查询词典 cement

Experiment studied the possibility of substituting Portland cement for alumina cement to make low cement castable refactory. The results indicated that Portland cement may definitely substitute the alumina cement to make low cement castable with good performance, within the scope of low cement content of the modern low cement castable system.

试验研究了硅酸盐水泥替代矾土水泥制造低水泥耐火浇注料的可能性，结果表明在低水泥掺量的现代低水泥耐火浇注料体系中，硅酸盐水泥完全可以替代矾土水泥配制性能良好的低水泥耐火浇注料。

Investment project of municipal government of Tongliao Trade: building material industry No: 028 Project name Unique cement producing line Cooperation Mode Joint-venture cooperation individual Sum- mary Products Scheme Scale of Operation Forecasting Scales The need of cement is balanced at present, but the special cement (white cement, cement for dam, cement for road) of it is hard-to-get, the condition of it is advanced, the resources of the limestone for producing cement is one billion in Kulun County, and the calcium percentage is over 53%. The resource for producing cement of it will be one hundred million tons in the zone of project. The traffic and electricity power system for the project is plenty.

通辽市人民政府招商引资项目行业：建材 No：028 项目名称特制水泥生产合作方式合资、合作、独资均可项目概述产品方案经营规模销售预测目前，水泥市场呈供求平衡态势，但特种水泥（白水泥、大坝水泥、道路水泥）供应偏紧，而且对原材料的要求极高，库伦旗境内用于生产水泥的石灰石储量达10亿吨，CaC含量达53%以上，项目区符合生产特种水泥的石灰石储量达亿吨以上，项目区内交通便利，电力供应充足。

ABSTRACT Purpose By adding additives in carbonated hydroxyapatite cement to increase its rheology to prepare injectable carbonated hydroxyapatite cement.(1) Test the physicochemistry characteristics of ICHA cement.(2) Evaluate the biocompatibility of ICHA cement.(3) Biomechanieal appreciation of ICHA cement used in distal radius fracture.(4) Study the mechanical stability, degradation and bone formation ability of ICHA cement used in goat lateral tibial plateau compression fracture.

目的 在碳酸化羟基磷灰石(Carbonated hydroxyapatite，CHA)水泥原位固化基础上进行改性研究，通过改变其流变学特性，达到具有良好注射性能的可注射性碳酸化羟基磷灰石(Injectable carbonated hydroxyapatite，ICHA)水泥，为骨科的微创治疗提供新方法：(1)制备ICHA水泥，完成理化性质的检测；(2)进行ICHA水泥的生物相容性评价；(3)探讨ICHA水泥在桡骨远端骨折应用的生物力学固定强度；(4)研究ICHA水泥在实验性大动物胫骨平台压缩性骨折中应用的力学稳定性、降解性能及成骨性能。

Watering concrete curing time, the introduction of Portland cement, ordinary portland cement or slag cement concrete mixing shall not be less than 7d; retardation of mixed type with admixtures, the impermeability requirements, or ash cement, fly ash cement concrete mixing shall be not less than 14d; of mixing using alumina cement concrete not less than 3d.

混凝土的浇水养护时间，对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的混凝土不得少于7d；对掺用缓凝型外加剂、有抗渗性要求、或用火山灰水泥、粉煤灰水泥拌制的混凝土不得少于14d；对采用矾土水泥拌制的混凝土不少于3d。

Cement machines series ----- universal testing machines, presses, reinforced RBI machine, punch cold-formed steel hinge line fixture, cement mortar tap Taiwan, cement mortar mixer, electric bending machines, boiling cooking me , Cement mobile device, On-Screen vacuum cement, cement conservation me, in the dry box, single-lying compulsory mixer, Serratia folder detector, the box's electric furnace, the proportion of mud, viscosity instrument, in terms of specifications Model Test equipment.

