The authors discuss the new method of synthesizing dispersion-strengthened compositions (pseudoallys), p heterogeneous structures synthesized from nonalloying components, where the dispersion phases serve as the component which regulates and optimizes the properties of the matrix medium. Damping of dislocations by dispersion particles of such components is discussed and equations are given. Author (GRA) N72-10488# Naval Air Development Center, Johnsville, Pa. Aero Materials Div. CORROSION INHIBITING PRIMERS FOR ALUMINUM ALLOYS A. I. Falkowitz 30 Jun. 1971 19 p (Project WF51-543-202) (AD-727694; NADC-MA-7106) Avail: NTIS CSCL 11/3 The purpose of this investigation was to develop an epoxy primer which would be superior to the MIL-P-23377B epoxy primer for protecting aluminum against corrosion. Epoxy primers which contain high amounts of leachable chromate pigments (SrCrO4, or SrCrO4 & Ca CrO4) were found to afford better corrosion protection for aluminum than the specification epoxy primer. However, the former tend to blister more in water than the specification primer when topcoated with either the MIL-C-22750 epoxy or the MIL-C-81773(AS) polyurethane topcoats. Epoxy primers made with a high pigment content of zinc chromate pigment gave the best corrosion protection for aluminum. However, these primers, when topcoated with either epoxy or polyurethane and dried for several days at about 75F and 75% RH, tend to fail intercoat adhesion in the wet tape test. Author (GRA) N72-10489# Naval Air Development Center, Johnsville, Pa. Aero Materials Div. DEVELOPMENT OF A STRESS CRACK RESISTANT URETHANE SEALANT FOR HEATED AREAS OF AIRCRAFT SURFACES A. Stander Jul. 1971 15 prefs (Project WF51.543.202) (AD-727592; NADC-MA-7139) Avail: NTIS CSCL 11/1 A sprayable urethane sealant, AMD-P-28A was developed for protection of exterior fastener areas. This sealant in laboratory testing does not crack around fastener heads during -60F cyclic fatigue loading (1,000-11.000 lbs.) even after a heating of 20 hours at 260F plus one hour at 325F, which simulates the frictional heating of F14A aircraft during a single PAR cycle. Author (GRA) N72-10490# Army Foreign Science and Technology Center, Charlottesville, Va. NON-METALLIC PROTECTIVE COVERINGS V. M. Pokrovskii 30 Jul. 1971 78 p refs Transl. into ENGLISH of the publ. "Nemetallicheskiye Zaschitnyye Pokrytiya" Kiev, Budivelnik, 1969 p 2-107 (Project T702301-2301) (AD-727684; FSTC-HT-23-651-71; ACSI-J-9740) Avail: NTIS CSCL 11/3 The report summarizes the experiences gained in organizing an implementing quality control of non-metallic protective coverings as practiced in the construction of facilities within the metallurgical, chemical, mining, machine construction, light and food processing industries. A detailed description is offered of the methods used in determining the qualitative indexes of protective coverings. Special attention is directed to defects found in lacquer, rubberized, ceramic and polymer coverings, as well as to the methods used in eliminating them. Consideration is given to problems dealing with the improvements of quality of coverings and in perfecting quality production controls. As a practical manual it is intended for the use of engineer and technician personnel who are involved in the handling and use of protective coverings, as well as for foremen, specialists, and engineers directly involved in this work. Author (GRA) N72-10491# Army Foreign Science and Technology Center, Charlottesville, Va. HARDENING OF UNSATURATED POLYESTER RESINS UNDER THE INFLUENCE OF CUMENE HYDROPEROXIDE [OTVERZHEDENIYE NENASYSCHENNYKH POLIETIRNYKH SMOL POD DEYSTVIYEM GIDROPEREKISI DUMOLA] I. M. Alshits and N. M. Grad 30 Jul. 1971 12 p refs Transl. into ENGLISH from Vysokomolekul. Soedin. (Moscow), v. 11, no. 12, 1969 (Project T702301-2301) (AD-727499; FSTC-HT-23-679-71; AUSI-J-9847) Avail: NTIS CSCL 11/9 Results of a comparative study are presented on the properties of copolymers of polyethylene glycol maleate adipate with styrene, hardened by two initiator systems. Author (GRA) N72-10492# Air Force Systems Command, Wright-Patterson AFB, Ohio. Foreign Technology Div. REDUCTION IN THE GAS PERMEABILITY OF PLASMA COATINGS L. N. Usov, A. I. Borisenko, I. M. Grogoreva, and E. M. Trusova 1 Mar. 1971 12 P refs Transl. into ENGLISH from Proceedings of 4th All-Union Conf. on Fire-Proof Coatings, Leningrad, 27-31 Mar. 1968 (AF Proj. 1426) (AD-727906; FTD-MT-24-348-70) Avail: NTIS CSCL 11/3 The article deals with means of reducing the gas permeability of sprayed coatings. A couple of methods of obtaining gas permeable coatings included