The ageing of rigid polyvinyl chloride (R-PVC) aggravated by nitric and sulfuric acids was studied by IR, UV Spectroscopy, thermo-analysis and molecular weight determination.
用红外与紫外光谱法、热分析和分子量测定研究了硬聚氯乙烯在硝酸和硫酸中的老化。
Somewhat sceptical of his son's newfound determination to become Charles Atlas, the father nevertheless followed the teenager over to the weight-lifting department, admiring a set of weights.
儿子最近决心要成为CharlesAtlas，对于这个决定，父亲多少有点怀疑，不过他还是陪着儿子去了举重器材商店，在那里他们看上了一套举重器材。
To avoid the excessive subjectivity influenced by the conventional determination methods of weight factor, the rough set was introduced to the solution of the weight factor in the extenics evaluation.
为了避免传统的权值确定方法所带来的主观性影响，将粗糙集理论引入可拓权重系数的求解过程中，使权系数问题转化为属性重要度评价问题。
It serves as relevant reference to the choice of indices for evaluation, determination of weight, trade-off among different indicators, and use of appraisal method as well.
在业绩评价指标的选择标准及权重确定、不同类型指标的权衡和业绩评价方法的使用等方面，代理理论都提供了可以参考、借鉴和运用的结果。
The indicator for evaluation of dam behavior and corresponding method for determination are proposed. The weight matrix of the state indicator and safety indicator is established.
给出了土石坝实测性态评价指标、评价状态及安全指标综合权重矩阵的概念和相应确定方法。
The determination of purity of copper -phthalocyanine is discussed brie fly. The volumetric and weight operation procedures are introduced. Two methods are compared and discussed.
简要论述了铜酞菁纯度的测定；介绍了容量法和重量法的操作过程，并对其进行了对比和探讨。
Compared with weight method and volume method, determination of the contents of strontium oxide in Bluestone using AAS was more simple and accurate, and few factor disturbed the method.
与重量法及容量法相比，采用火焰原子吸收分光光度法(AAS)测定天青石样品中的氧化锶含量，方法简单准确，干扰因素少。
A method for rapid determination of molecular weight of lysozyme from chiken egg white by matrix-assisted laser desorption ionization mass spectrometry was represented in this paper.
本文介绍了一种用基本辅助激光解吸电离质谱法快速测定蛋清中溶菌酶相对分子质量的方法。
A model of a comprehensive evaluation of USAR team ability is further established with mathematical method, which emphasizes on the determination of the weight of each index in the index system.
在此基础上，运用数学方法建立了综合评价模型，重点在于确定评价模型中各指标的权重。
The selection of underground mining methods requires an exact determination of weight coefficients of various influent factors and the existing selection methods haven't solved the problem.
地下采矿方法的选择需要能准确给出各影响因素的权重系数，目前的选择方法未能很好地解决该问题。
Detailed here are the choice of multielement comparison norm, the Lin - ear combination of comparison norms and the determination of norm weight coefficients.
文中对多元素对比指标的选取原则、对比指标的线性组合及各指标权系教的确定作了详尽的叙述。
Determination of blasting scheme, selection of blasting parameters, calculation of charge weight, priming network, safety precautions and others were presented in this paper.
文中介绍了爆破方案确定、爆破参数选择、装药量计算、起爆网络及安全措施等。
Acetic acid lignin (al) from acetic acid pulping was isolated and purified. Chemical structure and molecular weight of al were studied with infrared spectroscopy and GPC determination.
对来自乙酸法制浆废液的木质素进行了提取和纯制，并采用红外光谱和GPC研究了乙酸木质素的结构和分子质量。
The establishment of the gel permeation chromatography method for the the determination of molecular weight of high boiling petroleum was described in detail .
综述了凝胶渗透色谱法在重质油测定中的应用，并采用两支高效聚合物凝胶色谱柱代替传统的硅胶柱建立了分子量和馏程的评价系统。
We detected body weight and studied the behavioral determination by using method of calculation the preference of 1%sucrose, forced swimming test and step through test.
通过体重测试、蔗糖水偏好百分比、强迫游泳试验、避暗试验等方法观察动物的行为学改变。
Part 3 proposed impact factors of island and tourism, and analyses factors by fuzzily integrated analysis, also fixes determination of weight coefficients.
第三部分，提出海岛与旅游的相互影响因子，用模糊综合分析评价法对影响因子进行分析，并确定其权重；
Part 3 proposed impact factors of island and tourism, and analyses factors by fuzzily integrated analysis, also fixes determination of weight coefficients.
第三部分，提出海岛与旅游的相互影响因子，用模糊综合分析评价法对影响因子进行分析，并确定其权重；
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