查询词典 gypsum

FIBROUS GYPSUM PLASTERWORK CEILINGS.

纤维状石膏天花板。

Ball-like hematite, platy calcite and wadding gypsum are dust minerals with typical micrographs.

球形赤铁矿、板状方解石和絮状石膏是本研究中观察到的3种典型矿物微形貌。

A counter-current multistage leach ing process has been analyzed and used to leach potassium from roasts of potash feldspar, gypsum and calcium carbonate to increase the potassium recovery and the potassium sulfate concentration in the filtrate of the first stage.

采用多级逆流浸取操作方式以提高钾长石热分解烧成物浸取液中硫酸钾的浓度和浸出率，在对浸取过程进行分析和合理假设的基础上对过程进行了数学描述，建立了浸取过程相应参数的计算式。

Raymond Red Star machines widely used in production of barite, calcite, potash feldspar, talcum, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, swelling earth, kaolin, cement, phosphate rock, gypsum, glass, insulation materials, etc. Mohs hardness is not greater than 9.3 and humidity below 6% of non-inflammable mineral, chemical and construction industries more than 280 kinds of materials of high fine flour processing, particle size 80-325 mesh finished products within the scope of arbitrary regulation, part of the material up to 600 mesh.

红星机器生产的雷蒙磨广泛适用于重晶石、方解石、钾长石、滑石、大理石、石灰石、白云石、莹石、石灰、活性白土、活性炭、膨润土、高岭土、水泥、磷矿石、石膏、玻璃、保温材料等莫氏硬度不大于9.3级，湿度在6%以下的非易燃易爆的矿产、化工、建筑等行业280多种物料的高细制粉加工，成品粒度80—325目范围内任意调节，部分物料最高可达600目。

By-product is gypsum slurry, which is transported to the dewatering system consisting primary and secondary dewatering stages.

石灰浆液制备系统的功能是准备工艺流程中所需的吸收剂。

Use of new materials, new technology, the new formula, successfully developed a drug-free imports of polymer materials, gypsum-based environmental campaign joints powder, Goufeng powder, putty powder, fill our decorating materials sector a big blank, And adopted the designated testing organizations detection, green building materials obtained state certification.

采用新材料、新工艺、新配方，成功研制开发了以进口无毒高分子材料、石膏为基础的环保系列接缝粉、勾缝粉、腻子粉，填补了我国装潢材料界的一大空白，并通过了国家指定检测机构检测，同时获得了国家绿色建材认证。

The tests study influence of L retarder on setting time, hydrating characteristics and setting strength of building gypsum in comparison with effective result of often used retarder－ citric acid and sodium pyrophosphate.

研究了L缓凝剂对建筑石膏的凝结时间、水化特点以及硬化体强度的影响，并与常用的缓凝剂—柠檬酸、焦磷酸钠的作用效果进行了对比。

The preparation process of modified quicklime are studied. The advantage of process is that milling cost reduces, the fine of phosphorus gypsum increases, construction is simplified, environment waste falls.

本文研究了改性生石灰的配制工艺，认为此工艺的优点在于不仅可以降低粉磨能耗，提高磷石膏的细度，激发其活性，而且还能简化施工工艺流程，降低环境污染。

The results showed that under a given delayed coagulant , water retentiveness and cohesive strength of stucco gypsum mixed with modified bentonite were higher than that of methyl cellulose .

试验表明，在缓凝剂掺量一定时，单掺改性膨润土的粉刷石膏加水拌合后，其保水性，强度和黏聚性等各项性能指标，均优于掺有甲基纤维素的粉刷石膏，文中还对保水机理进行了分析。

Taiyuan can be rich in minerals, mainly iron, manganese, copper, aluminum, lead, zinc and other metal ore and coal, sulfur, gypsum, vanadium, saltpeter, fire-resistant clay, silica, limestone, dolomite, sand stone, such as the United States and non-metallic minerals.

太原矿藏堪称丰富，主要有铁、锰、铜、铝、铅、锌等金属矿和煤、硫磺、石膏、钒、硝石、耐火粘土、石英、石灰石、白云石、石美砂等非金属矿。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。