材料

Metal phosphonate coordination polymers have attracted a great deal of research interest due to their structural diversities and many potential applications in catalysis, ion exchange, intercalation chemistry, absorption, proton conduction, photochemistry, and so on.

金属有机膦酸盐配位聚合物因其结构上的多样性以及在离子交换、嵌入材料、吸附材料、质子导电材料、光化学材料和催化材料等领域具有潜在的应用前景，已引起人们的广泛关注。

In this paper, we have investigated the development of organic-inorganic composite PR material, prepared a new organic-inorganic nanocomposite PR material of PVK-CdS/DMNPAT, characterized every component and tested it photorefractivty by two beam coupling experiment.The work of this paper includes mainly three parts as followed:(1) An azo dye DMNPP was prepared via reoxidation and coincidence reaction and its derivative DMNPAT was prepared by attaching a long methacrylate chain in DMNPP.

本学位论文分析了国内外有机无机复合光折变材料的研究现状，根据目前有机无机纳米复合光折变材料研究中存在的问题，依照有机无机纳米复合光折变材料各功能组分的基本要求设计并制备了PVK-CdS/DMNPAT的有机无机纳米复合光折变材料，对各组分的合成表征以及光折材料的光折变性能做了较系统的研究。

In this paper, the research has been given on the double weldable ceramic cutting tool by means of the acoustic microscope .

利用声学显微镜对双层可焊接陶瓷刀具材料进行研究，对双层材料界面及影响材料品质一致性的因素进行了分析，发现了两种材料在界面结合处分布不均匀及成块状分布等现象，并提出了改进材料设计的思路。

It is stressed introducing development and application of SPS in preparing functionally gradient material, thermoelectricity material, ferroelectric material, magnetism material, composite, noncrystal alloy, shape memory alloy, diamond and nanometer material etc.

重点介绍了SPS在制备功能梯度材料、热电材料、铁电材料、磁性材料、复合材料、非晶合金、形状记忆合金、金刚石和纳米材料等领域的应用情况和进展。

MAIN OUTCOME MEASURES: The surface morphology of the films was observed with scanning electron microscopy and atomic force microscopy. The hydrophilicity of native and treated material surfaces was measured using a water contact angle meter. Surface composition was detected with Fourier transform infrared spectrometer. Mass changes measurement was applied to characterize the grafting efficiency.

主要观察指标：通过扫描电镜和原子力显微镜观察材料的表面形态；水接触角测量仪测定材料等离子处理和等离子接枝前后亲水性的变化；傅里叶变换红外光谱仪测定材料的结构变化；通过材料改性前后质量变化分析材料的接枝情况。

Based on the research and review of the norms of surgical gowns and drapes, we compare and analyze the basic requirement and test procedure of the gowns. We test water-repellent treated woven cotton reusable textiles, rechargeable biocidal function polyester/cotton woven reusable textiles, spun-bond polypropylene disposable textiles, water-repellent treated laminate disposable textiles of pulps and polyester with water resistant, physical, comfortable properties testing. We design an abrasion experiment to simulate linting test and evaluate the linting properties of these textiles.

本文对目前国内外主要的手术防护服标准的基本性能测试条款和测试方法及步骤进行了分析，在此基础上，对几种经拒水处理耐久型棉紧密机织物手术防护服材料、经可再生杀菌处理涤棉机织手术防护服材料、纺粘丙纶一次性手术服材料、经拒水处理木浆/涤纶复合水刺一次性手术防护服材料的拒液性能、基本物理性能、舒适性进行了比较测试；同时，本文设计了耐磨实验来模拟掉毛实验，通过失重率来评价这些材料的掉毛性能。

Lycopene content of 33 watermelons materials involved in different flesh color and ploid were determinated by Spectrophotometry in this experiment,the results showed that: lycopene content of the white flesh of watermelon was lowest,the highest content was dark red flesh,among white flesh,orange flesh,golden yellow flesh,pink flesh,red and dark red flesh of watermelon material,There was a positive correlation between lycopene content and flesh color.

采用分光光度法对33个西瓜材料进行茄红素含量的测定，材料涉及不同的瓤色和倍性。结果表明：在白瓤、橙黄瓤、金黄瓤、粉红瓤、红瓤和深红瓤的西瓜材料之间，白瓤西瓜茄红素含量最低，深红瓤西瓜含量最高，茄红素的含量与瓤色大致成正相关。其中深红瓤二倍体西瓜材料中S292、VS8-44的茄红素含量比较高，分别为6.372 mg/100g鲜重和6.350 mg/100g鲜重，三倍体材料中最高的是VS6-19，茄红素含量为6.684 mg/100g鲜重。

This article aims to explore the basic principles and methods in writing online learning resources. It is divided into four parts. The first part introduces the characteristics and significance of online learning resources. The second part elaborates the basic principles in terms of choice, writing, organization, layout, presentation of the learning content. The third part describes how to write online learning resources including use of language, rubrics and graphics, etc. The fourth part describes the uses of the principles through a case study.

本文的目的是介绍和探讨网上学习材料撰写的基本原理和方法，文章分为四个部分：第一部分说明网上学习材料撰写的特点和重要性；第二部分阐述网上学习材料撰写的基本原理，从学习内容的编排、学习内容的撰写、学习内容的选择、学习内容的组织、学习内容的呈现五个方面进行了分析；第三部分描述网上学习材料撰写的方法，包括语言使用、动词使用、图表使用等；第四部分通过案例，描述网上学习材料撰写的原理和方法的实际应用。

Exhibition of building materials has住交会professional areas: Bath kitchen products, new building materials, indoor decorative materials products; paving materials, stone, wall wall materials, various types of doors and windows, architectural glass, coatings and other chemicals.

展览的建筑材料已住交会专业领域：浴厨房产品，新型建筑材料，室内装饰材料产品；铺路材料，石材，墙墙体材料，各种门窗，建筑玻璃，涂料和其他化学品。

2 Removal of 39.1 Improper Work, Materials or Plant The Engineer shall have authority to issue instructions from time to time, for: the removal from the Site, within such time or times as may be specified in the instruction, of any materials or Plant which, in the opinion of the Engineer, are not in accordance with the Contract, the substitution of proper and suitable materials or Plant, and the removal and proper re-execution, notwithstanding any previous test thereof of interim payment therefore, of any work which, in respect of materials, Plant or workmanship, or design by the Contractor or for which he is responsible, is not, in the opinion of the Engineer, in accordance with the Contract.

工程师有权随时发出指令：在指令规定的时间内一次或分几次从现场运走工程师认为不符合合同规定的任何 34 不合格工 39.1 程，材料或设备的拆除和运走材料或设备；用适用合格的材料或设备取代原来的材料或设备；对尽管先前已进行过检验或中间支付，但工程师认为材料，设备或施工工艺，或由承包人本身进行的或由其负责设计的不符合合同规定的工程拆除并重新施工。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。