Abstract:近几年，我们开展了LD10cs 铝合金貯箱表面裂纹弹塑性断裂课题的实验研究。为了得到满意的实验结果，在测试技术上做了一些探讨。本文着重介绍两个实验技术：1.采用夹具代替粘接刀口，配合弓形位移传感器自动绘制P-V 曲线，不但结构简单、使用方便；更为可取的是，由于标距的缩小，提高了 P-V 曲钱的质量。 2.具有很深表面裂纹的貯箱，受载时，容器往往产生先“泄漏”后“断裂”的情况。因此，准确地测定泄漏载荷并研究泄漏发生的条件，是很重要的。在国外对平板试件有的采用压力密封罩的方法测定泄漏载荷，其测试方法较为复杂，在实际结构上应用也是比较困难的。我们将电阻丝片作为敏感元件，配合简单的开关线路测定泄漏载荷，较好地解决了这个问题。 我们认为，上述两个实验技术，对于其它金属薄板也适用，具有参考价值。

Abstract:The spall phenomena induced by intense laser radiation pulse in aluminum target have been calculated with the elastic-plastic model and the hydrodynamic mode1. The results are compared. For the elastic-plastic model the ca1culation is performed by using different fracture criterions，and the effects of them on the results are also compared. In this paper the thresholds of thickness at which the spa1ling is just prevented are obtained in the case when the laser power density and the wave shape are fixed.

Abstract:In this paper，the Monte-Carlo method was used to calculate the intranuclear cascade process induced in the heavy nuclei (U²³⁸) under the bombardment of the high-energy (235MeV) incident protons.

Abstract:Simulation calculation were performed by using a more realistic nuclear model (a Fermi-type distribution of the nucleon density).In the calculations，a broken line was used for approximate treatment instead of the curve trajectory of the particle motion，the refraction and ref1ection of the particles at the nuc1ear surface also were considered. The free nuc1eon cross section were used in determining the collisions within the nucleus，and the statistical sampling techniques were used throughout. The energy level of the incident particles was restricted to the limit below 350Mev，i.e. ，the energy range in which pion can't be likely produced. The elementary calculative results were compared with experimental data.

Abstract:In this paper，author estimated the spreading of charged or unchanged partic1e beam in vacuum; discussed the effects inf1uencing the spread; and showed which the beam model can be selected.

Abstract:In this paper the steady transmission of charged partical beam in vacuum was discussed. One calculating method was developed for radial spreading of the beam. According to the results of numerical calculation，the proximate formula of estimating radius of the beam was developed.

Abstract:A New Attitude stability criteria for Dual spin Satellite is developed in this paper. The argument of this Criteria is based on a concept of Semirigid which has no moving parts but dissipates energy and also by means of Lyapunov method about system stability. Then this conclnsion is compared with conclnsions from a discrebe parameter approach and an energy sink approach developed by Iorillo，Landon and Likins^[l]-[4].

Abstract:This paper emphatically relates the principle of ion-plating tin-indium Oxide thin film，the primal specifications and the relationship between them，as well as the selection and the control of the optimum specifications. And then experimental results of the reactive ion-plating tin-indium oxide are introduced.

Abstract:A new technology of microwave integrated circuits made from the metal system FeCrAl-Cu-Cu-Au is presented. The experimental investigation showed that the metal system exhibits a lot of excellent physical properties. Microwave integreted circuits produced from this metal system are not only hígh-grade in quality，but also quite low in cost.

Abstract:This paper deals with a cone heat-insulating coating of the meteorological rocket. On the basis. of the consideration for the environment conditions necessary and possible for the rocket cone，the following articles have been completed: Calculation of the temperature load for the materials in flight environments，selection of material of which the coating is composed and methods of shaping. The optimum thickness of the coating is determined by the simnlation experiments on the ground. Finally，the practical applicability of the heat-insulating coating is proved through the flight test.

Abstract:This paper describes a method of the model recogniztion for the attitude angles of a ship，also a method of the parametric estimation and prediction. The method of the parametric estimation given in this paper is straightforward and easy to use in real time. The prediction method presented here can predict the. speed and acceleration of attitude augles of a ship. Moreover，the paper also presented a method of model stationary vector stochastic series with given correlation matrix on the basis of a triamgular decomposition of the block Toeplith matríx. The method described in the paper needs less storage capacity of a computer.

Abstract:On the basis of the necessary and sufficient condition of compactness that any net has a c1uster point，this article has given a new proof of classical Tychonoff theorem.

Abstract:This paper gives out another proof for Tychonoff Theorem. In proof，we based on Zorn's lemma，make use of that any net there is a cluster point，that is one of the equivalent propesitions of compact space，First，we lead in a concept of univesal net，and give out an example for it. Then，we proved a few properties of universal net (That is lemma 1，2，3, 4,). At the end，we proved Tychonoff Theorem，a famous theorem in general topology.