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demonstration test     
相关语句
  验证试验
     The evaluating result of the demonstration plans shows that the theory of accelerated demonstration test is correct, the method is feasible and the plan is reasonable.
     对试验方案的模拟评价结果表明 ,所提出的加速验证试验理论正确、方法可行、方案合理
短句来源
     First, briefly stated the developed history of reliability research and current situation at home and abroad, the reliability test method and the developing trend of reliability demonstration test, the statistical analysis method, the developing history and current situation of demonstration theory, the current situation and existing problems of electrical connectors reliability researched.
     首先,回顾和评述了国内外可靠性研究的发展历史和现状,可靠性试验的方法和可靠性验证试验的发展趋势,可靠性统计分析方法和验证理论的发展历史与现状,以及航天电连接器可靠性研究的现状和存在的问题。
短句来源
     The sequentially censored statistical testing Scheme of success ratio, of which the deducing process is based on probability ratio or likelihood ratio, is commonly used in reliability demonstration test.
     成功率序贯截尾统计试验方案是可靠性验证试验中的一种常用方案,其理论推导过程基于“概率比”或“似然比”。
短句来源
     The Bayes method, the historic testing data and the informations provided by industral (techniques) are employed to make testing plans for bayesian demonstration test of failure ratio λ,in (order) to reduce the amount of test work.
     采用Bayes方法,利用历史试验数据及工程技术经验所提供的先验信息,制定失效率λ的Bayes验证试验抽样方案,以达到减少试验工作量的目的。
短句来源
     Eventually, gave a conclusion to research content of entire dissertation, proposed the directions of electrical connectors reliability demonstration test, and the way of how to improve the inherent reliability level of electrical connectors.
     最后,本章对全文的研究内容进行了总结,并提出了电连接器可靠性验证试验发展的方向和提高电连接器固有可靠性的方法。
短句来源
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  实证检验
     Demonstration Test and Potential Analysis on Trade gravitation model of Northeast Asia countries
     东北亚国家贸易引力模型实证检验及潜力分析
短句来源
     The Real Interest Rate Gap Model and Demonstration Test in China
     中国实际利率缺口模型与实证检验
短句来源
     The Money Policy Rule and Demonstration Test in China
     中国货币政策规则与实证检验
短句来源
     The authors use the stochastic frontier analysis technique to review the technical efficiency of the appliance-wiring listed companies, and then have a demonstration test and analyse on the influence of the technique efficiency of the corporations with respect to the largest shareholder.
     本文运用随机前沿分析技术对我国家电行业上市公司的技术效率状况进行了考察,并且就第一大股东持股比例及其所有权性质对上市公司技术效率的影响进行了实证检验及分析。
短句来源
  示范性试验
     The comparison test results reveal that with hydrogen-gasoline hybrid as its fuel, an gasoline engine may save gasoline by more than 30% and its thermal efficiency increases by more than 10%. Moreover, in its exhaust gases, the CO level decreases by 70% and the contents of HC and NOx also reduce. A demonstration test of a bus was carried out.
     以燃料箱作为氢源对汽油机进行台架对比试验,结果表明:氢-汽油混合燃料发动机可节省汽油30%,发动机相对热效率提高10%以上,发动机排出的CO含量减少70%以上,HC、NOx含量也降低:以燃料箱作为供氢系统进行了氢-汽油混合燃料车道路示范性试验
短句来源
  试验验证
     With response surface analysis,the predicted maximum enzyme activity was 549.65 U/ml at the condition of 19.8 g/L maltose concentration,18.2 h culture time and 0.2 ml inoculate. The demonstration test showed that the enzyme activity were 529 and 544 U/ml,which means this model could predict precisely.
     利用响应面分析法预测了当麦芽糖浓度为19.8 g/L,培养时间为18.2 h,接种量为0.2 ml时酶活达最大,为549.65 U/ml,通过试验验证,实际酶活分别为529、544 U/ml,该模型有较好的预测性。
短句来源
     Through the analysis and the demonstration test & field experiment, it was found that the theoretical design results are in good agreement with the practical machine.
     通过对该机构的理论分析 ,并通过台架及田间试验验证 ,达到理论与实际机型的统一。
短句来源

 

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  demonstration test
The product was used as a substitute for chemical surfactants in a clean-up demonstration test carried out by Cargo Fleet Chemical Company Ltd.
      
Demonstration test of AgX-10 adsorbent using radioactive methyl iodide tracer was performed.
      
The probability generating function of number of trials for the start-up demonstration test with rejection upon d failures is derived.
      
The joint probability generating function of some random variables appearing in the Markov dependence model of the start-up demonstration test with corrective actions is derived by the method of probability generating function.
      
