化学

Firstly, we investigated the mechanism of material removal and formation of super smooth surface in CMP. And the material removal mechanism of CMP at atomic level was described. The comprehension and hypothesis of material removal mechanism of super smooth surface polishing were enunciated. For instance, we circumstantiated material removal mechanism and formation of super smooth surface in CMP of LBO crystal.

化学机械抛光是超精密加工技术中最重要的方法之一，作者首先调研化学机械抛光的材料去除和超光滑表面形成机理，研究原子级材料去除机理，提出对化学机械抛光材料去除和超光滑表面形成的理解；并以LBO晶体为例详细描述化学机械抛光过程中材料去除和超光滑表面形成。

This course dabbles in each field and branch of modern chemistry. It provides a wide range of fundamental law of chemistry, fundamental rule of chemical reaction, theory of mass structure, theory of solution equilibrium, basic experiments of chemistry, analytic technique and so on.

本课程涉猎化学的各个领域和现代化学各分支，主要讲授化学基本定律、化学反应基本规律、物质结构理论、溶液平衡理论、化学基本实验和分析技术等。

It was based on the reaction between thiamine and hexacyanoferrate in sodium hydroxide medium to give CL signal,which was enhanced by cetyltrimethyl ammonium bromide.

基于在N aOH碱性中，铁氰化钾可以直接氧化维生素B1产生化学发光，而十六烷基三甲基溴化铵的存在可以大大增强这一化学发光强度，结合流动注射分析技术，在研究并优化化学发光条件的基础上，建立了测定维生素B1的化学发光分析方法。

In order to develop and popularize organic-inorganic compound fertilizer for vegetablecrops, the effects of chemical nitrogen fertilizer application rate on yield and quality (nitratecontent, protein content, soluble sugar content, rough fiber content and Vitamin C content) of 4vegetables(Water spinach, Asparagus lettuce, Pak-choi, Radish)and nitrogen fertilizerutilization ration have been studied by pot experiment using ~(15)N trace technique.

中文摘要：为开发和推广蔬菜有机-无机专用复混肥，本文采用盆栽试验和~(15)N标记示踪技术探讨了化学氮肥用量对4种蔬菜(蕹菜、莴苣、小白菜、萝卜)产量、品质(硝酸盐、蛋白质、可溶性糖、粗纤维、维生素C含量)及氮肥利用率的影响，在保证蔬菜高产、优质、低污染的前提下，权衡化学氮肥用量与蔬菜产量、品质和化学氮肥利用率之间的关系，得到了4种蔬菜合理的化学氮肥用量。

By doing these, the theory of effective classroom teaching would be afforced and fully developed.

一方面，对熵理论在初中化学课堂有效教学的应用研究是对有效教学理论的丰富和发展；另一方面应用熵理论指导初中化学教学实践，在教学过程中充分把握初中化学教学系统的开放性特征、非平衡特征、&自组织&现象进行初中化学有效教学，将有助于我们进一步改善教学方法，优化教学手段，真正意义上实施有效教学，从而提升学生的化学科素养，充分发挥学生的潜能，促进初中新课程的顺利实施，推进素质教育。

Aiming at the problems of anti-jamming and apparatus security in measuring the Electrothermal-Chemical Gun's chamber pressure at present, and based on knowing the problems of doughty electromagnetism jam and voltages fluctuate in the course of ETCG's launch, we studied the measurement of ETCG's Chamber Pressure by use of the multilayer shield technology which solved the ETCG's chamber pressure testing problem, and the results were prove to be satisfied.

针对当前电热化学炮的膛压测试技术中存在的强电磁干扰和仪器安全性问题，在了解电热化学炮发射过程中的几种强电磁干扰和地电位浮动问题的基础上，引入了利用多层组合屏蔽技术的电热化学炮膛压测试技术，解决了电热化学炮膛压的测试问题，获得了良好的数据。

The topics covered are as diverse as gas phase radiation chemistry, the use of radiation chemical techniques, the treatment of water pollutants, the chemical basis of radiation biology, and muonium chemistry.

