查询词典 composite hypothesis

Materials and methods: Twenty pairs of test and control restorations were placed in 17 patients. The test group was used packable composite resin(P-60, 3M) and the control group was used universal composite resin (Clearfil AP-X, Kuraray).

材料、步骤和方法：将符合纳入标准的17名患者的20对后牙随机分为两组，A组采用P60复合树脂和Adper Prompt自酸蚀粘接剂修复，B组采用Clearfil AP-X复合树脂和Clearfil Se Bond自酸蚀粘接剂修复。

The properties of the composite particled were characterized by TEM and FTIR.In addition,the thermal properties of the composite material were investigated by thermogravimetric analysis.

采用透射电子显微镜和红外光谱仪对复合粒子的性质进行了表征，利用热重分析仪器对复合粒子的耐热性能进行了研究。

The invention relates to a fabric nanometer following cleaning agent for obtaining TiO2/ZnO composite hydrosol, and relative production and cleaning method, wherein it uses butyl titanate and zinc acetate as predecessor, uses glacial acetic acid as catalyst and peptizer, uses water as solvent, uses absolute ethyl alcohol as the solvent of butyl titanate, and uses ethanolamine as deposit agent and supplies OH-, to be hydrolysed and polycondensated to form TiO2/ZnO composite hydrosol. And its components and mass percents are: butyl titanate at 1-15%; zinc diethyl at 1-12%; absolute ethyl alcohol at 1-20%; glacial acetic acid at 5-15%; and aminoethyl alcohol at 0.1-5%, and the left is water. The invention has lower cost and simple process.

本发明涉及一种可以得到TiO 2 /ZnO复合水溶胶的纺织品纳米后整理试剂及其制备工艺及对织物的整理方法，以钛酸丁酯和乙酸锌为前驱物，冰乙酸为催化剂和胶溶剂，水为溶剂，无水乙醇为钛酸丁酯的溶剂，乙醇胺为沉淀剂并提供OH -，经过水解、缩聚反应形成的TiO 2 /ZnO纳米溶胶整理剂，其组分和重量百分比含量如下：钛酸丁酯占1～15％；二水乙酸锌占1～12％；无水乙醇占1％～20％；冰乙酸占5％～15％；乙醇胺占0.1％～5％；水余量，具有耐洗性、无毒、无刺激、成本低廉、制作工艺简单可靠的优点，可实现对对织物的抗紫外、抗菌、抗静电功能整理。

The paper expatiated the physical characters and mechanical performances of the composite material slabs synthesized by one, two, three or four minerals namely mica, mica + calcite, mica+ pyrophyllite + calcite or mica + calcite + pyrophyllite + periclase. It is concluded that the quality of the composite material consist of multiple minerals is better than the single material.

因此 ，国内外常利用金属纤维、有机增强纤维(碳纤维、木质素纤维、聚丙烯纤维)和无机矿物(玻璃纤维、岩棉、海泡石纤维、硅灰石纤维)来替代石棉材料，用于生产摩擦材料和高档保温材料 [1-2 ]。

Pilot-plant test for synthesis of poly/attapulgite superabsorbent composite was carried out using acrylic acid and attapulgite as main raw materials,N,N′-methylene-bisacrylamide as crosslinker and composite composed of V-50 and ammonium persulphate as initiator by solution polymerization in a 100 L pilot-plant test equipment.

在100 L的中试设备上，用水溶液聚合法，以丙烯酸和凹凸棒黏土为主要原料，以N，N-亚甲基双丙烯酰胺为交联剂，V-50和过硫酸钾复配作为引发体系，进行了聚丙烯酸/凹凸棒复合保水剂的中试放大实验。

Aiming at the quality of copper(HSn-70A),the corrosion inhibition capacity of single PESA is studied. Its composite prescription is developed. The optimum composite scheme is selected as 10 mg/L PESA+ 0.5 mg/L BTA+2 mg/L Zn2++ 10 mg/L sodium gluconate. The corrosion rate of copper is only 0.000 5 mm/a under this condition.

