查询词典 elasticity of substitution

The porosities of the entire specimen were determined by liquid substitution developed by Zhang.

两组均使用Zhang氏液体置换法测定材料的孔隙度。

Calcium sulfate cement in experiment group was resorbed completely at 9 weeks with the new bone substitution while fibrous tissue occupied the space of defect in the control group.

结果 骨组织形态学计量数据表明，3、6、9周时，实验组骨缺损中的新骨形成数据，包括类骨质表面、骨缺损中新骨体积均明显多于对照组。6、9周时，实验组骨矿化沉积率显著高于对照组。

RESULTS AND CONCLUSION: Two kinds of sulfated agarose had similar degree of substitution and sulfation position, whereas their molecular weight was different.

结果与结论：可以获得取代度及取代位置相似，具有不同相对分子质量分布的硫酸酯化琼脂糖。

The fundamental properties of the system K are studied,and it is pointed out that All theorems of the system L are theorems of the system K.Some important theorems about quantifiers are obtained.Moreover,the following results also are proved that all instances of substitution in the system K of tautologies of the system L are logically valid for any R0 chain,the soundness theorem and strong soundness theorem hold in the system K,i.e.,all theorems ofthe system K also logically valid for any R0 chain.

其次，研究了系统K*的基本性质，指出了系统L*的定理都是系统K*的定理，给出了系统K*与量词有关的一些重要定理，证明了系统L*的重言式在系统K*中的代换实例都是系统K*中关于任何R0链的逻辑有效公式；系统K*的可靠性定理成立，即系统K*中的定理关于任何R0链也是逻辑有效的；系统K*的强可靠性定理也成立，即系统K*在任何理论T下的定理关于任何R0链也是逻辑有效的。

When Marxist dialectics as an approach is vulgarized, it becomes a substitution for loss of principle. Based on the comments by thinkers, this article reflects and analyzes the Dialects to explore its original sense.

当马克思辩证法被庸俗化为一种方法时，它成了没有原则的代名词，通过几位思想家的评述，反思辩证法、剖析辩证法，以期正本清源。

Because the reaction followed the S〓2 mechanism, addition of proper amount of acetone or alcohol increased the degree of substitution.

因为反应过程是按S〓2历程进行，加适量的有机溶剂丙酮或乙醇能增加HP—β—CD产品的取代度。

The acetyl chloride can lead a nearly complete substitution of phenyl groups with chlorine on silicon atoms.

在乙酰氯的作用下，n上的苯基能够被近乎完全的取代而生成氯代聚硅烷。

Bromo-2-sulfolene (2) reacted with substituted benzoic acid salt s 3a～3c or alizarin yellow (3d) to give four novel allylic substitution products 4a～4d by esterification reaction, respectively.

以3，4-二溴环戊砜(1)为原料，在无水吡啶作用下发生消除反应，得到反应中间体4-溴-2-环戊烯砜(2)，再分别与一系列取代苯甲酸盐3a～3c以及茜素黄GG(3d)发生酯化反应，合成出4种新环戊烯砜衍生物4a～4d，并用IR，1HNMR，MS，元素分析等表征了它们的结构。

The effects of the amounts of water and alkaline catalyst as well as reaction temperature, reaction time on the substitution and reaction efficiency were studied.

考察了体系的含水量、碱用量、反应温度、反应时间对取代度和反应效率的影响。

The substitution of alkaline-earth metals for Ni improves the photocatalytic activity of MNb2O6. After UV irradiation for 10h, the concentrations of RhB/SrNb2O6 suspension and RhB/BaNb2O6 suspension are degraded to 21% and 37%, respectively.

结果表明，碱土金属Sr、Ba对NiNb2O6中Ni的取代能很好地提高铌酸盐的光催化效果，在10h紫外光照射下能分别将RhB的浓度降解到原来的21%和37%。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48