A general probability model for a start-up demonstration test is studied.
      
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RB-9 is a strain of R. japonicum that was isolated in 1978 from 0.3mm nodules on the taproots of P 77-78-0 which was a soybean strain of high photosynthetic efficiency.RB-9 was selected by means of liquid cultures, pot cultures, field experiments, demonstration tests and extension on large area in compa- rison with other fine R. japonicum strains, for example, B15 selected from the North East of China and A110, 61A76 introduced from USA since 1978 to 1984. Its popularized area has reached 6667 hectare...

RB-9 is a strain of R. japonicum that was isolated in 1978 from 0.3mm nodules on the taproots of P 77-78-0 which was a soybean strain of high photosynthetic efficiency.RB-9 was selected by means of liquid cultures, pot cultures, field experiments, demonstration tests and extension on large area in compa- rison with other fine R. japonicum strains, for example, B15 selected from the North East of China and A110, 61A76 introduced from USA since 1978 to 1984. Its popularized area has reached 6667 hectare up to 1985. The physiological and biochemical characteristics were similar to other slow-growing R. japonicum reported. But its growth rate on midium in vitro was faster than that of B15 or A110 and 61A76.The results from experiments in different regions of Heilongjiang province showed that the net rate of recovery inoculated with RB-9 reached from 28.1% to 38.1%.As compared with B15, the results from experiments inoculated with RB-9 demonstrated that: the nodules on the soybean roots were not only produced earlier but also the vitality last longer;there were more and bigger nodules on the roots; the activity of nitrogenase in soybean nodules was also higher. The amount of nitrogen fixation per plant of soybean inoculated with RB-9 was increased 179.8% and 41.0% than uninoculated an3 inoculated with B15, respectively. Protein content of soybean seed and alkaline hydrolysis nitrogen content in the soil inoculated with RB-9 were increased than those of uninoculated.The results from plot experiments in 1981 and large area intermediate experiments in 29 regions and/or times in 1982 and 1983 showed that the soybean seed yield inoculated with RB-9 was increased 15.8% (increased 428.2 kg/ha.)and 16.3% (281.2 kg/ha.) than that of uninoculated, and increased 10.7% (275.2 kg/ha.) and 9.5% (174.7 kg/ha.) than that of inoculated with B15, respectively.

R_(B-9),是选自高光效大豆材料P77-78-0的0.3毫米主根根瘤,经与B_(15)、61A76等相比较地进行水培初选和复选、盆栽和田间的接种试验,以及较大面积的中间试验和大面积示范推广,而选育出来的高效菌种。R_(B-9)经生化鉴定,证明是典型的大豆根瘤菌。R_(B-9)在试管培养基上,其生长速度比B_(15)及A110、61A76等快一天左右,但其余生化特性与已报导的其它慢生型大豆根瘤菌相类似。在黑龙江省不同土区测定结果,R_(B-9)接种的净回收率为28.1—38.1%。R_(B-9)接种的大豆不仅结瘤早,根瘤衰败晚,而且比接种B_(15)的根瘤多而大,其固氮酶活性也强。单株固氮量比接种B_(15)的及未接种的分别增加41%和179.8%。R_(B-9)接种还可提高大豆蛋白质含量和土壤碱解性氮含量。 1981年的小区试验和1982、1983两年29个点次中间试验结果,其效果分别比对照增产15.8%和16.3%,比接种B_(15)的增产10%和9.5%。

By orthogonal test, it is found that the best ratio of sodium acetate, sodium hydroxide and calcium oxide for making methane is 3: (5~6): 1. The reaction rate and purity of methane are high enough for demonstration test. The imprity in methane such as ethylene and acetone can be washed out by concentrated sulphuric acid.

通过正交试验,发现在用无水醋酸钠热解脱螗制取甲烷时,增加碱石灰中氢氧化钠含量、减少氧化钙的含量,可以提高甲烷的纯度和产率。无水醋酸钠、氢氧化钠和氧化钙的最佳质量比为3:(5~6):1,所得甲烷的纯度和产气速度可以满足教学实验的要求。不纯甲烷经浓硫酸洗气后,可以排除副产物对甲烷性质试验的干扰。

The demonstration test to make methane in the textbook now used in the senior middle schools in our country has low-rate results and gets too little methane to meet the needs of the test. Having improved the equipment and researched the elements of the test, such as the temperature, the proportion and quantity of different chemicals, we can quickly get plenty of methane.

本文对教材中的甲烷制取演示实验,从改进装置着手,对温度、药品的配比及用量进行了研究,取得了较好的效果,可快速、大量地制取甲烷。

 
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