针对凝汽器铜材质(HSn-70A)研究了单一聚环氧琥珀酸的缓蚀性能，开发了与之复配的复合配方，筛选出的最佳复配方案为10 mg/L PESA＋0.5 mg/L BTA＋2 mg/L Zn2+＋10 mg/L葡萄糖酸钠，在此条件下铜的腐蚀率仅为0.000 5 mm/a。

To improve the photoemissive sensitivity of nanoparticle composite photoemissive thin film and to fill the blank of rare earth application research in the field of photoemissive material, the rare earth elements are introduced into nanoparticle composite photoemissive thin film in the first time.

本文以纳米粒子复合光电发射薄膜需要进一步提高光电灵敏度为出发点，以稀土元素独特的性质及其应用研究在光电发射材料方面的空白点为切入点，首次将稀土元素引入到纳米粒子复合光电发射薄膜中，对现有的纳米粒子复合光电薄膜的光电发射性能进行改善和提高。

Compared with the composite flocculant of WuHan petrochemical factory, its capability is superior to it: the efficiency of eliminating CODCr and SS are 28.75%and 8.29% respectively higher than those by flocculant of WuHan petrochemical factory, but the cost is46.63% lower; which is also far lower than the current average cost of petrochemical industry wastewater treatment. When dealing with papermaking wastewater, it can fully meet the require that WuHan ChenMing paper industry group put forward: The efficiency of eliminating CODCr higher than 25% based on the chemical cost controlled in 0.5 Yuan/ton sewage so as to better the gas float section. Those studies preparatorily show that this composite flocculant has particular effect and obvious economic、environmental benefit in industrial effluent treatment

其在处理石化废水时性能优于青山石化厂的复合絮凝剂，CODCr和SS的去除率分别提高了28.75%和8.29%，处理成本下降了46.63%；且远低于我国目前平均2.80元/的石化废水处理成本；其在处理造纸废水时，可完全达到武汉晨鸣纸业集团所提出的：药剂成本控制在0.5元/以内、CODCr去除率在25%以上的气浮工段改进要求，初步显现出该复合絮凝剂在工业污水处理中的独特作用及明显的经济与环境效益。

A model describing the relationship between recovery stress and temperature is developed based on the modified Clausius-Clapeyron equation. A composite model based on the Tanaka model is used to calculate the thermal expansion strain of composite, and the relationship between the martensitic fraction and temperature. Results show that this relationship is nonlinear, affected by prestrain and the heating-cooling history.

利用Tanaka模型以及在Tanaka模型基础上所建立的复合材料的模型，分析了TiNi合金丝/Al基复合材料的热收缩应变，以及复合材料中TiNi合金丝发生逆相变过程中马氏体分数与温度的关系，结果表明马氏体分数与温度之间的关系并非近似线性，而是随着预应变的不同、加热冷却过程的不同而变化的，在具体的使用时应根据不同的情况具体分析。

The database was composed of 18 dental treatments from January 1988 to December 2004. The 18 dental treatments included in this study as following: Amalgam fillings (single-, double-, and triple-surface), composite resin fillings of anterior teeth (single- and double-surface), composite resin fillings of posterior teeth (single-, double-, and triple-surface), glassionomer fillings, endodontic treatment (single-, double-, and triple-root), pulpectomy, full mouth scaling, simple tooth extraction, complicated tooth extraction, simple odontodectomy, complicated odontodectomy.

本研究以牙医十八项医疗项目为对象，资料来自中华民国牙医全联会所提供之健保申报资料档，共包含银粉填充、前牙复合树脂、后牙复合树脂、玻璃离子体填充、恒牙根管治疗、乳牙根管治疗、牙结石清除、简单性拔牙、复杂性拔牙、单纯齿切除术、复杂齿切除术等十八项。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。