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of methods
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     Research on and Enforcement of Methods of Secure Operating Systems Development
     安全操作系统开发方法的研究与实施
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     Research of Methods to Extract Road Network from SAR Images and Update Spatial Data in GIS
     SAR图像中道路网络提取及GIS空间数据更新方法研究
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     The Research of Methods for IP over WDM System Optimal Design
     优化波分复用光网络系统设计的方法研究
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     On a Class of Methods for Solving Problems of Random Boundary Notches and/or Cracks
     关于任意边界缺口或裂纹群问题的一类解法(Ⅰ)解析方法
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     COMPARISON OF METHODS OF DETERMINING FRACTURE TOUGHNESS K_(1σ) OF CERAMIC MATERIALS
     陶瓷材料断裂韧性K_(IC)测试方法的对比及其影响因素的分析
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     INTERCOMPARISON OF METHODS FOR DETERMINING ~(239)Pu IN URINE
     尿中~(239)Pu 分析方法的比对
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     INTERCOMPARISON OF METHODS FOR DETERMINING ~(90)Sr AND ~(137)Cs IN PLANT SAMPLES
     芦苇和茶叶样品中锶-90和铯-137分析方法的比对
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     The Thermodynamics Analysis of Methods treating Electroplate Wastewater Containing Zine(Ⅱ) and Cyanogen Compounds
     含锌(Ⅱ)和氰化物的电镀废水处理的热力学分析
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     Selection of Methods for HIV Screening of Donors' Sera and Blood Products
     献血员血清和血液制品的HIV抗体检测及试验方法的优选
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     Discussion of Methods of Remote Sensing Analysis on Erosion Intensity in Hilly Loess Region of North Shaanxi Province
     陕北黄土丘陵地区土壤侵蚀强度遥感分析方法探讨
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     [Methods]
     【实验方法】
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     Methods
     二、方法
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  of methods
This class of methods includes the nonmonotone counterpart of modified Polak-Ribière method and modified Hestenes-Stiefel method as special cases.
      
The biosciences require the development of methods that allow a non-invasive and rapid investigation of biological systems.
      
Direction-dependence, or anisotropy, of spatial distribution patterns of vegetation is rarely explored due to neglect of this ecological phenomenon and the paucity of methods dealing with this issue.
      
Problems of great interest in the development of methods for solving the variational problem and problems in the theory of optimal trajectories are mentioned.
      
Comparison of methods for estimating the parameters of linear dynamic systems by measurements of short sections of transient pro
      
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Two methods for analyzing caisson-beams are introduced in this paper.One is the well-known method of redundant forces. The author has simplified this methed by using couples of redundant forces to set up a typical equation and pointing out the rule that the matrix of the coefficients of simultaneous linear equations which are organized from the expansion of that typical equation. This method can be easily solvd when the number of unknown redundant forces, or that of equations, is less than...

Two methods for analyzing caisson-beams are introduced in this paper.One is the well-known method of redundant forces. The author has simplified this methed by using couples of redundant forces to set up a typical equation and pointing out the rule that the matrix of the coefficients of simultaneous linear equations which are organized from the expansion of that typical equation. This method can be easily solvd when the number of unknown redundant forces, or that of equations, is less than 3 or 4; but it will be difficult when the number is more than that. In order to solve this difficulty the author suggests another kind of method of which the essential principle is mentioned in the following.Supposing that the distance between the beams is sufficiently short in comparing with their spans, we can set up a partial differential equation for its deffiection W, as we often do in the theory of elasticity. In this way we can solve it with its boundary conditions of simple supporting by sine series. From this we can easily get the formulas of bending moments, shears and twist moments of each beam by partially differentiating the function of deffiection. The result of the calculation proves that it quite agrees with the method of redundant forces when the distance between beams is no longer than 1/5 of their spans.There are some tables given in this raper for practical use.

