目前已制备的超酸种类繁多,它具有极强的酸性和高介电常数,在化学合成工业中是一种良好的催化剂。
The prepared superacids are of great variety at present. They have strongest acidity and high dielectric constant and on excellent catalysts in the chemical synthesis industry.
在超选微导管置入后,向撕裂血管的近端或损伤血管的残端轻缓注入N-羟丁基2-氰基丙烯酸酯(NBCA。
N-butyl 2- cyanoacrylate (NBCA) is gently deposited proximally to the arterial tear or at the level of the stump of the traumatized artery after superselective microcatheterization.
渤海湾盆地歧口凹陷超压对有机质热演化、有机酸生成和水岩反应具有明显的抑制作用。
The organic matter maturation, organic acid generation and water-rock reaction were retarded by overpressure in the Qikou Sag of the Bohaiwan Basin.
分别采用超声波震荡、加热下介质处理、稀碱处理等方法研究亚微米超细TATB夹杂酸的脱除。
Methods of eliminating acidity in submicron TATB have been studied applying consecutively the ultrasonic shaking, medium treatment upon heating, dilute alkali treatment etc.
超疏水表面制备了大量接枝丙烯酸到高密度聚乙烯。
Superhydrophobic surface fabricated by bulk photografting of acrylic acid onto high-density polyethylene.
主要成份:红石榴素、安定型净白vc、NMF氨基酸诱导体、甜茶萃取液、超微细珍珠粉、特制因子。
Main compositions: Pomegranate essence, Inert type white VC, NMF aminophenol inductor, Extract of sweet tea, Ultra micro pearl powder, Unique factor.
主要成份:去离子水、胶原活性蛋白肽、多重细胞修复因子、生物保湿剂、超氧化歧化酶、植物氨基酸。
Main Ingredients: deionized water, collagen active albumen peptide, multiple cell-repairing factor, biological humectant, superoxide dismutase (SOD), and vegetal amino acid.
用过硫酸盐氧化法使超细纤维素与丙烯酸接枝共聚。
This paper describes graft copolymerization of acrylic acid onto superfine cellulose using potassium persulphate as initiator.
采用羟基自由基体系和超氧阴离子自由基体系对藏红花酸及藏红花酸二甲酯的体外抗氧化活性进行研究,并与BHT进行比较。
At last, using the hydroxyl radical system, superoxide radical system, the antioxidation activities of crocetin and crocetin dimethyl ester were studied and compared with BHT.
通过单体两段滴加法乳液聚合和氨化剪切,制备了聚丙烯酸酯超微胶乳。
Polyacrylate micro - latex was prepared by coupling conventional emulsion polymerization with two -stage addition of monomer and latex shearing in the presence of ammonia.
通过对超细电气石粉体的聚丙烯酸改性处理,并通过对改性前后的样品进行红外光谱分析分析了改性机理。
In this paper, the super-fine tourmaline powder was modified by polyacrylic acid in order to improve its dispersivity in hydrophilous systems.
研究了具有超耐久性的有机硅丙烯酸聚合树脂涂料特殊的分子结构。
The paint composed with special molecular structure of polyorgano - silicoacrylate resin, which possesses superageing resistant property, has been studied in this article.
使用丙烯酸酯共聚物(acr)作为氯化聚氯乙烯(cpvc)的改性剂,使用超微细石墨粉体做填料,制备了具有导热性能的共混材料。
Thermal conductivity material was prepared with acrylate copolymer (acr) used as modifier for chlorinated PVC (CPVC) and superfine powdered graphite used as filler.
单施磷肥,超粘限曲线在酸方大大降落于粘限曲线之下,韧限曲线也降低。
When we only applied phosphate fertilizer the curve of the ultra clay limit at the acidic field fell considerably below the sticky limit curve and the plastic limit curve fell also.
蕴含来自深海的珍贵鱼子精华,揉合氨基酸、透明质酸及超微细营养复合物。能为肌肤带来水嫩幼滑的感受,赋于肌肤以星光般的活力及。
Contain deep sea roe essence, amino acid, hyaluronic acid and super fine nourishing compound. It brings tender and smooth feeling for skin, make skin energetic and.
但因深井、超深井地层温度高,加重酸液体系的腐蚀性强,其应用受到很大限制。
Its application is limited for high reservoir temperature in the deep and ultra-deep Wells and strong corrosiveness of the weighted acid system.
结论锗能促进灵芝菌丝体超氧物歧化酶、酯酶的活性和提高其多不饱和脂肪酸含量。
CONCLUSION Germanium can stimulate activities of superoxide dismutase, esterase and increase relative contents of poly-unsaturated fatty acids in mycelia of Ganoderma lucidum.
化学计量法表明,所有的氨基酸均与环糊精衍生物形成了1:1的超分子体系。
The supramolecular system stoichiometry is 1:1 for all amino acid inclusion complexation with host compounds (1) and (3).
本标准溶液以氯铂酸钾和氯化钴在超净实验室中准确配制并分装于20毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with potassium chloropatinate-crystallized cobaltous chloride and sub-packed in 20 ml ampoules.
以苯乙烯、甲基丙烯酸为主要原料进行超浓乳液聚合,制备了含功能基的单分散性复合物。
The monodispersional polymer composite of St-MAA with functional group were prepared by concentrated emulsion polymerization.
超氧阴离子自由基清除能力大小依次为:抗坏血酸、柠檬酸、总黄酮精制物、总黄酮粗提物。
The order of the O2 - · scavenging effect was ascorbic acid, citric acid, the refined extract, the crude extracts.
总黄酮精制物的超氧阴离子自由基清除能力与柠檬酸相当。
The O2 - · scavenging effect of the refined extract was similar to citric acid.
总黄酮精制物的超氧阴离子自由基清除能力与柠檬酸相当。
The O2 - · scavenging effect of the refined extract was similar to citric acid.
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