查询词典 bauxite

To study the sweetening process of diasporic bauxite,Al3 obtained from the direct carbonization of unrefined sintering solution was used as the additive and its performance was compared with that of the conventionally used gibbsite .

分别以烧结法粗液直接进行深度碳分所得到粗氢氧化铝和工业上常用的三水铝石矿作为添加剂，进行了一水硬铝石矿增溶溶出过程的对比研究，主要考察了增溶温度、添加剂添加量和增溶时间等因素对溶出效果的影响，同时对增溶溶出矿浆与常规拜耳法溶出矿浆的沉降性能进行了对比研究。

Although bauxite reserves are abundant, but most belong to a diaspore ore, leaching poor, and the Al-Si ratio is low compared with foreign gibbsite, in the recovery of alumina, alkali consumption and overall energy consumption there is a wide gap.

铝土矿储量虽然丰富，但多数属于一水硬铝矿石，浸出差，铝硅比低，与国外相比，在三水铝石氧化铝回收率，碱耗和综合能耗，有很大的差距。

Third world countries including Jamaica, Surinam, and Guyana supply almost 90% of developed nation imports of bauxite

第三世界国家包括牙买加、苏里南和圭亚那几乎提供了发达国家铝土矿进口的90%。

350Mpa . And they are widely suitable for primary crushing of many kinds of mining and rock such as many kinds of ores, concrete, fireproof material, bauxite, quartzite, corundum, perlite, ironstone, basalt, etc.

它们被广泛适用于初级破碎多种采矿和摇滚等多种矿石，水泥，耐火材料，铝矾土，石英，刚玉，珍珠岩，铁矿石，玄武岩等

Moreover, the differences of enrichments of kaolinite, illite and bauxite on trace elements in coals are emphasized.

同时，分析了不同类型粘土矿物，特别是伊利石粘土矿物和铝的氢氧化物矿物对煤中某些微量元素的富集作用。

Calcium aluminates powder was synthesized under high temperature calcination by mixing bauxite, limestone and a certain amount of mineralizer.

研究中以铝矾土和石灰石为原料，加入一定量的矿化剂，混合均匀，经高温煅烧制得铝酸钙粉。

Addition of partial nephelite during bauxite sintering could not only make up consumption of soda, but also attain purpose for treating nephelite .

在铝土矿烧结过程中添加部分霞石矿，以补充碱的消耗，同时达到处理霞石的目的。

Land covered by limestone, peneplain, humid climate, and flourish plants made karst lakes the best places for enriching and preservation of bauxite.

被碳酸盐岩覆盖、较小地形差异的陆地准平原状态，湿热的气候，繁茂的植物使得岩溶湖泊成为铝土矿富集和保存的有利场所。

Based on studies of ore - bearing rocks and geochemistry, it is suggested that bauxite deposits in western Jiyuan were sediments in lake - environments after transgression when North China Block turned from peneplain in early Paleozoic to epeiric sea in late Paleozoic.

中文摘要：文章在对含矿岩系岩石组合、地球化学分析的基础上，认为矿区铝土矿形成于华北地块从早古生代准平原状态向晚古生代陆表浅海过渡时期，早期海侵之后的陆地湖泊环境中。

Huadian City, the special geological structure there are very rich in mineral resources, including non-metallic mineral clay, potash feldspar, sodium feldspar, kaolinite, calcite, wollastonite, silica, perlite, bentonite and other ceramic production The main raw materials are widely distributed in the territory, plus the surrounding counties and cities have adequate zeolite, bauxite, talc, and other supplementary materials, has become China's ceramic industry to develop the "New World" for building a building "Northern porcelain" lay a solid foundation.

桦甸市，特殊的地质结构有非常丰富的矿产资源，包括非金属矿物粘土，钾长石，钠长石，高岭石，方解石，硅灰石，硅石，珍珠岩，膨润土等陶瓷生产的主要原料，广泛分布在本港，加上周边县市有足够的沸石，铝土矿，滑石，以及其他辅助材料，已成为中国的陶瓷产业发展的"新世界"的建设，为建设"北方瓷"奠定了坚实的基础。

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。