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This article introduces manufacturing methods of taurine by means of sodium hydroxyethyl sulfonate ammonolysis acidification .

研究了羟乙基磺酸钠氨解酸化法生产牛磺酸的工艺,对其中的高压氨解反应过程采用二次回归正交设计实验方法进行了优化。

By means of the moisture-absorption test in RH: 52% and the thermal stability test, it was dynamically demonstrated that the modification C is far more stable than the modifications A and B, and the amorphism is the least stable.

我们对国内外部分样品作了晶型、晶态的测定和稳定性加速试验,对各种结晶工艺所制得的样品作了稳定性优劣的判别,为提高产品质量提供了部分依据。

His voice was amplified by means of an amplifier.

他的声音通过扩音器扩大了。

Research on techniques for the synthesis of ACR impact modifier with core-shell structure;2. Preparation of polymer-tungsten-silica composite microspheres with multi-layer core-shell structures;3. Organosilicon-acrylate micro emulsion with core-shell structure was synthesized with OP-10,JFC and amyl alcohol nonionic compounded emulsifier by means of seeded emulsion polymerization.

运用种子乳液聚合工艺以OP-10/JFC/戊醇非离子复合乳化剂合成了具有核-壳结构的有机硅-丙烯酸酯微乳液,研究了复合乳化剂类型、丙烯酸酯单体、有机硅单体加入方式和含量、pH值、硫醇对微乳液聚合过程中稳定性和光泽度的影响,通过差示扫描量热仪和透射电镜对微乳液的结构进行了表征。

Organosilicon-acrylate micro emulsion with core-shell structure was synthesized with OP-10,JFC and amyl alcohol nonionic compounded emulsifier by means of seeded emulsion polymerization.

运用种子乳液聚合工艺以OP-10/JFC/戊醇非离子复合乳化剂合成了具有核-壳结构的有机硅-丙烯酸酯微乳液,研究了复合乳化剂类型、丙烯酸酯单体、有机硅单体加入方式和含量、pH值、硫醇对微乳液聚合过程中稳定性和光泽度的影响,通过差示扫描量热仪和透射电镜对微乳液的结构进行了表征。

A reciprocal FEM analogue method is brought forward, by means of taking into account the interaction of tunneling, the peripheral soil and underground utilities. And the calculating program, DLFEA-TPR, is developed to calculate the tunneling-induced deformation and stress of adjacent utilities.

考虑隧道开挖与周围土体以及地下管线的相互作用,提出了相应有限元模拟方法,开发了隧道施工引起邻近地下管线变形及应力的计算程序DLFEA—TPR。

The data were analyzed by means of analysis of variance.

统计学方法采用单因素方差分析。

The data was analyzed by means of paired t-test and analysis of variance.

试验数据采用配对t检验和方差分析进行统计学处理。

The analytic expression of optical rectification coefficient of this system is derived by means of density matrix approach and the iterative method.

用量子力学中密度矩阵算符理论导出了加偏置电场的双曲线量子阱中光整流系数的解析表达式。

By means of plane elastic complex variable method and the theory of boundary value problems for analytic function, the stress distribution of elastic body is given in closed forms.

本文研究集中力作用下带任意孔洞的各向同性半平面焊接问题,利用复变函数方法和解析函数边值问题的理论,给出了弹性体应力分布封闭形式的解。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。