通过表面张力法研究了二甲基亚砜(DMSO)对十六烷基三甲基溴化铵(CTAB)胶束形成的影响。
The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension.
采用正交试验法对十二烷基二甲基氧化胺的合成工艺条件进行了研究,获得了在催化剂存在下的最优合成条件。
The synthetic technological conditions of dodecyl dimethyl tertiary amine oxide were studied by orthogonal experiments. The optimum synthesis conditions were obtained in the presence of catalyst.
采用HPLC法检测大鼠静脉注射甲基强的松龙琥珀酸钠(MPS)后不同时间血浆中MP及MPHS的浓度。
Using HPLC to detect the plasma concentration of MP and MPHS at different time after intravenous injection Methylprednisolone Sodium Succinate (MPS) in SD rats.
研究了苯乙烯中苯乙炔、聚合物和甲基苯乙烯三种杂质对悬浮法聚苯乙烯粒径的影响。
The effects of impurities such as phenylethyne, polymer and methyl styrene on particle diameter of polystyrene manufactured by suspension polymerization were analyzed .
研究了以荸荠渣(C6H9O4OH)为原料,采用甲醇溶剂法,在碱性条件下制备出荸荠渣羧甲基化产品(WCDCMCS)。
Water chestnut drege carboxymethylated product (WCDCMCS) is prepared and studied by methanol solvent method, using water chestnut drege (C6H9O4OH) as raw material under alkaline condition.
研究了甲基异丁基酮(MIBK)萃取分离金,用电感耦合等离子体原子发射光谱法(ICP AES)测定镀金液中杂质元素的新方法。
After extraction separation of gold by MIBK, lead, copper, iron, nickel in gold plating bath were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES).
目的:探讨微波加热法处理聚甲基丙烯酸甲酯(pmma)基托材料的力学性能。
Objective: To study the mechanical properties of microwave cured polymethylmethacrylate (PMMA) denture base resins.
腐蚀性气体硫化氢的测定方法最常见的是亚甲基蓝分光光度法和碘量法,这两种测定方法都受到众多因素的影响。
The most common determining methods of corrosive gas - hydrogen sulfide are the methylene blue spectrophotometry and the iodimetry, however, these two methods are both affected by many factors.
用循环伏安法考察了聚(N-甲基)苯胺电极反应可逆性;
The reversibility of the electrode reaction of poly (N methyl) aniline was inspected by cyclic voltammetry.
目的:用亚甲基蓝-分光光度法检测重组生物制品中十二烷基硫酸钠(SDS)的含量。
Objective:Using methylene blue spectrophotometric method to determine the content of SDS in recombinant biological products.
建立了用高效液相色谱法同时测定农药吡虫啉中间体2 -氯-5 -甲基吡啶和2 -氯- 5 -氯甲基吡啶含量的方法。
A method was established for determining two intermediates in synthesis of imidacloprid, 2 chloro 5 methyl pyridine and 2 chloro 5 chloromethyl pyridine by HPLC.
实验研究证明,EGME法和亚甲基蓝吸附法是重复性好、准确可靠的泥页岩比表面积测定方法。
It shows that the EGME and methylene blue test adsorption methods are well repeating, correct and reliable testing methods of specific surface area.
方法:采用改进的甲基丙稀酸甲酯低温塑料包埋法包埋SD大鼠胫骨近端,制备不脱钙的骨组织切片。
Methods The proximal tibiae of SD rats were embedded with the modified methylmethacrylate low-temperature embedding method and then made into undecalcified bone sections.
研究了萃取反应法合成甲基丙烯酸甲酯( MMA)。
The synthesis of MMA by the extractive reaction method was studied.
使用培养基法和棉球法测定了苦豆碱、野靛碱、甲基野靛碱、苦参碱对松材线虫的杀线活性。
Nematicidal activity of aloperine, cytisine, N methylcytisine and matrine was bioassayed by the agar medium method and the cotton ball method.
