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A preparation method of monodisperse high crystallinity copper powder is provided, which relates to a method for preparing copper powder used in conductive paste by using cupreous compound, in particular to a preparation method of the copper powder used in the conductive paste that is applicable to ceramic electronic components with a plurality of layers.

一种单分散高结晶度铜粉的制备方法，涉及用铜的化合物制备导电浆料用铜粉的方法，特别是涉及适用于多层陶瓷电子元件的导电浆料用铜粉的制备方法。

The research and development of CWM preparation with flotation tailings and combustion in FBC boiler for power generation in Pangzhuang Preparation Plant are in- troduced in this paper.

介绍了庞庄煤矿利用浮选尾煤制水煤浆沸腾炉燃发电的研究开发过程，找出了一条解决煤泥综合利用的新途径，并具有良好的推广应用价值。

The paper mainly studies the new preparation technologies of cyanamide. The paper reviews the preparation technologies of cyanamide in domestic and overseas. We analyze the advantage and disadvantage of all the technologies, and we design two new technologies: urea- cyanamide method and ammonia, carbon dioxide- cyanamide method.

本文主要研究了制备氰胺的新工艺，综述了国内外氰胺工业生产的几种主要工艺，分析了各工艺的利弊，设计了两条新的工艺路线，即尿素-氰胺法和氨气、二氧化碳-氰胺法。

The preparation of polymer is required for high purity of glycolic acid, if not, low-weight polymer is obtained, therefore, high purity glycolic acid is scarce in the market. So, the research for the synthesis of glycolic acid is essential. In domestic and overseas, there are many methods for preparation of glycolic acid, including glycin oxidation, cyanogenesis, aldehyde oxidation, coupling of maldehyde and methyl formate, oxalic acid electrolysis, chloroactic acid hydrolysis and so on.

制备羟基乙酸的聚合物时，对羟基乙酸单体的纯度要求较高，否则得到的聚合物分子量较低，导致高纯度羟基乙酸的需求量逐年增长，目前在国内，高纯度的羟基乙酸还没有形成工业化规模生产，对羟基乙酸的合成进行研究是非常有意义的。

Component: Pure water, Cymene, Active Surface Chemical Preparation, Anlistatig Chemical preparation etc

成份：纯净水，异丙醇，进口表面活性剂，抗静电剂等。

This specific preparation methods including: parathion of the initial reaction in acid and zinc metal in the common under redox reaction, a product of the reduction of parathion - parathion, with the sodium nitrite in the cold under diazotization reaction, and bovine serum protein tyrosine on the o-hydroxy combination of the adult immune original and immune rabbit polyclonal antibody preparation.

本发明制备方法具体包括：以对硫磷为反应初始物，在酸和金属锌的共同参与下进行氧化还原反应，得对硫磷还原产物对氨基对硫磷，再与亚硝酸钠在低温下进行重氮化反应后，与牛血清蛋白酪氨酸上羟基的邻位结合，制备成人工免疫原，并免疫新西兰大白兔制备多克隆抗体。

In this thesis the preparation of doped composite semiconductor photocatalyst as well as its photocatalytic performance for hydrogen production was searched. The reseach works is composed of two parts: The first part was the study on the preparation of CdS-SiO_2 and its photocatalytic performance.

本文研究了复合掺杂半导体可见光催化剂的制备及其光催化制氢性能，主要分为两个部分：一、复合半导体催化剂CdS-SiO_2的制备及其光催化性能研究。

The present invention relates to preparation technology of electromagnetically responding composite grain, and is especially one kind of porous composite silica/nickel/titania grain in core-shell structure and its preparation process.

本发明涉及一种电磁响应性复合颗粒的制备技术，特别涉及一种多孔二氧化硅/镍/二氧化钛核-壳结构的复合颗粒及其制备方法。

The result showed that hole shape and banding shape of soil preparation could significantly decrease runoff and soil erasion amount,and hole shape of soli preparation was the best to decrease runoff and soil rasion amount by 34% and 42% respectively.

结果表明，穴状整地林和带状整地林对减少地表径流和土壤侵蚀均具有明显的作用，对减少营养元素的流失量作用显著，年减少土壤养分流失量为79.75～135.40kg·hm－2·a－1。

Abstract］ Objective To discuss the influencing factors of healing up of anastomosis between traditional and morden ideas and question the more reasonable method of intestinal tract preparation in stage one operation.Methods Twenty-six patients with colon cancer were divided into 3 groups:colostomy group（8 cases）,washing group (9 cases) and suction group (9 cases).All the patients underwent colectomy plus stage one anastomosis and exteriorization with different interoperative preparation with which we compared the healing up of anastomosis within the three groups.

目的 探讨影响吻合口愈合因素的传统与现代观念并进步探讨一期手术中合理的肠道准备方式方法 26例降结肠癌分为造瘘组（8例）、冲洗组（9例）和粪便吸引组（9例）三组，术中分别采用3 不同方式行紧急肠道准备，所有病人均采用结肠切除一期吻合加外置的方法，对比观察三组病人的吻合口愈合情况。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。