磷酸酯
- 名phosphate;phosphonate
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维生素C磷酸酯镁合成工艺条件研究
Study on the Synthesis Conditions of Vitamin C Magnesium Phosphate
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低粘度磷酸酯淀粉浆料与递质pH的依赖关系
The co-relation between low viscosity phosphate starch sizes and medium pH
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磷酸酯渗透剂R的制备与性能
Preparation and characterization of phosphate penetrating agent R
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P2O5缓释法合成磷酸酯
Synthesis of Phosphoric Ester by Slow-release of P_2O_5
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HPLC分析法在克林霉素磷酸酯合成工艺中的应用
Application of HPLC in Synthesis of Clindamycin Phosphate
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克林霉素磷酸酯凝胶的HPLC测定
HPLC determination of clindamycin phosphate gel
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化妆品中抗坏血酸磷酸镁的色谱分析维生素C磷酸酯镁的合成研究
Study of separation and determination of magnesium ascorbyl phosphate ( V_C-PMG ) in cosmetics by ( reversed - ) phase high performance liquid chromatography
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同时作为磷酸化试剂用于制备Vc聚磷酸酯,制备出了高质量的Vc聚磷酸酯。
Using sodium trimetaphosphate as phosphorylation agent , the high quality Vc phosphate is prepared .
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P4O(10)杂化桥接法合成高比例单烷基磷酸酯
Synthesis of high ratio monoalkyl phosphate ester by P_4O_ ( 10 ) hybrid process
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长碳链Gemini磷酸酯表面活性剂结构与性能的关系
Relationship between structure and properties of long chain Gemini phosphate surfactant
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针对油气田CO2/H2S腐蚀环境,研制了一种以咪唑啉含硫衍生物、有机硫代磷酸酯为主要组分的复配缓蚀剂TG500。
The corrosion inhibitor TG 500 was synthesized to the CO2 / H2S corrosion environment of Gas field .
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以二-(2-乙基己基)磷酸酯(P(204))/四氢呋喃/硝酸/多聚乙醛为展开剂薄层色谱法分离铕、钆、铽、镝、钬、铒等元素
Separation of Rare Earth Elements ( Eu , Gd , Tb , Dy , Ho , Er ) by Thin-Layer Chromatography with Di - ( 2-ethylhexyl ) phosphate-Tetrahydro-furan-Nitric Acid-Paraldehyde System as Developer
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复方克林霉素锌凝胶是由克林霉素磷酸酯(clindamycinphosphate)和醋酸锌(zincacetate)组成的复方凝胶(简称复方CMPZA凝胶)。
Clindamycin Zinc compound gel ( CMPZC compound gel for short ) is made up of clindamycin phosphate and zinc acetate .
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对于PET和PU来说,含磷阻燃剂是一类较为有效的阻燃剂,常用的阻燃剂有磷酸酯、氧化磷、有机磷酸盐等。
Phosphorus-containing flame retardants are effective to PET and PU , containing phosphate , phosphorus oxide , organic phosphate and so on .
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克林霉素磷酸酯降解产物的LC-MS研究
Study on Degradation Products of Clindamycin Phosphate by LC-MS
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聚磷酸酯蚀刻产物在NaOH溶液中的浓度对体蚀刻速度及相对灵敏度的影响
Effect of the concentration of polycarbonate etching products in NaOH solution on bulk etch rate and relative sensitivity
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ESI质谱法研究7-二异丙基葛根素磷酸酯与溶菌酶的弱相互作用
Study the Interaction Diisopropyl Puerarin-7-yl Phosphate with the Lysozyme by ESI MS
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将改性后的CaCO3填充于软PVC塑料体系当中研究其材料的各项性能,发现采用磷酸酯改性CaCO3可以显著地提高软PVC/CaCO3塑料的熔体流动速率和材料的撕裂强度。
The modified CaCO 3 was filled in soft PVC system . The investigations showed that the melt index ( MI ) and tearing strength could be remarkably improved .
