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- A salt is a general term for an ionic compound. 盐是离子化合物的统称。
- Hardegree et al demonstrate that the toxic effect of non ionic sugar ester surfactants is correlated with free fatty acid level. 证明非离子糖酯表面活性剂的毒素作用与脂肪酸标准有相互关系。
- The oleic acylamide non ionic surfactant was synthesized by using oleic, maleric anhydride and diethanolamine. 以油酸、顺丁烯二酸酐、二乙醇胺为原料,合成了油酸酰胺基非离子表面活性剂OMA。
- OBJECTIVE To study the preparation of paclitaxel entrapped magnetic non ionic surfactant vesicles (TAX MNS) and evaluate its quality. 目的:对紫杉醇磁性非离子表面活性剂泡囊的处方和制备工艺进行研究,并评价其质量。
- Dissociation is the breakdown of an ionic compound in water, resulting in the formation of free ions. 解离:离子化合物在水中分解成为游离的离子。
- A new ionic compound (AG)(DNP) was prepared by using amido (AG) carbamidine bicarbonate and 2,4-dinitrophenol (DNP) as reagents. 通过氨基胍 (AG)重碳酸盐与 2 ;4 二硝基苯酚 (DNP)反应 ;制备了新型离子型化合物 2 ;4 二硝基苯酚氨基胍 (AG) (DNP) .
- A kind of water soluble polymer was synthesized from Maleic anhydride, it is compounded with non ionic surfactant to form a soaping agent with better washing off property and anti staining. 以马来酸酐为主原料合成了一水溶性高聚物,并与非离子表面活性剂复配,形成一种既有较好净洗能力,又有较强抗沾色能力的皂洗剂。
- The heats of formation of various ionic compounds show tremendous variations. 各种离子化合物的生成热显示出有很大的差异。
- Methods:The 293T cells was cotransfected with PDG and an AAV plasmid containing human apoAIcDNA to produce infectious rAAV, and it was purified by non ionic iodixanol gradients followed by heparin affinity chromatography. 方法 :以质粒 PDG和含有人 apo AIc DNA的AAV载体共转染 2 93T细胞 ,继以 Iodixanol密度梯度离心结合肝素亲和层析法分离、纯化 ,斑点杂交鉴定 r AAV病毒颗粒数 ;
- The results of property test show that the octyl polyglucoside behaves the properties of lower surface tension,higher foaming and wetting capability etc,and it is a new type of non ionic surfactant. 性能测试结果表明,辛基葡糖苷具有表面张力低、起泡和润湿性能优良等特点,是一种新型的非离子表面活性剂。
- For ionic compounds, the state of having exactly the ratio of cations to anions speci-fied by the chemical formula. 在离子化合物中,正、负离子的比例严格遵守化学公式定义的化合价关系。
- an ionic compound that resists changes in its pH. 一种离子合成物,能阻止酸碱度的变化。
- Based on the synthetic technology of ionic liquids, the antistatic fabrics were produced by the reaction of functional ionic compounds with the surface of fabrics. 本技术以离子液体合成技术为基础,将具有反应官能基之离子结构化合物与织物表面进行反应,制作具有抗静电效果之织物。
- Keywords amino 2;3 propanediol;non ionic X ray contrast agent; 氨基-2;3-丙二醇;非离子型X射线造影剂;合成;
- The recent progress of the studies on the structure,synthesis,and reactions of polynuclear titanocene complexes classified as chain,ring and ionic compounds and so on was reviewed. 现将多核茂钛配合物分为链状、环状和离子型等几大类,分别对其结构、合成、反应条件和化学反应等在近年来的研究进展进行了综述。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- In Part I, work was done to develop a novel gradient chromatofocusing liquid chromatography-tandem mass spectrometry (MS/MS) technique for the determination of ionic compounds in biological matrix. 台湾原住民族群在传统上有酿酒自用的习俗。酒类饮料中的化学物质组成是品管的重要依据且影响了饮酒者的健康情形。甲醇与醛类是酒类饮料中已知的有毒物质。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。