in this article are: treating a sprayed coating with an agglomeration activator and saturating it with organic compounds or glass that polymerize or fuse: introducing into the basic composition components that form hard bondings and generate considerable amounts of heat, and glasslike components having a characteristic interval of ductility during cooling. Author (GRA) N72-10493# Air Force Systems Command, Wright-Patterson AFB, Ohio. Foreign Technology Div. INVESTIGATION OF THE EFFICIENCY OF THE VNIL NP-213 SOLID LUBRICATING COATING G. V. Kurilov, L. N. Sentyurikhina, I. M. Lyubarskiy, and V. F. Udovenko 27 Jan. 1971 14 p refs Transl. into ENGLISH from Khim. i Tekhnol. Topliv i Masel (Moscow), v. 15, no. 3, 1970 p 49-53 (FTD Proj. 7343) (AD-724975; FTD-MT-24-278-70; UR/0065-70-015-003) Avail: NTIS CSCL 11/8 The report gives experimental investigations of the service life and friction coefficient of a solid lubricating coating (not further specified), but appearing to contain molybdenum disulfide and silicon as a function of the load, sliding rate and vacuum level. Tests were performed with a film (20 microns) deposited on the surfaces of a sliding contact at a pressure of 2 atm. The efficiency of the coating at high-temperatures in air was also studied. It was found that the friction coefficient decreases with increasing load both in dry and humid air and in vacuum. At high sliding rates and high loads, the temperature and friction coefficient increase and the service life decreases. In vacuum, the service life is 4 to 6 hr at a relative humidity of 50 to 70 percent and 13 to 14 hr in dry air. Author (GRA) N72-10494# Air Force Systems Command, Wright-Patterson AFB, Ohio. Foreign Technology Div. SYNTHESIS AND STUDY OF A SULFUR- AND PHOSPHORUS-CONTAINING MULTIPURPOSE POLYMER ADDITIVE FOR LUBRICATING OILS A. M. Kuliev, A. M. Levshina, L. Ya. Vedeneeva, V. M. Farzaliev, F. G. Suleimanova, I. I. Namazov, and Sh. A. Mkhitaryan 15 Jan. 1971 8 p refs Transl. into ENGLISH from Prisadki K. Smaz. Maslam (USSR), no. 2, 1969 p 15-17 (AF Proj. 7343) (AD-724983; FTD-HT-23-769-70; UR/0652-69-000-002) Avail: NTIS CSCL 11/8 A polyfunctional polymeric additive was prepared by neutralizing a mixture of an alkylphenol and the reaction product of an isobutylene-styrene copolymer and phosphorus pentasulfide with magnesium oxide in the presence of water and methyl alcohol with carbon dioxide. The additive was a light-brown viscous product, soluble in oils and exhibited good detergent, anticorrosive, and antioxidative properties. Author (GRA) N72-10495# Air Force Systems Command, Wright-Patterson AFB, Ohio. Foreign Technology Div. SYNTHESIS AND TESTING OF PHOSPHORIC ACID ESTERS OBTAINED ON A BASE OF CYCLOHEXANOL DERIVATIVES I. M. Orudzheva and Sh. M. Novruzov 15 Jan. 1971 9 p ref Transl. into ENGLISH from Prisadki k Smaz. Maslam (USSR), no. 2, 1969 p 34-37 (AF Proj. 7343) (AD-724984; FTD-HT-23-770-70; UR/0652-69-000-002) Avail: NTIS CSCL 11/8 Five phosphoric acid esters were synthesized on the basis of cyclohexanol derivatives; analysis results show that the elemental composition of these esters is close to the calculated theoretical level. Preliminary studies of the synthesized compounds showed that they are effective in improving the stability, thermal stability, and anticorrosion properties of oil D-11. Author (GRA) N72-10496# Naval Air Development Center, Johnsville, Pa. (AD-725155; NADC-MA-7126) Avail: NTIS CSCL 11/3 The work was concerned with attempts to optimize the formulations of Narpol thermally stable aircraft coatings. Narpol is a partially fluorinated polyphenyl ester polymer. The Narpol coatings exhibit most of the requisite qualities of a high temperature (500F) resistant aircraft coating system except for sufficient adhesion to aircraft metals. The report covers the further evaluation of the most promising aluminum hydroxide pigmented primer along with other attempts to upgrade the adhesion of the Narpol coating system by changes in the pigmentation. Variations in pigmentation of the Narpol primer has not resulted in any improvement in the adhesion of the Narpol coating system. However, the use of camouflage topcoats instead of gloss, combined with a bake cycle improve the adhesion of the Narpol coating system. Author (GRA) N72-10497# Air Force Systems Command, Wright-Patterson AFB, Ohio. Materials Lab. THE INFLUENCE OF STACKING SEQUENCE ON LAMINATE STRENGTH Technical Report, Sep. - Nov. 1970 N. J. Pagano and R. Byron Pipes (Gen. Dyn./Convair) Mar. 1971 22 p refs (AF Proj. 7340) (AD-725753; AFML-TR-71-8) Avail: NTIS CSCL 11/4 Based upon considerations