查询词典 gypsum

The influence of activator on strength and free linear dilatability and sulfate resistance of chemical waste gypsum - fly ash new road building material as well as action of water reducer are studied.

研究了激发剂对化工废石膏—粉煤灰新型道路建筑材料的强度和自由线膨胀率等性能的影响，以及减水剂的作用和新型道路建筑材料的抗硫酸盐侵蚀性能等。

Mineral resources of dolomite, gypsum, mica, copper, and coal.

矿产资源有白云石、石膏、云母、铜、煤等。

Millions of tons of Chinese drywall, or gypsum board, were imported into the U.S.

2004年至2007年建筑高峰期之时，数百万吨的中国石膏板进口到美国。

Drywall, wallboard or gypsum are just a few of the many names this common building material is referred to.

干壁，石膏墙板或仅仅是少数几个有许多名字这一共同建设材料被称为。

The developing principle of MB gypsum fine foamer which takes compound honey-locust abietic acid anionic surfactant as principal composition,is analyzed in theory.

从理论上分析了以复合型皂角松香酸类阴离子表面活性剂为主要成分的MB石膏微发泡剂的研制原理，详细研究了MB微发泡剂在石膏料浆中的起泡条件、起泡性能及其对硬化后的建筑石膏物理力学性能的影响，MB微发泡剂与现有发泡剂的性能比较，MB微发泡剂在纸面石膏板中的应

He examined fossilized remains in a piece of gypsum found on the bottom of the Mediterranean Sea.

他在研究化石的石膏对地中海底部找到一块。

Rumours of the existence of a giant gypsum geode had been circulating among mineral collectors since December.

存在巨大石膏晶洞的传闻从12月以来就在矿物收藏家之间不胫而走。

Because of the chief equipment and technic are mostly imported from the abroad presently. It is necessary to lucubrate oxidation mechanism of calcium sulfite and the main influencing factors in the oxidation of calcium sulfite, which are valuable for accelerating the oxidation Rate, consummating academic basic of lime stone-gypsum FGD and optimizing technical process A simulate equipment has been designed based on the theory of geometrical comparability which is reduced scale in geometric proportion to the 300MW capacity.

目前我国的湿式石灰石–石膏法设备和技术均从国外引进，因此深入研究脱硫过程中亚硫酸钙的氧化机制和影响亚硫酸钙氧化的主要因素，对提高氧化速度、完善湿式石灰石–石膏法脱硫技术的理论基础、优化烟气脱硫工艺过程具有重要的价值。

Yumen is the cradle of China's petroleum industry, with the exception of the rich oil resources, there are coal, Glauber's salt, gypsum, barite, corundum, gold, iron, manganese and other mineral resources.

玉门是中国石油工业的摇篮，除丰富的石油资源外，还有煤炭、芒硝、石膏、重晶石、金刚砂、金、铁、锰等矿产资源。

Mass is rich in minerals have been found in more than 40 kinds of industrial value, such as chromite, copper, iron, lead, zinc, antimony, and borax, salt, Glauber's salt, gypsum, arsenic mine and so on.

地下矿产十分丰富，已发现有工业价值的40余种，如铬铁矿、铜矿、铁、铅、锌、锑及硼砂、盐、芒硝、石膏、砷矿等。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。