耐久的

The research result shows that the flowability, moldability, cohesiveness of high performance concrete of hill sand are significant by comparison with ordinary concrete on mechanical properties, long term properties, and durability. Motar flowability decreases with the increase of single-mixed active additive. The flowability can be largely improved by double mixing of active additive and super plasticizer NF. This is because not only the active additive has filling effect but also the dispersing effect induced by surface action between additive and super plasticizer NF. And the optimal content of materials are: super plasticizer NF≥0.8%, fly ash 20%, PS 20~30%,zeolite powder≤20%,SF 5~8%; The negative influence of hill sand powder should be avoided by controlling of powder content and the use of active additive and super

研究表明：随着单掺活性掺合料掺量的增加，砂浆流动性减小，活性掺合料与萘系高效减水剂NF双掺使用，比使用同样剂量萘系高效减水剂NF的基准浆体流动性明显增大，这是由于玻璃体材质活性掺合料不仅有填充效应，更主要的是它与高效减水剂之间的表面物化作用产生了分散性，而活性掺合料对浆体的流化作用效果主要是依赖于其分散性；能有效改善胶砂流动性的适宜掺量为：萘系高效减水剂不小于0.8%，粉煤灰掺量为20%，PS掺量为20~30%，沸石矿粉掺量不宜大于20%，SF掺量为5~8%；通过对粉末含量的限制，并借助活性掺合料、高效减水剂的合理使用，就可以避免山砂粉末含量的负面影响，配制出密实度高，抗渗性能优异，具有良好的耐久性能，并具有良好的体积稳定性的山砂高性能混凝土。

Protect your Cell Phone's LCD screen against dust and scratches and eliminate glare Designed for perfect fit with the LCD screen Offers tough, durable, transparent surface while keeping the LCD screen clean and unscratched Attaches smoothly with self-adhering surface; leaves no residue when removed Features 99% UV Protection: Reduces eye strain caused by the LCD screen Anti-Scratch Film: thickest and most durable 99% Transparent: unmatched clarity Washable and Reusable: Never need to buy another screen protector again Silicone Adhesive Coating: No glue residue when removed Ultra Smooth Surface: Enhance the experience and utilization of touch screen and stylus features Includes Reusable Screen Protector Lint-free Cleaning Cloth Accessory ONLY.

保护您的手机的液晶显示屏对灰尘和划痕，消除眩光专为完美配合液晶屏幕提供坚韧，耐久，透明的表面，同时保持液晶屏幕清洁和刮痕使节顺利与自我坚持表面；留下任何残留物时，删除功能99％紫外线防护：减少眼睛疲劳引起的液晶屏幕防划伤薄膜：最厚，最持久的99％，透明：无与伦比的清晰可清洗和重复使用：永远不需要再购买另一屏幕保护有机矽粘合剂涂料：无残留胶时取消超光滑表面：加强经验和利用触摸屏和手写笔功能，包括可重复使用的屏幕保护林特免费清洁布配件只。

In this paper the author overviews mass magnesia concrete dam thchnical origin, the present status here and abroad, and available primal problems; descripts theexpansive character of magnesia concrete, fundamental force performances and long-term lasting quality, derivates all the equations of temperature field and temperature stress field, analysises the existing canonic calculating autogenous volume deformation model of the micro-expansive concrete, at last select the expansion model of dynamics for calculating.

本文综述了大体积混凝土氧化镁筑坝技术的由来、国内外研究现状、优势及存在的主要问题；叙述了掺氧化镁微膨胀混凝土的膨胀特点、基本力学性能及长期耐久性能；推导了计算温度场及温度应力场的全部公式。对现有计算氧化镁混凝土自生体积变形的几个典型模型进行了深入的研究和分析，阐述了它们各自的优缺点，最终选定动力学模型作为计算氧化镁混凝土自生体积变形的数学模型。

FanGong lingshan, break through the traditional architectural form of such strong endurance in stone materials, a large number of applying tall, big span of beam-column colonnaded high dome, and the hall of both reflect the Buddhism and sublime, and profound traditional culture elements with distinctive features.

灵山梵宫的建筑形式突破传统，以石材等坚固耐久材料为主，大量运用高大的廊柱、大跨度的梁柱、高耸的穹顶、超大面积的厅堂等，既体现佛教的博大精深与崇高，又将传统文化元素与鲜明时代特征相融合。

With the fast development of our national economy, highway traffic flow and highway mileage is sharping incrasing. At the same times, highway grades are gradually transitted from low to high. Therefore, the road must be met a higher quality requirments. Besides it has the fuctionof stability, easement, stabilization, waterproofing, durability and other basic requirments, and it must aiso have a high standard of smoothness and anti-slide pile.

近年来随着我国经济的迅速发展，公路里程的逐年增加，公路交通量迅速发展，公路主体等级也在由低向高逐渐地过渡，人们对路面质量提出了更高的要求，在路面具备坚实、平顺、稳定、防水、耐久等基本要求外，增加了高标准的平整度和抗滑性能要求。

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。

Durable and water-repellent polysiloxane softeners are urgently needed auxiliaries by the textile industry recently. Their action mechanism, the preparation and application of this kind of auxiliaries are given and analyzed in the related course.

耐久型和拒水型有机硅柔软剂是一种新型的柔软剂，其制备过程和在纺织品上的应用在本章节的讲授中将予以详细的讲解分析。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