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propylene glycol pg
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Synthesis of Propylene Glycol 丙二醇合成工艺 短句来源 propylene glycol>glycerin; 丙二醇>丙三醇; 短句来源 glycol 3; 乙二醇 3; 短句来源 THE METABOLISM OF 1,2 PROPYLENE GLYCOL DINITRATE (PGDN) IN VITRO 丙二醇二硝酸酯的体外代谢 短句来源 Oxydehydroaromatization of Propylene 丙烯氧化脱氢芳构化反应 短句来源 
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The solubilization behavior of DMI as a cosolvent for nonpolar drugs was characterized via dielectric constant measurements of binary solvent systems containing DMI and either water, propylene glycol (PG), or polyethylene glycol (PEG).
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Increased drug solubility in the vehicle, propylene glycol (PG), in some cases accounted for the increases in flux in the presence of adjuvants, since permeability coefficients were unchanged.
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niger and Bacillus stearothermophilus are sterilized in nonaqueous hydrophilic solutions as found in propylene glycol (PG) with low water concentrations; and (b) the inactivation kinetics of Bac.
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Lonapalene was completely solubilized in the ointments consisting of an internal phase of propylene carbonate (PC)-propylene glycol (PG) mixture dispersed within an external phase of a petrolatum base.
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Propylene glycol (PG) is widely used as a drug solvent in the pharmaceutical industry.
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Unsaturated polyester resin is splitting decomposited.And phthal- ic acid(PA)and propylene glycol(PG)are determined by infrared spec- troscopy.Two phase saponification of unsatureted polyester resin at room temperature shows the existance of maleic acid and this is verified by polarographic analysis. 用无水乙醇的 KOH 溶液裂解不饱和聚酯树脂,产物经红外光谱证实有邻苯二甲酸(PA)和丙二醇(PG).不饱和聚酯树脂经室温下双相皂化裂解,用极谱测定有顺丁烯二酸(MA)存在. 文摘来源 A new process of reaction distillation for producing propylene glycol (PG) by hydration reaction between propylene ,oxide (PO) and water has been proposed by using a broader boilling range. The operating conditions have been investigated based upon computer simulation. With the new process,the water/propyl-ene oxide feed ratio reduced from 15～20 to 1. 5～3 and the selectivity to produce propy-lene glycol increased from 85 % to 93 %. The unit consumption of propylene oxide ... 本文利用环氧丙烷水合反应系统具有较大沸点差的特点,提出制备丙二醇的反应精馏新工艺,并通过过程模拟对反应精馏塔的工艺条件进行了研究。与原有工艺相比,新工艺的进料摩尔水比从15～20降至1.5～3,生成丙二醇的选择性从85％提高到93％,单耗从0.947tPO/tPG下降至0.853tPo/tPG。 文摘来源 Polyethylene glycol(PEG-400)and propylene glycol(PG)was selected as a mixed solvent to Prepare di- 为适合儿童用药,选用聚乙二醇-400和丙二醇为混合溶媒制备安定灌肠剂。用初均速法测定其稳定性,得到活化能为25.54kcal·mol~(-1),20℃贮存期为480d。 文摘来源 << 更多相关文摘 
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