relating to the nature of the interlaminar stresses in composite laminates, an approach is presented to predict the detailed stacking sequence of specific layer orientations which leads to optimum protection against delamination under uniaxial static and fatigue loadings. In particular, it is argued that the interlaminar normal stress, as well as the interlaminar shear stress, is instrumental in precipitating delamination and subsequent strength degradation. Correlation with existing experimental evidence of the stacking sequence phenomenon is presented. Author (GRA) N72-10498 Temple Univ., Philadelphia, Pa. EXPERIMENTAL INVESTIGATION OF NEGATIVE RESISTANCE IN CADMIUM SELENIDE POWERS Ph.D. Thesis Lawrence J. Nicastro 1970 153 p Avail: Univ. Microfilms Order No. 70-19761 The negative resistance in CdSe powders has two significant features: (1) the threshold voltage is reduced by incident light; and (2) light is emitted from the material when it is highly conducting. From a thorough examination of various theories of negative resistance in insulators, it was determined that only the theory due to Dumke, and extended by Weiser, provides an explanation for the sensitivity of the threshold voltage to light, and for the emission of light when the material is highly conducting. Therefore, the experimental investigation was carried out to interpret negative resistance in CdSe in terms of the Dumke-Weiser theory. The experimental observations and the results are described. Dissert. Abstr. 19 MATHEMATICS Includes calculation methods and theory; and numerical analysis. For applications see specific categories. For related information see also: 08 Computers. N72-10499# University of Southern Calif., Los Angeles. Dept. of Aerospace Engineering. THE RICCATI EQUATION AND ITS BOUNDS (AD-727818; AFOSR-71-2067TR) Avail: NTIS CSCL 12/1 Improved a priori bounds are obtained for the Riccati equation. Further, the infinite lag error covariance for stationary problems is explicitly given in terms of the solutions of two Riccati equations. Author (GRA) N72-10500# Rocketdyne, Canoga Park, Calif. Nancy R. Mann, Kenneth W. Fertig, and Ernest M. Scheuer The report consists of two papers, both of which apply to two-parameter Weibull and extreme-value distributions. In the first paper, a new goodness-of-fit test for the two-parameter Weibull or extreme-value distribution with unknown parameters is developed. Its power with respect to analogues of four classical tests is investigated and tables are given for using the test with samples of size n, n = 3(1)25, censored at the m-th smallest observation, m = 3(1)n. The second paper gives tables of values for obtaining confidence and tolerance bounds from best linear invariant estimates of parameters of extreme-value distributions. The tables apply to censored sample of size n, n = 3(1)25. Author (GRA) N72-10501# Louisiana State Univ., Baton Rouge. Coll. of Engineering. SPECTRAL ANALYSIS OF TRANSIENT DATA WITH APPLICATION TO AUTO-PILOT PARAMETER STUDIES Raymond Speeg, G. D. Whitehouse, and A. J. McPhate May 1971 112 prefs (Contract F44620-68-C-0021; AF Proj. 7921; Proj. Themis) (AD-725068; THEMIS-LSU-T-TR-46; AFOSR-71-1797TR) Avail: NTIS CSCL 12/1 The objective of this work was to determine, through a frequency analysis approach, an appropriate range of values for the parameters which could be used to provide for an effective auto-pilot coupler transfer function. The power spectral density function for random data, describing the general frequency composition of the data in terms of the density of its mean square value was used in this analysis. Spectral plots of data generated by a digital simulation were compared to those of an actual flight test case used as a reference to determine when the THE EFFECTS OF A FINITE TIME-BANDWIDTH PRODUCT ON THE COMPUTATION OF THE VARIANCE OF THE MEAN OF A LOW-PASS STATIONARY RANDOM PROCESS Technical Report, Jan. - Jun. 1970 Walter A. Johnson 5 May 1971 34 p refs (Contract F04701-70-C-0059) (AD-725032; SAMSO-TR-71-101; TR-0059(6230-20)-1) Avail: NTIS CSCL 12/1 Expressions are derived for the variance of the mean and the variance of the difference of means for a low-pass stationary random process. The effects of a finite data time-bandwidth product are discussed. Author (GRA) N72-10503# Carnegie-Mellon Univ., Pittsburgh, Pa. Dept. of Mathematics. EQUIPARTITION OF ENERGY IN WAVE MOTION R. J. Duffin Nov. 1970 9 p refs Repr. from J. Mathematical Analysis Appl., v. 32, no. 2, Nov. 1970 p 386-391 (Grants DA-ARO(D)-31-124-71-G17; DA-ARO(D)-31-124-G951; DA Proj. 20061102B14C) (AD-725337; AROD-9300-4-M) Avail: