1) Organic weak base
![点击朗读](/dictall/images/read.gif)
有机弱碱
2) Organic weak acid or base
![点击朗读](/dictall/images/read.gif)
有机弱酸弱碱
3) organic weak acid
![点击朗读](/dictall/images/read.gif)
有机弱酸
1.
Comparison of Effect on S.mutans Producing Acid Ability between Organic Weak Acid and Fluoride;
有机弱酸对变链菌产酸作用的影响
2.
The detection limits (S/N=3) of the organic weak acids are 0.
![点击朗读](/dictall/images/read.gif)
葡萄糖酸、乙酸、甲酸、丙酮酸、山梨酸等有机弱酸在流速为 1 m L/ min,淋洗液的浓度为 1mmol/ L Na HCO3 ,用 Alltech DS- Plus TM抑制器时能很好地检测。
5) Organic alkali
![点击朗读](/dictall/images/read.gif)
有机碱
1.
The chemical reaction by organic alkali with by hydroxide radicle and double amidocyanogen was analyzed in Cu-CMP process.
分析了带有羟基和双胺基的有机碱在Cu-CMP过程中的化学作用。
2.
In this paper,an experimental study is presented, in which 3 kinds of organic alkalis are used as the complexing agent,a silica sol is used as the abrasive and H2O2 is used as the oxidizer respectively.
分别使用几种有机碱作为络合剂、SiO2水溶胶为磨料、H2O2为氧化剂,复配后分别进行相同工艺参数的抛光试验。
3.
Meanwhile three kinds of organic alkalies including triethylamine, N- methyl imidazole, N- butyl imidazole were selected to react with hydrochloric acid, which is produ.
同时在MCC制备MIC的工段引入了有机碱作为除去HCl的缚酸剂;文中主要介绍了三乙胺、N-甲基咪唑(MIM)、N-丁基咪唑(BIM)三种缚酸剂。
6) organic base
![点击朗读](/dictall/images/read.gif)
有机碱
1.
Catalytic synthesis of 2-hydroxypropyl-β-cyclodextrin for electrophoresis use by organic base;
有机碱催化合成电泳用2-羟丙基-β-环糊精
2.
The hydrolysis reaction of high-concentration COS in high-concentration CO atmosphere was studied in a slurry bed reaction system composed of nano γ-Al2O3 and organic base.
在高活性的纳米氧化铝粉体与有机碱液形成的浆态床反应体系中,对高浓度CO气氛中的高浓度COS的水解反应进行了系统研究,考察了浆料浓度、空速、反应温度等因素对COS水解转化率的影响。
3.
Propylene carbonate(PC) was synthesized from carbon dioxide and 1,2-propylene glycol(PG) with organic bases as catalysts in presence of acetonitrile.
以有机碱为催化剂、乙睛为溶剂,研究了CO2和1,2-丙二醇(PG)合成碳酸丙烯酯(PC)的反应。
补充资料:有机覆层:有机覆层
在基体材料表面覆以有机材料的材料保护层。在机械製造中﹐有机覆层的绝大部分是涂装层﹐或称油漆层。此外﹐也有用橡胶或塑料作为覆层的。需要抗酸﹑硷和抗腐蚀性气体和液体的钢铁件﹐常用厚约 3毫米的橡胶(如氯丁橡胶)或塑料(如氯化亚乙烯共聚物)黏在表面﹐可长期保护基体不受腐蚀。这种覆层主要用在大型抗蚀容器或排气系统中。埋在土壤中的金属构件﹐常以聚乙烯带包裹保护。在喷鉬或喷不锈钢的表面上涂覆聚四氟乙烯﹐在150℃温度下摩擦係数很低﹐磨损轻微﹐适於製造低载荷和要求高度清洁的滑动轴承﹐或用在食品﹑精细包装和纺织机械上。各国的Du﹑Dx轴承都是以塑料与金属复合製成的。通过静电喷涂将环氧树脂﹑氯化聚醚﹑聚四氟乙烯以及聚氯乙烯等塑料粉末涂覆在金属表面﹐可获多种抗化学腐蚀性极好的覆层﹐可用於输水﹑污水处理和海洋平台的设备上。有机覆层在辉光放电情况下﹐有机单体可以聚合成无针孔的有机膜﹐用作电容器的介质层。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条