查询词典 crystallization

The main influence factors yn sulphonation and crystallization process has been investigated and the optimum conditions of process have been foudn.

摘 要：介绍了杀虫单的介质法磺化反应及结晶工艺的研究，探讨了影响磺化收率和杀虫单粉剂含量及出粉率的主要因素，找出了生产高纯度杀虫单粉剂的最优工艺条件。

In addition the calcium content if superstandard, then have direct impact on the life of the cot will result in the COTS crystallization.

另外火洋的钙离子含量如果超标，那么会间接感化到胶辊的搁置寿命，不兵导致胶辊暗地结晶。

The technology called agiationformatinggel,agiationstatic crystallization' has been used to synthetize NaA zeolite and the better products have been obtained.

为了合成出适合洗涤剂用的NaA沸石产品既有高的Ca2＋交换容量又有小的粒度，作者尝试了用动态成胶、动－静晶化的技术合成洗涤剂用的NaA沸石，得到了较好的产品。

The crystallization behavior of polyethylene terephthalate ; random poly (ethylene/tetramethylene terephthalate) P (ET/BT ; poly (ethylene terephthalate/ isophthalate) P (ET/EI and poly (ethylene terephthalate/adipate) P (ET/EA copolyesters; and block polyethylene terephthalate/polyethylene glycol and polyethylene terephthalate/polytetramethylene glycol were studied by DLI ; DSC; WAXD; PLM and IR technique.

本文通过缩聚反应合成了不同分子量的聚对苯二甲酸乙二酯；聚对苯二甲酸酯P(ET／BT、聚（对苯二甲酸／间苯二甲酸）乙二醇酯P(ET／EI和聚乙二醇酯P(ET／EA等系列的无规共聚酯以及PET／PBG和PET／PEG等系列的嵌段共聚酯，并采用DLI、DSC、WAXD、IR和NMR等实验技术着重研究了它们的结晶行为与共聚酯的序列结构。

Through cyclic hydrogen bonding with motif formed by coordinated water molecules and coordinated hydroxyl groups of dhbd from adjacent tetranuclear units, these adjacent neighbors are connected to afford a 1D supramolecular chain along axis a, which is further extended via aromatic intercalations and other crystallization water molecules into a 3D structure with channels.

毗邻的四核单元通过配位H2O分子和配位羟基O原子形成的 R 22(8)型环形氢键桥的连接，沿a轴方向构建了四核单元交替相连的一维超分子链；链间籍苯环的π-π堆积作用和晶格水分子氢键链的连接进一步扩展为具有隧道的三维结构。

The glass and crystalline glass-solders of Li2O-ZnO-SiO2 system were prepared by conventional melt technology. The various factors effecting on glass ceramics and glass were investigated,which include glass chemical composition and heat-treatment and so on. And then by means of XRD, DTA, IR and SEM, the structure and properties of the glass and glass-ceramic were studied. The coefficient of linear expansion , transform temperature and soft temperature wer measured. And then the factors that effect the mechanical strength of glass-ceramic were discussed and the fluxion property was determined and the crystallization course and mechanism were discussed, which can provide certain therial reference value for practice producing and glass seals to glass, ceramics and metal.

用高温熔融法制备了Li_2O-ZnO-SiO_2系统玻璃及其结晶型玻璃焊料，探讨了各种因素(包括玻璃组成、热处理制度等)对微晶玻璃的结构和性能的影响；利用X射线衍射分析、DTA、红外光谱分析以及扫描电镜等现代测试手段，对玻璃的结构与性能进行研究，测定了玻璃及微晶玻璃的线膨胀系数、转变温度和软化温度，同时对影响微晶玻璃的强度的因素进行了探讨，并对该体系玻璃的流散性进行了测定，对它的析晶过程和析晶机理进行探讨，为实际生产和与玻璃、陶瓷及金属封接提供了一定的理论参考价值。

he isothermal and non-isothermal crystallization behaviors of blends o f thermotropic liquid crystalline polyester and PET have been studied.

用差示扫描量热法对聚对苯二甲酸乙二酯／热致液晶高分子共混体系的等温和非等温结晶行为进行了研究。

Therefore, its U-Pb ages are likely to yield the age of metamorphic crystallization rather than resetting by simple diffusion, such that metamorphic titanite may preserve complicated U-Pb system that contains information of the whole metamorphic history of the rock, which can be revealed by in situ U-Pb dating, e.

由于榍石的组成元素均为岩石中的主要元素，很容易与其它矿物、熔体及流体发生反应，所以榍石的U-Pb年龄记录的更可能是结晶年龄，而不是简单的扩散重置年龄；也因为它容易反应，变质榍石复杂的U-Pb体系可能记录了岩石的整个变质历史信息。

Therefore, its UPb ages are likely to yield the age of metamorphic crystallization rather than resetting by simple diffusion, such that metamorphic titanite may preserve complicated UPb system that contains information of the whole metamorphic history of the rock, which can be revealed by in situ UPb dating, e.g., SHRIMP, LAMCICPMS and LAICPMS.

由于榍石的组成元素均为岩石中的主要元素，很容易与其它矿物、熔体及流体发生反应，所以榍石的U-Pb年龄记录的更可能是结晶年龄，而不是简单的扩散重置年龄；也因为它容易反应，变质榍石复杂的UPb体系可能记录了岩石的整个变质历史信息。

In contrast to zircon, titanite is quite reactive in most rocks contain Ca and Ti at different conditions. Therefore, its UPb ages are likely to yield the age of metamorphic crystallization rather than resetting by simple diffusion, such that metamorphic titanite may preserve complicated UPb system that contains information of the whole metamorphic history of the rock, which can be revealed by in situ UPb dating, e.g., SHRIMP, LAMCICPMS and LAICPMS.

由于榍石的组成元素均为岩石中的主要元素，很容易与其它矿物、熔体及流体发生反应，所以榍石的U-Pb年龄记录的更可能是结晶年龄，而不是简单的扩散重置年龄；也因为它容易反应，变质榍石复杂的UPb体系可能记录了岩石的整个变质历史信息。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。