NTIS CSCL 12/1 Of concern are solutions of the classical wave equation in three-dimensions. It is shown that if a solution has compact support then after a finite time the kinetic energy of the wave is constant and equals the potential energy. The proof employs the Paley-Wiener theorem of Fourier analysis. Author (GRA) N72-10504*# National Aeronautics and Space Administration. A CONTRACTING-INTERVAL PROGRAM FOR THE The concept of contracting-interval programs is applied to finding the eigenvalues of a matrix. The development is a three-step process in which (1) a program is developed for the reduction of a matrix to Hessenberg form, (2) a program is developed for the reduction of a Hessenberg matrix to colleague form, and (3) the characteristic polynomial with interval coefficients is readily obtained from the interval of colleague matrices. This interval polynomial is then factored into quadratic factors so that the eigenvalues may be obtained. To develop a contracting-interval program for factoring this polynomial with interval coefficients it is necessary to have an iteration method which converges even in the presence of controlled rounding errors. A theorem is stated giving sufficient conditions for the convergence of Newton's method when both the function and its Jacobian cannot be evaluated exactly but errors can be made proportional to the square of the norm of the difference between the previous two iterates. This theorem is applied to prove the convergence of the generalization of the Newton-Bairstow method that is used to obtain quadratic factors of the characteristic polynomial. Author variables subject to error. A class of estimators of the path is made available as grouped orthogonal least squares estimates. An asymptotic distribution theory for the various solutions, applications, and Monte Carlo results are discussed. The generalization of the tracking problem is also considered, using stochastic information. Dissert. Abstr. N72-10506 Columbia Univ., New York. Avail: Univ. Microfilms Order No. 70-18859 A point is chosen on a rod of uniform density in accordance with a given probability distribution. The rod is broken at the chosen point. One of the two resulting fragments is retained intact and the probability distribution is rescaled to fit the other fragment. In accordance with the rescaled probability distribution a point is then chosen on the latter fragment, which is broken there. Under the assumptions that the shorter of the two fragments is retained each time, that the breaking is performed each time independently, and that the probability distribution has a piecewise continuous density, a simple expression is found for the Mellin transform of the expected value of N(x) as well as asymptotic approximations for the expected value. Under the additional assumption that the probability distribution is uniform, an exact expression and better asymptotic expressions for the expected value are found. Dissert. Abstr. N72-10507 Purdue Univ., Lafayette, Ind. ON CERTAIN PRIORITY QUEUES Ph.D. Thesis Avail: Univ. Microfilms Order No. 70-18699 A queueing model is treated with two service units in tandem and a single server alternating between them. Two independent service units are also discussed with a single alternating between them. Two independent service units are also discussed with a single server serving alternatingly between them. The virtual waiting time process of an M/G/1 queue is examined with a priority rule based on the ranking of the service times. Applications of the different priority models are considered. Dissert. Abstr. N72-10508 California Univ., Berkeley. A STABILITY STUDY OF CONTINUOUS SYSTEMS UNDER Avail: Univ. Microfilms Order No. 70-17600 A modified Liapunov's direct approach was used to derive the asymptotic stability criteria for some continuous systems under parametric excitation. The motion of these systems is governed by partial differential equations with time dependent coefficients. The stability of the trivial solutions of these equations was investigated. Analysis was made in the framework of metric spaces and the stability theorems were established by making use of the properties of Rayleigh's quotient and compact operators. The use of functionals with time dependent coefficients has resulted in considerable improvement over the earlier work in this area. Applications of the derived criteria to some physically interesting systems, elastic and aeroelastic, are presented. These include columns, plates and panels in airstream. Specific examples are given for the case of harmonic excitation. Numerical results