查询词典 Zn

Having observed the high temperature metallograph,measured the resistance -emperature curve and tested the transformation-induced plasticity, it is confirmed that in Cu-Zn-Al memory alloys there appear two kinds of martensite, i.

通过高温金相观察，电阻-温度曲线和相变塑性曲线的测定，证实：Cu-Zn-Al 记忆合金由于淬火条件的不同，会出现两种不同的马氏体，热弹性马氏体和非热弹性马氏体。

In this paper the effects of the Re K Zn compound modificator on the microstructure and properties of high Chromium white cast iron as cast have been studied by the method of orthogonal design.

本文通过正交设计实验研究了Re K Zn 复合变质剂对高铬白口铸铁组织和性能的影响，借助于电子扫描显微镜、X 射线能谱仪等先进设备对其影响结果进行了分析。

In this paper the effects of the Re-K-Zn compound modificator on the microstructure and properties of high Chromium white cast iron as-cast have been studied by the method of orthogonal design. The results have been analyzed with the aid of scanning electron microscopy and energy dispersive X-ray analyzer.

本文通过正交设计实验研究了Re-K-Zn复合变质剂对高铬白口铸铁组织和性能的影响，借助于电子扫描显微镜、X-射线能谱仪等先进设备对其影响结果进行了分析。

The macrocyclic polyamines are a kind of excellent ligands and have a substantially high binding affinity with transition metal ions. Macrocyclic polyamine metal complexes as enzyme models are widely used in chemical biology, medicine and gene therapy. 1, 4, 7, 10-tetrazacyclododecane is a representative macrocyclic polyamines compound and shows high binding affinity with transition metal ions, such as Zn, Cu and Co. Their metal complexes especially multinuclear complexes were widely used in DNA, RNA recognition.

大环多胺化合物是一类性质独特的优秀配体，具有良好的金属配位能力，其金属配合物作为人工酶模型广泛应用于核酸结构及功能研究、基因表达与调控、抗癌药物的研制等生物、化学和医学领域。1，4，7，10-四氮杂十二烷是典型的大环多胺化合物，对过渡金属离子Zn， Cu and Co有良好的配位能力，这些金属配合物特别是多核金属配合物被广泛应用于DNA识别中。

A comprehensive survey of minerals in pollen of nectariferous plants was performed in this study.The contents of 14 mineral elements such as Fe, Zn, Cu, Mn and Se etc. in the pollen of 14 kinds of nectariferous plants: Cucumis melo L., Nelumbo nucifera Gaertn, Citrus sinensis Osbesk, Prunus armeniaca L., Rosa xanthina Lindi., etc, were detected for the first time by atomic absorption spectrophotometry, ultraviolet spectrophotometry and fluorescence spectrophotometry.

利用原子吸收分光光度计、紫外分光光度计和荧光分光光度计，测定了前人尚未测试的哈密瓜、莲、脐橙、杏及黄刺梅等14种蜜源植物花粉中Fe、Zn、Cu、Mn及Se等14种矿物质元素的含量。

The dataset of soil element contents is derived from project of "Multi-target Regional Geochemical Survey in Jianghuai Drainage Area in Anhui Province" by Anhui Institute of Geological Survey, China. With normalized datasets that are transformed by Johnson transformation, the variogram models are fitted, in which the As and Cd are spherical, Pb and Zn are pentaspherical, and Hg is exponential.

数据来源于&安徽省江淮流域多目标区域地球化学调查&结果，采用Johnson变换进行正态转换，地统计拟合变异函数中，As、Cd元素为球状模型，Pb、Zn元素为五球形模型，Hg元素为指数模型。

Unidirectional solidification experiment on Zn-2%Cu peritectic alloy was carried out by Bridgman method. Lamellar structure was obtained at a solidification velocity between 1600μm/s and 6400μm/s.

摘 要：利用Bridgman法对Zn-2%Cu包晶合金进行了快速定向凝固实验研究，当生长速度在1600～6400μm/s时，得到了类似于共晶的层片状组织。

The structure was investigated by XRD and TEM, combining with the calculated metastable phase diagram. The results show that it is possible to obtain coupled structure in Zn-2%Cu peritectic alloy by rapidly unidirectional solidification method.

利用X射线衍射仪及透射电镜对层片状组织进行了相组成的分析，并结合计算亚稳相图对该组织的相及组织形成规律进行了分析，结果表明在快速凝固条件下Zn-2%Cu包晶合金中实现共生生长是可能的。

In this research, two novel compounds in which alkylenedithiomethylene Malonic acid act as the main coordination agents and the compounds containing N atom (such as pyridine, Phenanthroline Ethanediamine and 4,4'-Bipyridinyl) act as the associating coordination agents have been synthesized by the means of solution and solid-liquid diffusing reactions. 9 coordination complexes and polymers have been designed and synthesized in which the transition metals Cu and Zn acted as the centre ions. These compounds have been characterized by X-ray single crystal diffraction analysis, and some properties of them have been tested and analyzed.

本论文设计合成了两种结构新颖的含有二硫缩烯酮结构的丙二酸类化合物，以此为主要配体，以含氮化合物(吡啶、邻菲罗啉、乙二胺和4，4'-联吡啶)为辅助配体，采用常规溶液合成和固-液相扩散等方法，设计合成了9个过渡金属Cu和Zn离子配合物和配位聚合物，采用单晶X-射线衍射等技术对晶体结构表征，并对其部分性质进行了测试和分析。

With Zn〓 used as an internal standard, the contents of Ni, Co, Cu in real mineral samples were determined successfully in the imidazole or phenylamine systems.

以Zn〓作内标，采用内标标准曲线法分别在咪唑和苯甲胺缓冲液体系中对镍矿样中Ni，Co，Cu的含量进行了测定。

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。