查询词典 substitution method

With increasing the percent of azide substitution, maximum temperature of thermal degradation is also increscent, a linear relationship exists between the glass transition temperature of B and percent of azide substitution.

随着叠氮化反应程度的加深，最大热分解温度升高，不同程度叠氮化取代率的叠氮聚醚多元醇的玻璃化温度与叠氮化取代率成线性关系。

The feldspars of topaz-lepidolite granite in Yashan late stage are P-rich albite and Kfeldspar, and the phosphorus goes into feldspar structure in the form of PAlSi〓 substitution. The phosphorus contents of feldspars vary according to their crystal habitus. In general, the feldspars of later generation have the higher average phosphorus content than that of earlier generation, and the albite contains higher phosphorus than the K-feldspar in the same generation. The zircon is highly rich in Hf, U, P and Al. The phosphorus enters the zircon structure mainly by the form of〓P〓〓Si〓, Al〓P〓Si〓 or P〓Al〓Si〓, Zr〓 substitution. The P-rich zircon is the production of the highly evolved magma, and it might be one of the important characteristic minerals of the high-P subtype granite. The manganocolumbite, manganotantalite, wodginite and titanowodginite are the main niobium and tantalum minerals.

雅山晚阶段黄玉锂云母花岗岩的长石矿物是富磷长石，磷以PAlSi〓替换方式进入长石结构中，并且在长石中的分布很不均一，一般是晚结晶的长石比早结晶的长石的磷含量高，同期结晶的钠长石比钾长石的磷含量高；锆石矿物为高度富铪、铀、磷和铝的锆石，磷主要以(Y， HREE， Fe)〓P〓〓〓Si〓〓、Al〓P〓Si〓〓、P〓Al〓Si〓〓Zr〓〓等替换方式进入锆石晶格中，富磷锆石是岩浆高度演化的结果，是高磷花岗岩的特征矿物之一；雅山含有丰富的磷锂铝石，是高磷花岗岩的主要磷酸盐矿物；铌—钽矿物主要有铌锰矿—钽锰矿、锡锰钽矿—钛锰钽矿、细晶石等。

Some residues are subject to conservative substitution of one residue by another with similar properties, others to nonconservative substitution where one amino acid residue is replaced by another with different propertied.

某些塞住的嘴基属于保守的取代，即一个残基被别一个相似性质的残基取代；其它为非保守的取代，即一个氨基酸残基被另一个不同性质残基取代。

However, in different primate groups, as well as in different CCR5 gene regions, synonymous substitution rate Ks and nonsynonymous substitution rate Ka were obviously different.

通过使用不同的时间标尺，我们估计了Ka和Ks在不同灵长类类群中的进化速率，并与它们在啮齿类中的进化速率比较。

The nonsynonymous substitution sites were more than synonymous substitution sites in human, house mouse and pig obviously.

人、家鼠和猪的非同义替换位点数明显高于同义替换位点数。

The results show that although both Ni substitution and Mg vacancies are effective in desorbing hydrogen at lower temperatures, the substitution of Ni at the Mg site is energetically more favorable than the formation of Mg vacancies. The Ni atoms of NiF2 can replace some Mg atoms of MgH2 systems, the reaction of NiF2+3MgH2=MgF2+Mg2NiH4 during mill process is accelerated, thus, MgH2 with the higher stability can be changed into Mg2NiH4. Because of a ternary hydride Mg2NiH4 with lower stability forming, the dehydrogenating properties on Ni doped MgH2 systems are improved.

结果表明：Ni替代Mg和创造Mg空位对MgH2体系解氢而言，均发挥有益作用，而形成Mg空位所需能量(6.51 eV)高于Ni替代Mg所需能量(2.12 eV)，表明低温下Ni替代Mg对MgH2体系解氢而言更有利，至此NiF2中的Ni替代MgH2中的Mg，有利于加速化学反应NiF2+3MgH2=MgF2+Mg2NiH4向右进行，使结构稳定的MgH2发生转变，生成结构不稳定的Mg2NiH4，这样体系解氢过程不是通过MgH2，而是转变为通过Mg2NiH4进行，因此，Ni掺杂提高了MgH2体系的解氢性能。

The algorithm meliorates the classification accuracy of the samples of metamorphic characteristic words including Pinyin substitution, homophone substitution and symbols insertion,etc.

算法提高了对于含有拼音替换、同音字替换、符号插入等变形特征词样本的分类准确率。

To detect QTL for the body fat-related carcass traits in beef cattle, the single strand conformation polymorphism assay was used for investigating the K232A substitution in DGAT1. Animals from 4 beef cattle populations (32 Luxi, 28 Jinnan, 32 Qinchuan and 26 Limousin × Luxi cattle) were used to estimate allele frequencies and gene substitution effects on several beef carcass traits.

为研究肉牛与体脂相关的胴体性状的数量性状座位，利用单链构象多态性方法检测了牛DGAT1基因K232A取代的2个等位基因K和A在实验群体中的分布频率，并分析了基因型对4个肉牛群体部分胴体性状的影响。

The calculated results indicated that the HOMO and LUMO of the 2, 7-linked and 3, 6-linked carbazole trimers are both slightly destabilized on going from methyl substitution to sec-butyl substitution.

计算结果表明：2，7-和3，6-咔唑三聚物的HOMO和LUMO由甲基取代到仲丁基取代逐渐变的不稳定。

We also show that the economic effects of energy taxations depend on the degree of substitution between production factors. As we know, the elasticity of substitution is the degree of ease with which the firm can buy energy efficient equipments when energy costs increase.

本研究同时模拟在相同的CO2的减量幅度，会因本文所设定的参数值区间而有不同的能源税课徵幅度，最大值高於最小值达75%，显示要素替代弹性的设定对气候变迁政策的拟定具相当影响性。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。