本文介紹了計算井字梁的兩种方法。 第一种方法是按冗力送来計算的。本文利用了成对的未知力以建立冗力法的典型方程,指明了由典型方程所組成的联立方程中其系数排列的規律,从而簡化了建立方程的过程和減少錯誤的机会。冗力法仅在联立方程的数目不多于3至4时是相当方便的,若未知冗力过多,解算过程便異常繁重。为此,笔者提出了下述的第二种方法。 当梁的間距比梁的跨度为一較小的数值时,可应用彈性力学所常用的方法,建立一个关于井字梁撓度曲面的偏微分方程。以符合簡支边界条件的正弦级数求出撓度后,便可依微分关系求出各梁的弯矩、切力及扭矩。鈇摩辛柯在其著作中(見[3]§37)討論向異性板的弯曲时,亦曾附帶地提及本法的可能性。本文給出了全部計算公式及为实用的目的而制訂了各种数表。計算的結果表明当梁間距不大于跨度的1/5时,本法与冗力法的結果相差無几,而本法在应用上的簡便笑为任何方法所不及。

The utilization of fire occupies an important place in the development of mankind and in the history of the development of human society. It is a great progress made by humanity from its acquisition of the ability of using fire to its acquisition of the ability of making fire. With the development of history the methods of making fire and also gradually being improved and meking progress. This article deals briefly with the significance of fire for mankind and gives a short account of the origin of fire and...

The utilization of fire occupies an important place in the development of mankind and in the history of the development of human society. It is a great progress made by humanity from its acquisition of the ability of using fire to its acquisition of the ability of making fire. With the development of history the methods of making fire and also gradually being improved and meking progress. This article deals briefly with the significance of fire for mankind and gives a short account of the origin of fire and of several ancient Chinese inventions of methods of methods of fire-making.

火的利用在人类的发展和社会发展史上占有重要的地位。人类从会利用火到自己能取火是一 个很大的进步。随着历史发展,取火的方法也逐渐在革新,进步。本文系就火对于人类的意义, 火的起源和我国古代发明的几种取火方法加以简要叙述。

With a variety of methods, observations were made on the sedative, fatigue-relieving and temperature stress-combating effects of the aqueous extract of Panax ginseng, injected intraperitoneally into the white rat. The results obtained are as follows. Panax exhibited a highly significant (P<0.001) sedative effect on the spontaneous activity and also against the convulsion provoked by a number of central stimulants. The anti-fatigue action of Panax was shown by the fact that the treated animals displayed...

With a variety of methods, observations were made on the sedative, fatigue-relieving and temperature stress-combating effects of the aqueous extract of Panax ginseng, injected intraperitoneally into the white rat. The results obtained are as follows. Panax exhibited a highly significant (P<0.001) sedative effect on the spontaneous activity and also against the convulsion provoked by a number of central stimulants. The anti-fatigue action of Panax was shown by the fact that the treated animals displayed a greater endurance in swimming. This seemed to be related to the other observations, namely, that Panax decreased the oxygen consumption of the animal and prolonged its survival in low-pressure chamber. In addition, Panax strikingly raised the animal's ability to tolerate temperature stress. As this effect was abolished by the extirpation of the adrenals, it suggests that the Panax action involved the hypophysis-adrenal system.

用吉林人参水浸液給小白鼠腹腔注射,以各种实驗方法观察了人参的鎮靜、抗疲劳及抗温度刺激的作用。得出結果为:人参对小白鼠自发活动的鎮靜效应非常显著 (P<0.001),对士的宁、戊四唑等中樞兴奋药引起的惊厥也有显著性不等的拮抗效应。人参的抗疲劳作用表現在显著延长了小白鼠的游泳持續时間,其主要原因經直接测定系由于人参显著降低了氧耗量,故在缺氧条件下能相对延长动物的生命。人参又能提高小白鼠耐受高温、低温的能力(对低温比对高温更显著),但摘除腎上腺后則此效应消失。这暗示此項效应与垂体一腎上腺系統的应激反应有一定关系,但人参本身并不具有腎上腺皮质激素样作用。抑制小白鼠自发活动与提高小白鼠耐受低气压缺氧能力两方法,按其出現的稳定性与差异的显著性,适合于用作人参产品效价的檢定指标。

 
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