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Abstract: Electron microscope has been used in clinical diagnosis for more than forty years.The important impacts have taken place in this aspect.Now it has become a very useful tool in clinical disease diagnosis,and the new concept of electron microscopi
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文摘:电子显微镜用于临床研究和诊断已有四十余年历史，它在这方面所起的作用是重大的，现已成为临床疾病诊断中不可缺少的重要工具之一，并已建立了新兴的电镜诊断学。 |
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Abstract: Emergency planning is an important function of urban management.
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摘要：作为计划职能的一部分，应急规划是应急管理的重要手段。 |
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Abstract: Emphasis is put on the recent development concerning the catalytic oxidation of methane to oxygenates by heterogeneous catalysis and liquid catalysis.For heterogeneous catalysis, the choice of catalysts, reaction temperature and pressure, oxygen
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文摘:本文对甲烷催化氧化制含氧化合物的研究，从多相催化和液相催化两个方面进行了综述；对多相催化的研究从催化剂的选择、反应温度、反应压力、氧源、反应添加物、反应器及反应机理等方面进行了总结，液相氧化的研究则对不同的研究体系进行了详细的综述。 |
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Abstract: Encouraged by Atkins, low sugar food has set foot in more than 30 million people's life in America.
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摘要：由阿特肯食品公司领军的低糖食品已进入美国3000多万人口的生活。 |
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Abstract: Ene reaction is one of the simple and versatile reactions in organic synthesis.
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文摘:烯反应是有机合成中简单而用途广泛的反应之一。 |
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Abstract: Erucic acid contents in seeds of ten populations (P1，P2，F1，RF1，F2，RF2，B1，RB1，B2 and RB2) from the cross between two genotypes of erucic acid (high and low) in Xingjiang wild rapeseed were studied.
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文摘:通过新疆野生油菜高、低芥酸杂交组合正反交F1、F2、回交一代及相应的杂交亲本种子中芥酸的测定，分析了新疆野生油菜芥酸的遗传。 |
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Abstract: Establishing database of work injuries and death accident statistics analysis system, can deal with a most of work injuries and death accident raw datum by computer, and obtain analysis consequence in the light of different demands, find out veg
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文摘:建立工伤死亡事故统计分析数据库，可利用计算机对大量的伤亡事故的原始数据进行处理，得出不同要求的统计分析结果，从中找出伤亡事故发生的一些规律，为今后的安全生产提出应该重视的问题，为采取预防措施提供依据。 |
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Abstract: Establishment of the macro dynamic mathematical models for coked zeolite catalyst coke burning regeneration was discussed from an engineering point of view.Based on the modified particle-pellet model,dynamic mathematical equations for porous and
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文摘:从反应工程学的角度讨论了结焦沸石催化剂烧焦再生反应宏观动力学数学模型的建立，根据已提出的修正的颗粒-粒子动态等温物理模型，分别推导出了多孔焦炭的燃烧再生阶段数学方程和无孔焦炭的燃烧再生阶段数学方程，为结焦沸石催化剂再生反应过程计算机模拟提供了理论依据。 |
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Abstract: Estrogen receptor(ER) and Androgen receptor(AR) assays were performed with fluorescent histochemical method in 89 cases of bladder carcinoma.77 cases were followed up for at leazt six years.The tumor recurrence occurred in 32(41.56%).
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文摘:采用荧光组织化学法测定了89例膀胱移行细胞癌雌雄激素受体的表达，获长期随访的77例中有32例复发，复发率为41.56%。 |
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Abstract: Events contributing to the establishment of statistics―the science of data―and its chemical branch are epitomized.As the new chemical branch named chemometrics or chemstatistics has been disputed in the circles of chemistry for a long time,reaso
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文摘:本文追溯了统计学发展、建立中的大事，陈述了它的定义及其化学分支发展、建立的梗概；鉴于化学界对该新兴化学分支学科的名称长期存在争议，提出了以化学统计学而不以化学计量学为该学科名称的理由，把化学统计学定义为一个研究有关数据的收集或产生、描述、分析、综合和解释，以获得新化学知识或信息的学科；阐明了许多公认属于统计学的方法，如显著性检验、方差分析、回归和相关，以及一些尚未认定属于统计学的方法，如模型建立、蒙特卡罗方法、傅立叶变换和人工神经网络，都含有统计学5个内涵中的一个或多个；探讨了化学统计学家成长的模式 |
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Abstract: Evolving information filtering method presented in this paper describes user's information needs from multi-aspects simultaneously,and improves system filtering performance through a process like natural selection.Inspired by object-oriented pro
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文摘:进化式信息过滤方法从多个角度描述用户的信息需求,通过类似自然选择的过程,达到系统整体过滤性能的优化.同时还从面向对象程序设计语言的设计思想中获得启发,引入了继承、类树的概念,增加了过滤系统的易用性.这种方法可以缩短训练时间，提高过滤质量,同时减小过滤结果与训练次序的相关性. |
