金属化

The electrochemical oscillation s often are observed in the process of anodic electrodissolution of metal and alloy, in particular, in the transitional period of between activation and passivation.

金属和合金阳极电溶解过程中常常可以观察到电化学振荡现象，尤其是在活化与钝化的转变阶段。

Methods Immunohisto-chemical S-P method was employed to detect the expression of MMP-2in30specimens of ectopic endometrium and entopic endometrium of adenomyosis and16specimens of normal endometrium.

目的 研究基质金属蛋白酶（MMP-2）在子宫腺肌病中的表达，探讨其表达与子宫腺肌病的发生及痛经的相关性方法应用免疫组化SP染色法检测30例子宫腺肌病在位内膜、异位内膜及16例对照组子宫内膜MMP-2的表达。

Bact eria may bind metals on charge surface, and their metabolic waste products in th e surrounding environment may induce mineralizations.

细菌的荷电表面可以吸附金属，并且它们新陈代谢产生的排泄物进入周围环境还可诱发生物矿化作用。

The XRD studies show obvious diffraction peaks associated with graphitic carbon and Co metal. Co particles in the composite are stable even at 2500℃ in inert atmosphere .

复合微球的 X 衍射图显示出明显的石墨碳和金属钴的衍射峰，2500℃石墨化后，复合微球中的钴仍能稳定存在。

Hyperbranched polymer; siloxysilane; metallic haloid catalyst; UV curing; kinetics

超支化聚合物；硅氧基硅烷；金属卤化物催化；紫外光固化；动力学

It is a key intermediate in the synthesis of material with nonlinear optical properties, functional molecular wires, polymetal heteronuclear complexes containing ferrocenylacetylide.

它是合成具有非线性光学材料、功能化的分子导线、多金属异双核配合物的关键中间体。

Process for the preparation of phosphatidylserine of formula wherein R and R independently represent a saturated, mono-unsaturated or polyunsaturated acyl C10-C30, X=OH or OM where M=alkaline or alkaline earth metal, ammonium, alkylammonium including the transphosphatidylation reaction between phosphatidylcholine of the general formula wherein R and R and X have the above specified meanings, R=CH2-CH2- NH2 o CH2-CH2-N(CH3)3 and Serine in D, L or racemic form catalysed by the phospholipase D enzyme, characterised in that said reaction is carried out in a hydroalcoholic medium containing an aliphatic alcohol and in the presence of bivalent metal oxide.

本发明涉及制备式CH 2 OR 1 CHOR 2 CH 2 O-P-OCH 2 -CH(NH 2 )-COOHX的磷脂酰丝氨酸的方法，其中R 1 和R 2 独立地表示饱和的、单不饱和的和/或多不饱和的酰基C 10 -C 30 ，X＝OH或OM，其中M＝碱或碱土金属、铵、烷基铵，该方法包括通式CH 2 OR 1 CHOR 2 CH 2 O-P-OR 3 X的磷脂酰胆碱其中R 1 和R 2 以及X具有上述特别的含义，R 3 ＝CH 2 -CH 2 -NH 2 或CH 2 -CH 2 -N (CH 3 3 与D、L或外消旋形式的丝氨酸之间的转磷脂酰化反应，该反应是通过磷脂酶D酶催化的，其特征在于所述的反应是在包含脂族醇的含水醇介质中并且在二价金属氧化物的存在下进行的。

The used catalyzer is in as-cast or hydrogenization state and is prepared by mixing magnesium metal and Ti-V based alloy for catalyzer together and then ball-milling the mixture for 0.5-5 hours under hydrogen atmosphere of 1-50 atmosphere pressures.

所使用的催化剂为铸态或氢化态；制备的方法是将镁金属与作为催化剂Ti-V基合金混合后，在氢气氛下球磨0.5-5小时，球磨时所用的氢压为1-50大气压。

The results show that the hydrolyzation and polymerization of metal and the structure of polysilicate has great effect on the coagulation property of PMSS.

制备了含不同金属离子的聚硅酸盐混凝剂，考察了投加量、水样pH值、熟化时间和PMSS中硅酸含量等因素对其混凝性能的影响。

The characteristics and application of the main mining methods of China's metal mines and their improvement and application prospect are discussed. In view of the existing technical basis and the trend of the demand of China's economical development on metal mines' resource, the future development of mines is prospected. Several feasible concepts are given such as the development orientation of mathematical mine and artificial intelligency, optimization of the hauling system of open pit mining and open...

讨论了我国金属矿山主要采矿方法的特点、应用情况、得到的改进及应用前景，针对现有的技术基础以及我国经济发展对金属矿资源的需求趋势，对未来矿山的发展进行了展望，重点提出了数字矿山、人工智能等发展方向，及进行露天开采运输系统优化和地下开采露天化几种可行性的设想，为我国采矿工作研究者提出了几种新的课题。

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。