水泥仪器系列-----万能材料试验机、压力机、钢筋打点机、冷弯冲头、钢铰线夹具、水泥胶砂振实台、水泥胶砂搅拌机、电动抗折机、沸煮箱、水泥流动仪、水泥负压筛析仪、水泥养护箱、于燥箱、单卧强制搅拌机、雷氏夹测定仪、箱氏电炉、泥浆比重计、粘度仪、含量计、各种规格型号试验仪器。

Chang-li cement plant has a storage capacity of 100 million tons of limestone mines, with the United States has 3800-watt Cummins generator sets, according to the international ISO9002 enterprise management, production of high quality international brands of cement, the main products have Albans licensing, the licensing sheep (Canton Cement cement plant in cooperation with Chang-li)(pre-production of international brands licensing wuyang cement) 325 bags of cement, exports to Hong Kong products in the Pearl River Delta Region and other places.

长利水泥厂拥有储存量1亿吨的石灰石矿山，配备有3800瓦美国康明斯发电机组，企业按国际ISO9002管理，生产高质国际名牌水泥，主要产品有奥尔牌，金羊牌(广州水泥厂与长利水泥厂合作)(前期生产国际名牌五羊牌水泥)325袋装水泥，出口香港，产品畅销于珠江三角地区等地。

They used limestone of different quality and large-fluctuant-range waste stone in proportion and substituted a part of clay with clay stone to produce cement. And the physical performance of the produced Portland cement was improved greatly-28 d strength increased from 50.4MPa to 54.5MPa, and output of the rotary kiln increased. Moreover, the company also tried to use green shale as admixture to produce compound cement and successfully produced compound Portland cement with a little low early strength and a little higher 28d strength than slag Portland cement. And the cement cost decreased 19.59 yuan per ton.

将CaO含量波动范围较宽的废石与不同品位石灰石按比例搭配使用，将其粘土质特性的废石替代部分粘土生产；而且生产的硅酸盐水泥熟料物理性能有较大提高，28d强度由原来的50.4 MPa提高到54.5 MPa，窑产量也有一定的提高；此外，该公司还进行了将绿色页岩作混合材生产复合水泥的生产探索，成功生产出了早期强度略低，但28d强度略高于矿渣硅酸盐水泥的复合硅酸盐水泥，且使水泥生产成本降低19.59元/t。

Directed against the existing problems in traditional mixing process, secondary mixing techniques, such as pre-mix cement mortar, pre-mix cement paste, sand enveloped with cement paste, coarse aggregate enveloped with cement paste and aggregate enveloped with cement paste are discussed, and the effect of different mixing technological processes on concrete mixing quality is studied. The homogeneousness, compression strength of concrete and the power consumption are tested during the test, and compared with the traditional mixing method.

针对传统混凝土搅拌工艺中存在的问题，讨论了先拌水泥砂浆法、先拌水泥净浆法、水泥裹砂法、水泥裹石法、粗细骨料全造壳法等二次搅拌工艺，研究了不同工艺流程对混凝土搅拌质量的影响，测试了不同条件下混凝土的匀质性、抗压强度指标及功率消耗，并与传统搅拌工艺进行了对比试验。

In order to further cement enterprises in China to provide better products and services, China and the United States in 2003 in Xuzhou Xuzhou established Shipton Cement Additives Co., Ltd., the company will be better able to set up the face of China's cement clinker and cement composition grinder diversity of the actual situation of research and development suitable for the production of cement enterprises in China to enhance and to mention the actual production-type aids Products.

为了进一步给中国水泥企业提供更优质的产品和服务，中美双方于2003年在苏州建立了苏州希普水泥助剂有限公司，该公司的设立将能更好地面对中国水泥熟料成份和水泥磨机多样性的实际情况，研究开发出适合于中国水泥企业生产实际的增强和提产型助磨剂产品。

5The failure strains of cement-soil are calculated, and initial tangent modulusand average deformation modulus of cement-soil with same cement mixing content arecalculated. Then fit them with strength. The relation between ultimate deformationmodulus and strength, cement-soil of same curing period, is fitted too. The conclusionis that deformation modulus of cement-soil with some stock-still time are close to thesewhich compacted without stock-still time.

5计算分析了水泥土的破坏应变；计算了相同水泥掺入比水泥土的初始切线模量和平均变形模量，将它们与抗压强度的关系进行拟合，将同龄期水泥土的极限变形模量与抗压强度进行拟合，结果表明，一定静置时间的水泥土的变形模量与t=0h的水泥土的变形模量相差不大。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"