本文改进了用于测定羧甲基壳聚糖羧甲基取代度的灰分分析法。
In the paper, an ashing method was improved to characterize the degree of carboxymethyl substitution of carboxymethyl chitosan.
通过正交实验法,对造纸黑液加压磺甲基化制备水煤浆添加剂进行了研究,提出了一种新的全面评价水煤浆性能的方法。
The pressurized sulfonation and methylation process of utilizing black liquor to prepare additive for CWM is studied by cross test and a new method of performance evaluation for CWM is given.
研究了用滚筒法快速制备的交联-羧甲基木薯淀粉的性能。
The performance of crosslinked-carboxymethyl cassava starch quickly prepared by roller process was investigated.
目的:评价特异性甲基化pcr (msp)分析法检测抑癌基因高甲基化对结、直肠癌的诊疗价值。
Aim: To evaluate the clinical value of MSP (methylation specific PCR) in detection of tumor suppressor genes methylation in the colorectal cancer.
为提高碱性磷酸酶(ALP)活性测定的灵敏度,对以4-甲基伞形酮磷酸酯(4-MUP)为底物的荧光法进行了研究。
In order to improve the sensitivity of detection of alkaline phosphatase(ALP)activity, a fluorometric method based on 4-methylumbelliferyl phosphate(4-MUP)as substrate was investigated.
在阳离子表面活性剂——十六烷基三甲基溴化铵(CTMAB)的存在下,用比浊法对铝箔蚀腐液中微量硫酸根离子进行测定。
Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).
介绍了用一步法、两步法合成甲基环戊二烯三羰基锰的过程,影响收率的主要因素。
The one step and the two steps used in the synthesis of MMT and their advantage and shortcoming are described.
利用相转移催化法合成香料2-甲基-3 甲氧基吡嗪,并对其反应条件进行探讨,找到较佳的反应条件。
The synthetic method of perfume 2 - methyl - 3 - methoxy pyrazine was investigated and better reaction conditions have been found.
过氧化氢直接氧化法合成2,3,5-三甲基氢醌。
Synthesis of 2, 3, 5 - Trimethylhydroquinone by Direct Oxidation Using Hydrogen Peroxide.
利用热重-差示扫描量热法(TG-DSC)对六甲氧基甲基三聚氰胺(HMMM)与松香树脂酸的反应进行了研究。
TG-DSC method was used to study the affecting factors of the reaction between Hexakis(methoxymethyl)melamine(HMMM)and rosin acids and its kinetics.
在不同磷化氢环流熏蒸设备配置条件下采用气化施药法在粮堆中施用甲基嘧啶磷防治储粮害虫。
Pirimiphos-methyl was applicated in grain bulk to control stored-grain insect by gasification application method with different recirculation fumigation facilities.
采用两次加碱法工艺,对经纱上浆用羧甲基淀粉干法制备工艺进行了研究。
Dry preparation of carboxymethyl starch for warp sizing by adding alkali twice was studied.
采用四氮甲基唑蓝比色法、溴乙锭荧光法检测肺细胞的生长情况和DNA交联的形成。
The cytotoxicity and DNA cross links of the cells were detected with MTT assay and ethidium bromide fluorescence assay.
取以杂多酸为催化剂,一步法合成聚四亚甲基醚醇(PTMG),对影响聚四亚甲基醚醇单程收率的各因素进行了讨论。
Polyoxytertramethylene (PTMG) is synthetized in one step using heteropoly acid as catalyst. We discussed the factors which influenced the yield of PTMG.
取以杂多酸为催化剂,一步法合成聚四亚甲基醚醇(PTMG),对影响聚四亚甲基醚醇单程收率的各因素进行了讨论。
Polyoxytertramethylene (PTMG) is synthetized in one step using heteropoly acid as catalyst. We discussed the factors which influenced the yield of PTMG.
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