are compared to previously published criteria. Dissert. Abstr. N72-10509 Purdue Univ., Lafayette, Ind. A NUMERICAL FORMULATION OF GALERKIN'S METHOD Paul Robert Johansen 1970 131 p The application of Galerkin's method to nonlinear ordinary differential equations is reported. The differential equations considered arise either directly from mathematical models of real 1 dynamic systems or from hypothetical models whose real analogies can be clearly seen. Developed is a numerical approach to finding approximate solutions by Galerkin's method for a nonlinear vehicle dynamics problem. In the process of solving the two-point problem, a numerical algorithm is obtained; the algorithm is applied to the Galerkin integral directly, and therefore analytical integration of the weighted equation residuals and solution of specific algebraic equations are not required. The numerical formulation renders Galerkin's method systematic, and it extends the utility of the method. Dissert. Abstr. N72-10510 Purdue Univ., Lafayette, Ind. CONTRIBUTIONS TO THE THEORY OF QUEUES WITH Avail: Univ. Microfilms Order No. 70-18613 Semi-Markov arrivals and semi-Markov service times with single server, denoted by SM/SM/1, are considered under the queue discipline: first come, first served. The stability of the SM/SM/1 queue and a heavy traffic situation in a class of SM/SM/1 queues are discussed. The transient and asymptotic behavior of the waiting time process are treated using several techniques. Known results are extended to models with semi-Markovian structure. The SM/SM/infinity queue is studied. A storage model with semi-Markovian arrivals is presented. The content of the dam is analyzed. Dissert. Abstr. N72-10511 Stanford Univ., Calif. ON DISTRIBUTIONS AND MOMENTS OF SINGLE- Avail: Univ. Microfilms Order No. 70-18441 Two single equation estimators in a simultaneous system of linear stochastic equations - namely, limited information maximum likelihood (LIML) and two least squares (2SLS) are examined. Under the assumption that all predetermined variables are exogenous, three main results concerning the moments and distributions of the LIML and 2SLS estimators are given. For the general case of arbitrary number of endogenous variables included in the equation to be estimated, the two estimators are shown to be functions of non-central Wishart matrix. The LIML estimator is shown to be a right-hand characteristic vector corresponding to the smallest characteristics root. The 2SLS and LIML estimators are reduced to canonical form to set the stage for the derivation of the main results. As a byproduct of the reductions to canonical form, the exact functions of the original parameters of the model which affect the probability distributions of the OLS, 2SLS and LIML estimators are given. The exact probability distribution of the LIML estimator is deprived and the distribution function of the 2SLS estimator is approximated. Dissert. Abstr. N72-10512 Rensselaer Polytechnic Inst., Troy, N.Y. Frank George Bischoff 1970 353 p Avail: Univ. Microfilms Order No. 70-19931 The Monte Carlo method of solution was successfully used to calculate multiple scattering and resolution effects in double-differential cross section experiments. Monte Carlo was shown to be superior to conventional transport techniques as regards both accuracy and computing time. A Monte Carlo computer code MSC was developed which is of general usefulness in analyzing double-differential scattering measurements. This code represents a three-dimensional solution of the transport equation. Resolution effects are calculated in detail by including fully time dependence in the calculation and considering individually the various factors which contribute to the experimental resolution. MSC uses statistical weights to improve the convergence of the Monte Carlo method by forcing scattering collisions. The statistical estimation technique used allows every N72-10514*# National Aeronautics and Space Administration, Washington, D.C. FIVE HUNDRED BALLOONS FOR ONE SATELLITE [FIVE HUNDRED BALLOONS POUR UN SATELLITE] H. de Saint-Blanquat Nov. 1971 13 p Transl. into ENGLISH from Sci. Avenir, France, no. 296. Oct. 1971 p 816-821, 867,870 (NASA-TT-F-14023) Avail: NTIS CSCL 04B The launching of 500 balloons to work in conjunction with the Eole meteorological satellite gathering data on air currents, weather, and atmospheric conditions in Southern Hemisphere is discussed. The communication systems between the satellite and the balloons and between the satellite and ground control stations are described. Author N72-10515*# Sandia