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The results show that: the fillers of SiO_2 based investment consist of SiO_2,Al_2O_3 and MgO,and the binder is NH_4H_2PO_4;for SiO_2 based investment,the bulk density and the compression strength decrease,the apparent porosity and the thermal expansion increase,when the specimens are heated to 900 ℃;the fil.

结果表明：氧化硅系包埋料的骨料是氧化硅、氧化铝、氧化镁，结合剂为磷酸二氢铵，其900℃煅烧后显气孔率增加，体积密度下降，耐压强度降低，热膨胀增大；氧化铝系包埋料的骨料是氧化铝和氧化镁，结合剂为磷酸二氢铵，其900℃烧后显气孔率增加，体积密度下降，热膨胀变化不大；氧化镁系包埋料的骨料是氧化镁和氧化铝，结合剂是铝酸钙水泥，其900℃烧后耐压强度明显降低，热膨胀明显增大。

In this study, BADH, gene encoding the key enzyme in betaine biosynthesis, which was isolated from Atriplex hortensis, and SeNHX1, a vacuole Na+/H+ anitiporter in Salicornia europhaea L., were used to transform the tobacco to improve the salt tolerance.

本研究拟用耐盐性较强植物山菠菜中的甜菜碱合成关键基因BADH和盐生植物盐角草的液泡膜Na+/H+ anitiporter基因SeNHX1对模式植物烟草进行转化，以确定其各自在耐盐性方面所起的作用。

Water resistant plasterboard: its core board and protective paper is waterproof, according to gb, water resistant plasterboard of face plate cores and all must meet waterproof demand (surface water quantity is not more than 160 grams, bibulous rate is no more than 10%).

耐水纸面石膏板：其板芯和护面纸均经过了防水处理，根据国标的要求，耐水纸面石膏板的纸面和板芯都必须达到一定的防水要求（表面吸水量不大于160克，吸水率不超过10％）。

Its characteristic is: Have good bibulous performance and ventilated property, actual hea

其特征是：有良好滴吸水质量和透风质量，事实换热辐面靠近表辐面的100倍；材质壮实、耐水浸泡而非改变现状；耐侵蚀，正常应用寿运可达到五年，能够达到和实现低于外面4℃-10℃的降冷作用，同时对空气air中的微尘具备良好滴筛选质量，可自行诘淨，因此完成诘白与降冷的作用。

Product is tetrafluoroethylene - perfluoroalkyl vinyl ether polymer resin by extrusion, blow molding expansion of heat shrinkable tubes, heat shrinkable tube temperature is -80 ℃~ 260 ℃, shrinkage temperature of 180 ℃-250 ℃, the general shrinkage of 30%, it has no viscosity, heat, weathering, corrosion resistance, anti-fouling, and high electrical insulation properties, is a steel bar rubber and silicone rubber coated roll the ideal casing, may be extended roller life, reduced wear and tear, widely used in chemical industry, electroplating, pharmaceutical, printing, papermaking and other fields.

本产品由四氟乙烯－全氟烷基乙烯基醚聚合物树脂经挤出、吹胀成型的热收缩管，热收缩管使用温度为-80℃～260℃，收缩温度为180℃-250℃，收缩率一般为30%，它具有不粘性、耐热、耐候、耐腐蚀、防污和电高绝缘性能，是钢棒橡胶和硅橡胶辊理想的包覆套管，可延长辊筒寿命、减小损耗，广泛地应用在化工、电镀、制药、印刷、造纸等领域。

Good design skills help to sell more books. My business experience helps me runthe art department in a costefficient manner, thus saving the company

我对这个行业里的其他公司不感兴趣，我想在耐克公司工作是因为我曾穿着耐克牌的产品，在多次赛跑中获胜。

The sensitivity rate of Polymyxin B、aminoglycoside antibiotics and ciprofloxacin are higher than other antibiotics.

探讨整合子携带的耐药基因盒是否介导铜绿假单胞菌对IPM的耐药。

Melamine is an important organic chemical intermediate products, mainly used to produce melamine resin, have excellent water resistance, heat resistance, arc resistance, and excellent fire retardant.

三聚氰胺是一种重要的有机化工中间产品，主要用来制作三聚氰胺树脂，具有优良的耐水性、耐热性、耐电弧性、优良阻燃性。

Civilian in the original stainless steel towers, automatic non-tower water, and 3 tons of plastic cans, multi-purpose section of coal on the basis of±·developed a fairly competitive market, to overcome the concrete, steel, glass and other material for a new type of defect super-large equipment storage. 1-300 tons of wide import modular stainless steel water tank, 3-full-import 30 tons of polyethylene plastic cans; products with anti-acid-base, corrosion-resistance, resist aging, no peculiar smell, not long moss, eliminate sterilization, handsome in appearance, sanitation, any combination of a combination of hot and cold, seismic cracking, corrosion resistance strong, anti-ultraviolet, green environmental protection, impact resistance, the unique advantages such as shortening the construction period; widely used in food, medicine, textile, printing and dyeing, chemical, paper, porcelain , electronics, construction site, yard, distillery, buildings, fire and big hotels, water treatment, pure water plant and other industries.

在原有民用不锈钢水塔、全自动无塔供水器、3吨以下塑胶罐、多功能节煤炉的基础上，厚积薄发，研制出颇具市场竞争力，克服混凝土、钢板、玻璃等材料缺陷的新型供储水超大型设备。1-300吨全进口模块化不锈钢水箱，3-30吨全进口聚乙烯塑胶罐；产品具有抗酸碱、耐腐蚀、拒老化、无异味、不长苔、灭杀菌、造型美观、清洁卫生、任意组合、冷热兼用、抗震防裂、耐蚀性强、抗紫外线、绿色环保、耐受撞击、缩短工期等独特优点；广泛使用于食品、医药、纺织、印染、化工、造纸、瓷厂、电子、工地、料场、酒厂、楼群、消防、大酒店、水处理、纯水厂等行业。

Shanghai Sinopolymer Chemical Material Co., Ltd. is a professional supplier to floor materials and engineering service, mainly undertaking application of special floor materials and of refurbishment/reflooring old floor ,such as epoxy coatings, anti-static coatings, corrosion protection coatings, fireproofing coatings, etc.

上海司诺普化工材料有限公司是一家专业的地坪材料与工程服务供应商，主要承揽各类特种地坪材料的施工及旧地面翻修工程施工，如环氧地坪涂料系列、防静电涂料系列、耐腐蚀涂料系列、防火涂料系列、耐蚀系列树脂材料等产品。。。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！