金属的

The silver nanoparticles modified by oleic acid were successfully synthesized by the replacement reaction of silver nitrate with metal sodium in decalin, and the reaction was achieved via ultrasonic irradiation.

在有机介质十氢化萘中，以金属钠、硝酸银和油酸钠为起始原料，通过超声辐射使金属钠和硝酸银发生置换反应，成功制备了油酸表面修饰的Ag纳米微粒。

The Schiff base transitional metal complexes of various structures and their metallomicelles as peroxidase models for the phenol and phenolic derivant oxidation have been investigated. Some results are obtained from the studies:(1) the Schiff base transitional metal complexes have high catalytic activity for the phenol and phenolic derivant oxidation, and the structure of the complexes has a great effect on its catalytic activity;(2)a novel kinetic mathematical model for the complexes and their metallomicelles catalyzing the phenolic derivant oxidation has been established;(3) the feasibility and mechanism for the phenolic derivant oxidation catalyzed by the metallomicelle(as the mimetic model of peroxidase)have been discussed.

研究了冠醚Schiff碱金属配合物作为过氧化物酶的模拟模型对酚类物质氧化反应的催化作用，取得如下结果：(1)几种冠醚Schiff碱金属配合物对催化酚类物质氧化具有良好的催化活性，其中配体结构对其催化活性有较大的影响；(2)建立了金属配合物与表面活性剂形成的金属胶束催化酚类物质氧化反应的动力学数学模型；(3)探讨了金属胶束模拟过氧化物酶催化酚类氧化反应的可行性及其机理。

It may imply that there are close relation between the enhancement of electric field in nearby particles and dipolar interaction.

基底上正电荷所诱导的金属纳米粒子的偶极的形成减弱了从金属纳米粒子到PATP分子的电荷转移，碘离子的共吸附使得金属纳米粒子表面的电荷重新分布。

Due to this, our goal is to develop a new method to functionalize implant surface by plasma treatment. Argon plasma removes all chemical traces such as adsorbed contaminates and impurities. Oxidation in oxygen plasmas by ion bombardment results in a dense oxide layer.

因此，本研究利用低温电浆来发展一植体表面处理技术，先以氩气电浆清洁钛金属表面，再以氧电浆让钛金属表面产生一层致密的二氧化钛层。

The glossary provides information relating to commonly occurring metals and ores such as gold, copper, chalcopyrite, haematite, pyrite, molybdenite and sphalerite, and gives details of some common mineral assemblages.

网站提供了由纽芬兰岛与拉布拉多地质勘测局在本地区发现的一些金属矿物，网站共介绍了以下7种金属矿物：黄金、铜、黄铜矿、赤铁矿、黄铁矿、辉钼矿、闪锌矿等。

According to the determination of fluorescence properties,mononuclear metal complexes have fluorescence properties,while heteronuclear metal complex does not have fluorescent properties.

根据荧光性能的测定，单核金属配合物具有荧光性能，异核双金属配合物没有荧光性能

Heterozygous metallic: One copy of the metallic gene and one copy of the non-metallic gene.

杂合金属：一份金属基因的副本，非金属基因。

The molecular sieve is prepared in the steps: at the room temperature, hexadecyl trimethyl ammonium bromide is mixed and dissolved with the sodium hydroxide, and is added with TEOS in dropping way, and simultaneously added with Me metal salt water solution and lanthanum nitrate solution in dropping way; the pH value of the mixed solution is adjusted by acetic acid to be 10 to 11, and is mixed for 1 to 2 hours after being stabilized; the sol is moved into a polyfluortetraethylene bottle to be heated and crystallized for 2 days in the oven at the temperature of 100 DEG C; after filtering, washing and drying for nights, and being calcined in a muffle at the temperature of 550 DEG C for 3 to 7 hours, the dual-metal-atom improved MCM-41 mesoporous molecular sieve is obtained.

该分子筛的制备为室温下，将十六烷基三甲基溴化铵和氢氧化钠混合溶解，搅拌并滴加入TEOS，同时滴加入Me金属盐水溶液和硝酸镧溶液并搅拌，用乙酸调节pH值至10～11，稳定后搅拌1～2小时，溶胶转入聚四氟乙烯瓶中在100℃下烘箱水热晶化2天，经过滤、洗涤、干燥过夜，马弗炉550℃焙烧3-7h，得双金属原子改性MCM-41介孔分子筛产品。

Objective: To investigate the effects of Hovenia dulcis extract on mRNA expression of MMP-13 and TIMP-1 mRNA in hepatic tissue in experimental rats.

中文摘要：目的：探讨枳子提取物对实验大鼠肝组织基质金属蛋白酶-13(MMP-13)与金属蛋白酶组织抑制因子-1(TIMP-1)表达的影响。

Objective To explore the significance of expression of matrix metalloproteinases and tissue inhibitor of metalloproteinases -2(TIMP-2) in benign and malignant hydatidiform molr.

目的 探讨基质金属蛋白酶(MMP- 2 )及金属蛋白酶组织抑制因子(TIMP- 2 )在良、恶性葡萄胎组织中的表达及临床意义。

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。