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Using the methods of field experiment,chemical analysis and biological statistics, effects of applying fertilizer on the law of absorption of Zn、Se and yield quality of spring wheat were systematically illuminated .

通过田间试验与室内分析及生物统计相结合的方法，研究了施肥对内蒙古土默川地区春小麦Zn、Se吸收规律及产量品质的影响。

To make paper more systematic and practical, this paper has first introduced the development history of CT equipment, then, elaborate construction of system and theworking principle of CT equipment systematically, including the property of X-ray, the absorption law of X-ray for materials, the reconstruction principle of CT image, the structure of software and hardware for CT equipment. Finally, with 2 CT systems that we used, statistic and analysis of all the malfunctions which have carried out in passed 10 years was given, and according to the systematic parts of fault located, classify the malfunctions, then elaborate their working principle one by one, analyze the regularity and the characteristic of each malfunction, and put forward specific prevention method and measure for the malfunction.

为了使论文更具系统性和实用性，本论文首先介绍了CT设备的发展史，然后比较系统地阐述CT设备的工作原理及系统结构，包括X射线的特性和物质对x射线的吸收规律，CT图像的重建原理，CT设备的软、硬件结构等，最后以我们所使用的2台CT为例，对10余年来所出现的故障进行了全面的统计分析，并按故障所处的系统部件进行分类，然后逐个阐述其工作原理，分析其故障的特点和规律，并就这些故障提出具体的预防方法和措施。

The procedure and content of acceptance check for chemical engineering construction project are introduced systematically.

结合作者的实际工作，总结了对工程建设实施"三道质量控制工序"的经验，强调了过程质量控制的重要性，较为系统地介绍了化工建设项目预验收工作的程序和内

In this paper, the affect of pressure to the synthetic reaction of vinyl acetate was systematically summarized.

介绍了压力对合成醋酸乙烯反应的影响，提出了合成醋酸乙烯系统加压提高收率的实施方法，分析了加压后的经济效益。

The effects of water,free fatty acid,and acetic acid in the reaction system on the reaction were systematically studied.

系统研究了反应体系中的水、游离脂肪酸和乙酸对反应的影响。

In this paper,LCCA was used to systematically analyze the economic and environmental performance of acetylene produced from natural gas.

在成本模型分析的基础上，提出产品绿色因子和绿色比值两个指标，为不同工艺或产品的性能比较提供量化依据。

It is noted that the energy of MLCT excited state can be systematically tuned simply by introducing ancillary acetylide ligand.

其中以脂肪炔为辅助配体的络合物tt6～tt7发光量子产率高达0.30以上，发光寿命长达12μs，这是迄今为止，文献报道室温溶液中发光寿命最长、量子产率最高的三联吡啶Pt络合物。

The water lubricant mechanism of acrylonitrile butadiene rubber beating was analyzed and studied systematically.

应用力化学的观点和原理对丁腈橡胶轴承的磨损机理进行了研究，得出了橡胶轴承磨损过程中表面所发生的主要化学过程。

ABSTRACT In this dissertation, the dynamic process, the constitutive relation and the action between reinforcing steel bar and the concrete are systematically studied on the basis of the former research.

本文在前人研究工作的基础上，对弹体侵彻、贯穿钢筋混凝土的动力学过程、本构模型和钢筋与混凝土之间的作用等问题进行了深入的研究。

Researches on synthesis pathway of plant oil and characteristics of acyl carrier protein gene are summarized systematically.

植物油脂作为主要的食用油，其生物合成途径及相关基因的克隆已成为研究热点。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。