The paper probes into the catalyzing effects of oxyalkyl metal compounds and lauric soap compounds on the narrow distribution with HPLC method,analyses the distribution status of ethoxylates.
对烷氧基金属化合物和月桂酸皂类化合物催化月桂醇乙氧基化窄分布作用进行了研究,用高效液相色谱分析了乙氧基化产物的分布状态。
The recent developed technology of narrow distribution ethoxylation of fattyalcohol was introduced in this paper.
本文介绍了近年来发展起来的脂肪醇窄分布乙氧基化技术。
TLC result showed that the distribution index of OHAA catalyzed by Mg-Al-Co compound oxide reached over 80% with very good narrow distribution effect.
薄层色谱表明镁铝钴复合氧化物催化合成的OHAA分布指数达到80%以上,具有很好的窄分布效果。
This kind of plant is widely distributed.
这种植物分布很广。
edapho phytocoenotic areal
土壤植物群落分布区
Microbodies are widely distributed in the plant kingdom.
微生物广泛分布于植物界。
Rooted hydrophytes, both emergent and submergent, are found in this zone.
该区域分布有有根的水生植物,包括浮游植物和沉水植物。
Salt distribution patterns in rhizosphere system of desert halophytes
荒漠盐生植物根际系统盐分分布特征
Advances in the Effects of Climate Change on the Distribution of Plant Species and Vegetation in China
气候变化对植物及植被分布的影响研究进展
PHYLOGENY AND PHYTOGEOGRAPHY OF THE BETULACEAE
桦木科植物的系统发育和地理分布
PHYLOGENY AND PHYTOGEOGRAPHY OF THE BETULACEAE (CONT.)
桦木科植物的系统发育和地理分布(续)
Plants which have very wide ranges generally present varieties.
分布很广的植物通常都具有变种。
widespread plant and fruit pest.
广泛分布的植物和果类害虫。
Amines are widely distributed in plants.
在植物中胺是广泛分布的。
THE DISTRIBUTION,ORIGIN AND EVOLUTION OF SYRINGA
丁香属植物的地理分布及其起源演化
The distribution of genus Acer resources in Jiangsu Province and their utilization
江苏槭属植物资源的分布与应用研究
Distribution and flora of Sphagnum in Guizhou.
贵州泥炭藓属植物研究 Ⅱ.分布与区系
Distribution of Global Radiation in Dutch Glass Greenhouse in Shanghai
玻璃温室内植物层中总辐射分布规律
Effects of Plant Spatial Distribution on Foraging Behavior of Sheep;
植物空间分布对绵羊采食行为的影响
Named after Mt. Huangshan and used huangshan as there address of plants and over an area in Mt. Huangshan (Ⅰ);
以黄山命名和冠名的植物及分布(Ⅰ)
Geographical Distribution of Salsola L. in China;
中国猪毛菜属(SalsolaL.)植物的地理分布特点
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