涉及的题目一样多种多样气相辐射化学，辐射化学技术的使用，水污染物处理，辐射化学基础生物学，化学和渺子偶素。

Determining zineb fungicide using a flow-injection chemiluminescence method FANG Lu-qiu (Department of Environment and Chemistry, Fuling Normal University, Chongqing 408003, China) Abstract: N-bromosuccinimide was used to oxidize zineb under basic conditions, producing a strong chemiluminescence signal.

流动注射化学发光法测定杀菌剂代森锌的含量方卢秋(涪陵师范学院化学及环境科学系，重庆 408003)摘要：在碱性条件下，N-溴代丁二酰亚胺直接氧化代森锌产生强烈的化学发光信号，结合流动注射技术，建立了测定杀菌剂代森锌含量的流动注射化学发光分析法。

It was found that calcein could absorb the chemical energy of the oxidizing reaction between potassium ferricyanide and ketotifen accompanied with chemiluminescenceemission.

发现钙黄绿素可以吸收铁氰化钾氧化酮替芬反应的化学能而产生化学发光，以钙黄绿素为化学发光试剂，构建了铁氰化钾-酮替芬-钙黄绿素化学发光体系，利用此体系建立了测定酮替芬的化学发光分析新方法，方法的线性范围为2。

The Company is threaded sheath, also known as snail wire sets, silk sets of braces, sheathed the thread protection and repair products, professional products and service providers, dedicated to this product for many years, the existing public and Britain, the United States system of standards products, complete specifications, professional services, welcomed the thread slip teeth or want to improve product strength thread calls the user communications to provide stainless steel screws, screws imports, 12.9 screws, screw English, US-made screws, thread sheath, steel screws, wire sets, jacket, inner hexagon screws, fasteners, cup head screws Hexagon, Hexagon screw Ping Cup, Cup Round Hexagon screws, machine-processed rice screws, stop screw, stainless steel set screws tight, stainless steel screws Hexagon, English outside the hexagon screws, hexagon screws outside the US-made, stainless steel outer hexagonal screws, self tapping screws, machine wire, etc.

本公司是螺纹护套，也称钢丝螺套，丝套，牙套，护套的螺纹保护与修复产品的专业产品供应与服务商，致力于此产品多年，现有公、英、美制等标准的产品，规格齐全，专业服务，欢迎在螺纹滑牙或想提高产品螺纹强度的各用户来电来函，提供不锈钢螺丝，进口螺丝，12.9级螺丝，英制螺丝，美制螺丝，螺纹护套，钢丝螺丝，丝套，护套，内六角螺丝，紧固件，内六角杯头螺丝，内六角平杯螺丝，内六角圆杯螺丝，机米螺丝，止付螺丝，不锈钢紧定螺丝，不锈钢内六角螺丝，英制外六角螺丝，美制外六角螺丝，不锈钢外六角螺丝，自攻螺丝，机丝等，主要产品：不锈钢螺丝，不锈钢机丝，不锈钢自攻螺钉，不锈钢螺母，不锈钢六角螺丝，不锈钢内六角螺丝，316不锈钢螺丝，不锈钢杯头螺丝，不锈钢机米螺丝，不锈钢自攻螺丝，不锈钢法兰，英制不锈钢螺丝，美制不锈钢螺丝，慧鱼的化学锚栓，喜力得的建筑锚栓，其它国内的化学类锚栓，钻尾螺丝，自钻螺丝，平爆，钢结构螺丝等，专业建筑紧固件供商，有慧鱼的化学锚栓，喜力得的建筑锚栓，其它国内的化学类锚栓，钻尾螺丝，自钻螺丝，平爆，钢结构螺丝，扭剪螺丝，钢构螺丝，墙板钉，自攻钉，膨胀螺丝。

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。