二-十进制

Experimental solubilities of terephthalic acid dissolved in N,N-dimethyl propionamide, N,N-diethyl propionamide and N,N-diethyl acetamide were determined in the temperature range of

测定了303.2~363.2K温度范围内，对苯二甲酸在N，N-二甲基丙酰胺、N，N-二乙基丙酰胺和N，N-二乙基乙酰胺中的溶解度。

The production methods of glutaraldehyde,including those of addition reaction of acraldehyde , oxidation of 1,5-pentadiol,reduction of glutaryl chloride and oxidation of cyclopentene,are summarized.

综述了丙烯醛加成、 1，5 -戊二醇氧化、戊二酰氯还原和环戊烯氧化等戊二醛的合成路线和制备方法，考察了目前戊二醛的生产厂家及其在皮革鞣剂、油田注水杀菌剂和医药杀菌等领域的应用市

Effect of ratio of dimethylol propionic acid to polybutylene adipate glycol on Tg and basic properties of films was studied.

考察了二羟甲基丙酸/聚己二酸丁二醇酯二醇比例对Tg以及膜基本性能的影响。

To authors' knowledge, dimethyl adipate, diisobutyl succinate and benthothiazole have never been reported in previous herbivore insect-plant systems.

己二酸二甲酯、丁二酸二异丁酯、苯骈噻唑在以前的昆虫-草本植物系统中未见报道。

The studies segmented polyester polyurethaneurea elastomers based on 4,4'-diphenylmethane diisocyanate, ethylene diamine and polybutylene adipate (M. W. 1975 and M. W. 1228) were studied by means of IR spectrascopy.

用红外光谱法对基於4，4'-二苯基甲烷二异氰酸酯、乙二胺和聚己二酸丁二醇酯（分子量分别为1975和1228）的嵌段聚脲氨酯弹性体进行了研究。

B., aluminum oxide (Al2O3), cupric 2, 4-dihydroxy-benzoate ,cupric adipate and lead phthaiate were used as inert materials.

三氧化二铝(A12O3)、2， 4-二羟基苯甲酸铜、己二酸铜和邻苯二甲酸铅等惰性材料的相容性。

Hydrogen bonding in hard segment domains of segmented polyester polyurethaneurea based on 4,4'-diphenylmethane diisocyanate, ethylene diamine and polybutylene adipate(M. W. 1975 and M. W. 1228) was studied by means of IR spectroscopy.

用红外光谱法对基於4，4'-二苯基甲烷二异氰酸酯、乙二胺和聚己二酸丁二醇酯（分子量分别为1975和1228）的两系列嵌段聚酯型聚脲氨酯硬段微区中的氢键化进行了研究。

A series of polyurethane anionomers were synthesized from isophorone diisocyanate, polyneopentanediol adipate and dimethanol propionic acid.

用异佛尔酮二异氰酸酯、聚己二酸新戊二醇酯和二羟甲基丙酸合成了负离子型聚氨酯离聚体。

The blast power of TBE was higher due to the enhancement of afterburning to shock wave. The percentage of total energy released in explosive reaction of TBE was about 42% as analysis, which indicated that it had potential to be improved. A modified thermobaric explosive containing chemically active material was studied by experiment.

对含化学活性材料温压药剂M-TBE的实验表明：其冲击波曲线有两个规律的正压作用区；二次冲击波在火球区外形成，火球区内是后续燃烧反应对爆炸波增强而引起的压缩波积累压力平台；二次冲击波峰值压力不小于第一个冲击波的40%，二次冲量占总冲量的12.5%~43.7%，其对爆炸/冲击波威力的贡献不可忽略；化学活性材料对温压药剂的后续燃烧反应有增强作用，有利于二次冲击波的形成和传播。

A C++ program is developed for composing the stiffness matrix of the temperature field, saving it in changing bandwidth method and calculating the linear algebraic function group through using the Gauss eliminating method. A module for drawing the color fringe of tire temperature field is created, which makes the result more visual. Taking the 9.00-20 cross-ply tire on CA1092 as an example, the finite element numerical simulation analysis of automobile tire 2-D steady temperature field is completed. Through comparing the result with the analysis data by ANSYS, this software is proved to be capable of the modeling, calculating and post-processing of FEA of automobile tire 2-D steady temperature field.

采用C++语言完成了温度刚度矩阵的总体合成及其一维变带宽存贮，以及线性代数方程组高斯消去法求解等工作，采用C++语言实现了汽车轮胎二维稳态温度场云纹图的绘制，使得计算结果更加直观，也更能形象地显示汽车轮胎二维稳态温度场的分布状况，以CA1092（原CA142）五吨载货汽车用9.00-20尼龙斜交胎为例，进行了汽车轮胎二维稳态温度场有限元数值仿真分析，通过与ANSYS分析结果进行比较，说明所开发的有限元建模、求解以及后处理软件能够用于汽车轮胎二维稳态温度场有限元分析。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。