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多元醇磷酸酯及K2Cr2O7缓蚀剂对碳钢、铝、不锈钢缓蚀作用的研究
Studies of Inhibition Effects of Polyalcohol Phosphate Ester and K_2Cr_2O_7 Inhibitors on Carbon Steel , Aluminum and Stainless Steel
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磷酸酯盐离子液体的微波辅助合成及其在Knoevenagel反应中的应用
Microwave-Assisted Synthesis of Ionic Liquids of Phosphate and Application in Knoevenagel Reaction
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本文综述了化学核酸酶的研究新进展。讨论了化学核酸酶模型催化磷酸酯的水解反应,DNA和RNA的裂解和水解等反应,并对它催化各类反应的作用机制进行了评述。
The recent advance in chemical nuclease is reviewed , and the mechanisms of hydrolysis or cleavage of phosphate ester . DNA and RNA catalyzed by chemical nuclease are discussed by the way .
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表明热应激促进了小鼠肝脏LPO的产生,抑制了抗化物酶的活性;而维生素C多聚磷酸酯对热应激造成的不利影响有缓解作用。
These results suggested that heat stress increased liver LPO level and depressed antioxidase activity in mice , while vitamin C polyphosphate alleviated the adverse effects caused by heat stress .
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其次通过红外光谱、化学滴定法及~(31)P核磁共振对烷基磷酸酯及其钾盐的结构进行定性及定量的研究,优化了磷酸酯的分析方法,为制备出高质量的磷酸酯提供了保证。
Second , the components of alkyl-phosphate and PK were analyzed by IR spectrum , chemical titration and ~ ( 31 ) P-NMR spectrum , the research method were optimized and it provides the secure to produce high quality alkyl-phosphate .
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白杨素和它的四乙基二磷酸酯对人宫颈癌Hela细胞增殖和核基质蛋白影响的研究
Effects of Chrysin and Its Tetraethyl Bis-Phosphoric Ester on the Multiplication and Nuclear Matrix Proteins of the Human Cervical Carcinoma Cell Line Hela
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端恶唑啉聚醚/烷氧焦磷酸酯型钛酸酯复合处理CaCO3改善聚烯烃冲击韧性研究
Study on Improving of Impact Toughness of Polyolefines with CaCO_3 Surface-treated by Oxazoline-terminated / Alkoxy Pyrophosphate Titanate Combination
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以中华鳖幼鳖为研究对象,以高稳定性维生素C磷酸酯为Vc源,研究饲料添加Vc对中华鳖生长及其Vc在组织中含量的影响。
A 105 day growth trial was conducted to investigate the effect of dietary vitamin C supplementation on growth , body composition , tissue Vc concentration in juvenile soft shell turtle Trionyx sinensis .
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通过微型电炉实验、差热分析(DSC)和热失重分析(TG),研究了烷基磷酸酯胺盐的酯化率对超薄型钢结构防火涂料的影响。
The effect of the esterification degree of amine salt of alkyl phosphate on the intumescent coating was studied through the small scale fire tests , TG and DSC method .
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利用Gaussian软件,优化了焦磷酸酯的构型,得到了磷原子电荷分布,结合实验结果,对不同结构的焦磷酸酯水解速率的变化规律作出了合理的解释。
Using Gaussian , the optimized geometric configuration and charge distribution of pyrophosphates were obtained . Based on experimental results , the variation of the hydrolysis rate of different pyrophosphates was explained reasonably .
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与此同时,我们还研究了磷酸酯的pKa值及溶液反应体系的pH值对总水解速率中不同水解途径的相对贡献的影响。
We also have demonstrated how pK , of the ester and pH of the reaction solution affect the relative contributions of different hydrolysis pathways to the total hydrolysis rate .
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以高碳醇为原料,采用P2O5溶剂法合成磷酸酯。
Alkyl phosphate was prepared by higher alcohol and P_2O_5 in a solvent .