在内蒙古河套灌区采用波涌灌溉,施用PAM(土壤结构稳定剂)和利用地下咸水灌溉等不同处理进行了玉米地水蚀作用的试验研究。
Experimental study of effects of surge irrigation, PAM, and irrigation with saline ground water on soil water erosion was carried out in Hetao irrigation District, Inner Mongolia.
简介了位阻胺光稳定剂(HALS)的作用原理及涂料工业中常用HALS的结构及性能。
HALS light stabilizer action and principle, together with conventional HALS structure and property in paint and coatings industry are briefly introduced.
然而,尽管特定的稳定剂之间的相互作用和蛋白质可能是负责保存的天然结构,证据支持这一立场是不能令人信服的。
However, while a specific interaction between stabilizer and protein might be responsible for the preservation of native structure, the evidence supporting this position is not compelling.
讨论了稳定剂品种、 改性剂品种和发泡剂用量对制品密度、泡孔结构以及外观表面的影响。
The effect of certain types or contents of stabilizers, modifies and blowing agents on extrudate quality density, surface, and cellular structure are described.
本文在国内外已有研究成果的基础上,根据国内普遍采用半刚性基层沥青路面这一结构特点,研究利用水泥为稳定剂的旧沥青路面的现场冷再生技术。
Based on the research results from home and abroad, and the characteristic of the widely-adopted semi-rigid pavement, the thesis studies the cold in-place recycling technology stabilized by cement.
研究了稳定剂结构与用量、共聚单体组成、第三单体盐的种类和浓度对水基分散聚合的影响。
The effects of factors, such as the structure and amount of dispersants, the composition of monomers, th…
研究了稳定剂结构与用量、共聚单体组成、第三单体盐的种类和浓度对水基分散聚合的影响。
The effects of factors, such as the structure and amount of dispersants, the composition of monomers, th…
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