quaternary compound 中文意思是什麼
quaternary compound
解釋
四元化合物- quaternary : adj 1 四個一組的；由四部份組成的；第四的。2 【化學】四元的；四價的；季的；【數學】四進制的。3 〈Q...
- compound : vt 1 使混合，調合，配合；【語言學】復合，合成。2 （通過互相讓步等）解決（糾紛）；用錢了結（債務等...
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( 4 ) the formation and growth of structural traps and stratigraphic - unconformity traps in the area is controlled by three compressive stages of silurian - devonian, late permian - tertiary and oligocene - quaternary ; non - structural and compound traps mainly grew in the early paleozoic. structural traps mostly grew in the late paleozoic and the cenozoic and mostly grew on the north and south belts ; non - structural traps mostly grew in the northern area of the hetian concave. most traps in the area formed or typed at last in the himalayan episode, dispersed on the north and south belts
（ 4 ）研究區構造與地層不整合圈閉的形成和發育受志留-泥盆紀、晚二疊世-第三紀、漸新世-第四紀三個擠壓階段的控制；早古生代主要發育非構造圈閉和復合圈閉，晚古生代和新生代則主要發育構造圈閉：構造圈閉主要發育在南北兩帶上，其次為中帶；非構造圈閉主要發育在和田凹陷以北的地區；研究區內大多數圈閉是喜山期形成或最終定型的，在南北兩帶都有分佈，而海西期圈閉主要分佈於研究區中帶瑪南構造帶處。 -
New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded
闡述了用於環氧乙烷催化水合反應中的多羧酸衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展；同時闡述了用於碳酸亞乙酯法合成乙二醇反應中的催化體系的新進展。 -
It is mainly used as chemical intermediate, can be used as insecticide, for example making pesticide toad killing agent ; it can also be used to prepare quaternary ammonium compound to change property and synthesize various kinds of processing accessory ingredients and additives
四、用途主要用於化學中間體，可作殺蟲劑，如製造農藥殺蟆丹；還可制備季胺化合物，作為改性合成各種處理助劑和添加劑。 -
Study on toxicity and mutagenic effects of quaternary ammonium compound detergent
季氨化合物洗消劑的毒性及致突變作用研究 -
However, the reserves of calcium bentonite is low and the surfactants are expensive, which bring many difficulties to industrialization. in this paper, an abundant and low cost raw material, calcium bentonite, and several new modifying agents such as compound quaternary ammonium salt with cheap caprolactam or anionic surfactant or silane coupling agent were used to synthesize new - type organobentonites, in the principal of efficient, cheap and simple
作者嘗試以資源十分豐富的鈣基膨潤土為原料，依據高效、廉價、使用簡單的原則，以傳統插層劑季銨鹽為基礎，分別用價格較低的己內酰胺、陰離子表面活性劑、硅烷偶聯劑部分取代季銨鹽作插層劑，來制備新型的有機膨潤土。
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