查询词典 substitution method

By means of variable substitution, it is found that the differential equation of motion is a Bessel equation. Based on the equation, responses of elastic displacement, velocity, acceleration of skip and cable tension close to sheave were deduced.

通过变量代换，发现箕斗运动微分方程是可求解的Bessel方程，从而得到了装载过程中箕斗的弹性位移、速度、加速度和天轮处钢丝绳的张力的解析表达式。

The aspirated voiceless bilabial stop and the unaspirated voiceless bilabial stop are in the same position, and the substitution of the two sounds changes the meaning of the words, so we can be sure that the two sounds are separate phonemes.

在吸气无声双唇停止和不送气无声双唇停止在同一位置，替换两个声音变化一词的含义，所以我们可以肯定的是，两个声音是不同的音位。

Based on a bipartition of market and enterprise, these theories analyze the inter-substitution effect of enterprises and market, which ignore the different functions of enterprises and market and lead to incomplete understanding of enterprises quality.

现代企业理论由于过分强调交易费用标准，以市场与企业简单的两分法分析企业与市场的相互替代作用，忽视了企业与市场的不同功能，导致对企业性质认识上的不完整性。

BACKGROUND: Borosilicate glass is a kind of novel bone substitution materials. In vitro experiments indicate that it has good biodegradability and bioactivity.

背景：硼酸盐生物玻璃是一种新型骨替代材料，体外实验显示具有良好的生物降解性能以及生物活性。

［Objective］ To observe the clinical experience of artificial caput humeri substitution to senile humerus proximal fracture.

：［目的］介绍高龄肱骨近端骨折患者人工肱骨头置换的临床经验。

In order to improve the serviceability of modified starch in sizing wool warp yarns, a series of starch carbamate with different degree of substitution were prepared.

为提高变性淀粉浆料在毛纱上浆中的应用性能，制备了一系列具有不同取代度的氨基甲酸酯淀粉。

Emphasis is on substitution and elimination reactions and chemistry of the carbonyl group.

重点强调取代、消除反应和含羰基基团的化学性质。

In order to explore the relationship between structure and properties of hydroxyalkyl cellulose ether nitrate, molecular structures of nitrate ester of hydroxylethyl cellulose ether, nitrate ester of hydroxylpropyl cellulose and nitrate ester of cellulose glycerol ether with molar substitution of 1 were simulated by using Synthia module of Materials Studio, and their performances of nitrogen content, glass transition temperature and Young's modulus were predicted.

为探索羟烷基纤维素醚硝酸酯的结构与性能关系，借助Materials Studio软件中的Synthia模块模拟了摩尔取代度为1的羟乙基纤维素醚硝酸酯、羟丙基纤维素醚硝酸酯和二羟丙氧纤维素醚硝酸酯的结构，并预测了它们的含氮量、玻璃化转变温度和杨氏模量。

Air is regarded as the best refrigerant to substitution of the CFCs.

空气无毒无害，作为制冷剂可以被认为是氟利昂的最佳替代物。

It is noted that the effects of substitution on the C-Cl BDE of substituted chlorobenzene compounds are very insignificant.

研究了目标化合物的前线轨道能级差，并对取代氯苯化合物的热稳定性做了评估。

You'll be in trouble it you don't watch out .

如果你不注意，你会有麻烦的。

Shaped like a biconvex lens.Of, relating to, or having the form of a hyperbola.

双曲线的属于双曲线的，与之有关的，或有双曲线形状的