活性碳

They encompass the following broad bands of biological roles:(1) basic structural units of cellular membranes and cytologically distinct subcellular bodies such as chloroplasts and mitochondria;(2) compartmentalizing units for metabolically active proteins localized in membranes;(3) a store of chemical energy and carbon skeletons; and (4) primary transport systems of nonpolar material through biological fluids.

这类物质无论在功能上还是结构上都有明显不同，它们具有以下广泛的生物学作用。1。细胞膜和细胞中亚细胞器，如叶绿体和线粒体的基本结构单元。2。定位于细胞膜上具有代谢活性蛋白质的划分单位。3。化学能和碳骨架的储藏物质。4。以生物流的形式使细胞内非极性物质得以运输。

There is an activation process for passivated alumina supported molybdenum nitride and carbides catalysts at the initial stage of hydrazine decomposition.

在肼分解反应初期，钝化态的氮化钼和碳化钼催化剂有一个活化的过程，随着启动次数的增加，催化剂的初活性逐渐提高，最后达到稳定。

The first method is to give a known glucose concentration2.5、5、7.5%(w/v at the start in the ferment and when the glucose in the ferment is consumed to the low concentration by baker's yeast, glucose must be resupplied to the ferment back to the starter concentration.

本实验则是以葡萄糖为碳源，使营养源较为单纯易分析。虽然已有许多相关研究探讨发酵酵母的方式，大部分著重在培养期间的最终产量，针对酵母发酵期间的活性变化与发酵液中的成分变化，仍没有大量的文献来佐证。

The development of spiral alga beer, compounding SOD beer and Birch Liquid beer could not only make full use of biological resources and modern beer brewing techniques but also enrich beer variety.

螺旋藻所含的维生素及矿物质微量元素不仅种类齐全，而且含量较高；复方SOD除含有SOD外，还含有猴菇多糖，多种必需氨基酸，维生素，及锌、硒、铁、钙等10多种微量元素；桦树液中富含生物活性物质，含有多种碳水化合物、20多种氨基酸和微量元素硅、铁、锶、钛、钡、铜等。

The high temperature activation character of weakly caking coal was investigated.

研究了弱粘结煤的高温活化特性，表明弱粘结煤高温焦碳具有较大的孔隙率和比表面积，孔隙结构的形态多、长径比大，具有良好的活性。

A diamond is pure carbon, and it may be pretty, but it isn't alive.

钻石是纯碳构成，它很美丽，但没有活性。

Research is made on the process for production of high-quality coarse-grained WC .

进行了在钨粉碳化阶段添加活性催化剂生产优质粗颗粒WC的工艺研究。

A wild lipase-producing strain was isolated from the soil pretreated by Jatropha curcas seed powder with Jatropha oil as sole carbon source and identified as Pseudomonas sp.

以麻疯树油为唯一碳源，从以粉碎的麻疯树种子处理过的土壤中分离筛选出1株脂肪酶活性较高的菌株，初步鉴定为假单胞菌属。

Transition metal borides and inorganic boron-containing compounds, such as TiB〓, BN, B〓C and BP, are one of the most important groups for application in high-temperature performance, electronics and catalysts. Traditionally, they were prepared by high-temperature reactions; however, the products were beyond nanometer scale.

中文题名溶剂热合成硼化物及非金属含硼化合物纳米材料副题名外文题名论文作者谷云乐导师钱逸泰学科专业无机化学研究领域\研究方向学位级别博士学位授予单位中国科学技术大学学位授予日期2003 论文页码总数70页关键词纳米材料硼化物溶剂热合成馆藏号BSLW /2003 /O613 /6 硼化物、非金属含硼化合物功能材料（如硼化钛、氮化硼、碳化硼和磷化硼等）通常具有高硬度、高熔点、机械强度大、高温化学稳定性好等一系列优良性能，有些还具有奇异的光、电、磁、热学性能和催化活性，是一类最富潜力的非氧化物高温结构材料、电子材料和催化材料。

On the basis of the Frontier Orbital Theory and three Bonding Principles, the possibility of reaction of active HOSA^- carbanion on polymerization process of MA by alkali catalyst and the mechanism of anionic polymerization of maleic anhydride were studied.

应用前线轨道理论和成键三原则研究了碱催化条件下马来酸酐均聚过程中α-羟基丁二酸酐碳阴离子活性中间体参与反应的可能性及其阴离子聚合机理。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。