Corp., Albuquerque, N. Mex. Planetary Quarantine Applied Science Div. A STUDY OF THE EFFECTS OF RELATIVE HUMIDITY ON SMALL PARTICLE ADHESION TO SURFACES W. J. Whitfield and Tom David Oct. 1971 32 p Sponsored in part by AEC (NASA-Order W-12853) (NASA-CR-122849; SC-RR-71-0721) Avail: NTIS CSCL 04B Ambient dust ranging in size from less than one micron up to 140 microns was used as test particles. Relative humidities of 33% to 100% were used to condition test surfaces after loading with the test particles. A 20 psi nitrogen blowoff was used as the removal mechanism to test for particle adhesion. Particles were counted before and after blowoff to determine retention characteristics. Particle adhesion increased drastically as relative humidity increased above 50%. The greatest adhesion changes N72-10521# Atmospheric Sciences Lab., White Sands Missile Range, N.Mex. TURBULENCE MEASUREMENTS FROM A T-ARRAY OF METEOROLOGICAL SENSORS Manuel Armendariz, Laurence J. Rider, Gaylon S. Campbell, David Favier, and Juana Serna Fort Monmouth, N. J. ECOM Feb. 1971 887 p refs (AD-727665: ECOM-5362; OSD-1366) Avail: NTIS HC $9.00/MF $0.95 CSCL 04/1 An array of meteorological instruments is described along with the fundamental characteristics of the instrumentation. Processing of data obtained with this array which forms a configuration of a T is discussed. Turbulence data computed from fast-response wind and temperature sensors placed at heights of 1.5, 4.0. and 16.0 meters above a heterogeneous semiarid terrain are presented. Data from the system were digitally recorded on magnetic tape compatible with digital computers at a rate of one scan per second even though the system is capable of scanning at one, two, or four scans per second. Data blocks of 15 minutes were utilized to obtain means and standard deviations of wind components and temperature. eddy correlations, vertical fluxes of heat and momentum and a stability index z/L. More than 150 hours of data collected during the months of January through April 1970 in blocks of data of time intervals of 2 to 7 hours are presented. Author (GRA) N72-10522# National Oceanic and Atmospheric Administration, Rockville, Md. Weather Modification Div. TROPICAL CUMULUS CLOUD MODIFICATION PROJECT Final Environmental Impact Statement 6 Apr. 1971 20 p (PB-200694F) Avail: NTIS CSCL 13B A series of cloud seeding experiments over southern Florida is reported. The project utilized a massive seeding technique involving the controlled release of the order of one kilogram of silver iodide in each treated cloud through dropping pyrotechnic flares from aircraft. Computerized models of the cloud-environment system were used to establish the seedability of the clouds. The report concerns plans to conduct a further series of cloud seeding experiments during the late spring or early summer of 1971 and succeeding years as required. Author (GRA) N72-10523# Freie Univ., Berlin (West Germany). Inst. fuer Meteorologie und Geophysik. METEOROLOGICAL DATA. VOLUME 107, NO. 3: DAILY AND MONTHLY NORTHERN HEMISPHERE 30-MILLIBARSYNOPTIC WEATHER MAPS OF THE YEAR 1969. PART 3 Quarterly Status Report, Jul.-Sep. 1969 Dietrich Just, Barbara Kriester, Karin Labitzke, Renate Lenschow, Karin Petzoldt, Wolfgang Roeder, Richard Scherhag, and Karl Sieland 1970 116 p (Contract DAJA37-70-C-2330) (AD-727784; QTSR-3) Avail: NTIS CSCL 04/2 These tables contain daily height and temperature analysis of constant pressure levels for three months for the whole of the Northern Hemisphere, based on rawinsonde and in the upper stratosphere also on rocketsonde data and performed with the aid of a hydrostatic build-up method. The corresponding monthly mean maps, their variations and deviations are included as well as the mean grid point data, calculated from daily values. The stratospheric circulation of polar, middle, and tropical latitudes is described. Author (GRA) By means of a mathematical model of the jury decision making process, it is shown that large instabilities are inherent in the existing legal system when applied to recovery of damages alleged to arise from attempts to modify the weather. The decision making process is generally biased in favor of the defendant. If the model is applied to decisions made by a panel of experts, it shows improved stability. Another model develops decision rules for precipitation augmentation. It includes explicitly economic measures of risk. These affect precipitation augmentation by promoting changes in systems operation, coupled with small increments in precipitation (with small risk), in contrast to large increments with correspondingly large risk. A |