查询词典 crystallization

Nanostructured zirconia doped with yttria was prepared by co-precipitate method. The structures were characterized by X-ray diffraction and Extend X-ray absorption fine structure . The influences of calcined temperature and Y〓O〓 concentration on structure in crystallization process were studied systematically.

1利用XRD和EXAFS方法对共沉淀方法制备的非晶和纳米ZrO〓：Y〓O〓的结构进行了表征，比较系统地研究了不同处理温度和不同Y〓O〓掺杂浓度在其晶化过程中对结构的影响，并讨论了氧空位所处的位置。

It is found that the residual silicon amount is the key parameter to zeolite crystallization.

结果表明，泡沫碳化硅载体中的残余硅含量是影响沸石晶体层结晶的关键因素。

The study on acetoin crystallization dimer showed that the yield of acetoin-dimer was affected by the optical rotation of acetoin.

对乙偶姻二聚体结晶的研究表明，乙偶姻的旋光值对二聚体的结晶得率影响很大，旋光值越接近于零，结晶得率越高。

The ultra smooth crystallization ceramics surface ,ce-ases the dirt adherency,is in the sanitarye quipment product high-quality goods.

超平滑结晶陶瓷表面，杜绝污垢粘附，是洁具产品中的精品。

The amount of water in adrop or acrystal,the purity,the chemical composition,and how the water interacts with itself,the sample,and reagents are all critical variables in aprotein crystallization experiment.

液滴中或晶体中水分的量，纯度，化学组成，以及水分子之间/水分子与样品或结晶试剂之间的相互作用方式等，这些都是影响结晶过程的变数。

Hydration process and products, crystallization morphology and paste structure as wellas physical and mechanical properties of alite type oil well cement at pressure of 400kg/cm~2and temperatures from 75℃ to 300℃ have been investigated.

研究了在温度75～300℃和压力400kg/cm~2水热条件下硬化的阿利特型纯熟料油井水泥的水化产物、水化过程、结晶形态、水泥石结构及其物理力学性能。

The preferred (111) orientation of MgO films became better with the increase of the annealing temperature or thickness of the film. The oxidation of Si surface during the pyrolysis and crystallization of Mg alkoxide is suggested to account for the preferred (111) orientated MgO films on Si (100) and Si (111) substrates.

同时，退火温度的升高和薄膜厚度的增加都能使MgO(111)的择优取向性越来越好；Si的易氧化是导致镁醇盐经过高温分解结晶形成MgO(111)择优取向的主要原因。

The physical deterioration mechanism,characteristics salt,experimental methods,appraisable index and main influencing factors of soluble salt crystallization corrosion to concrete reviewed.

阐述了混凝土盐结晶物理侵蚀破坏的机理及其破坏特征，介绍了国内外混凝土抗盐结晶破坏的试验方法、评价参数以及影响混凝土盐结晶侵蚀破坏的主要影响因素。

Results of DSC determinations show that an adequate content of atactic polystyrene is favourable of the crystallization of isotactic polystyrene,but the addition of more aPS linearly decreases the crystallinity of iPS because of the dilution effect.

DSC测定表明，产物中的无规物有利于等规聚苯乙烯结晶，但对结晶的熔点有降低作用。向产物加入更多的aPS则由于稀释效应而使iPS的结晶度线性下降。

In this thesis, the systematic study on the optimization of 6APA preparation process (including hydrolysis of benzylpenicillin, concentration, extraction and reactive crystallization) were performed.

对于6APA制备过程（包括裂解、浓缩、萃取、反应结晶四步骤）优化进行了较详细的研究。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。