Derivatives of 2,2,4-trisubstiotuted tetrahydrofuran as anti fungal agents.
作为抗真菌剂的2，2，4-三取代的四氢呋喃衍生物。
The MEH-PPV chains are separated basically in THF(tetrahydrofuran) dilute solution.
在THF稀溶液中，MEH-PPV分子链基本上皆为分立态；
It is used in the manufacture of pesticides, phenol furfural resins, and tetrahydrofuran.
以它为原料可再加工成树脂，合成纤维，合成橡胶，合成香料，西药，农药等。
The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.
考察了大孔强酸性树脂对1，4 丁二醇脱水制四氢呋喃的催化作用。
The effect of factors to the growth of aeromonas THF01 which degraded tetrahydrofuran was studied by liquid culture.
以降解四氢呋喃的气单胞菌THF01为对象，采用液体培养研究了各种理化因素对其生长的影响。
Tetrahydrofuran(THF) is added for its good dissolving effect on PCS to decrease DVB and a 76% ceramic yield is obtained.
为减少体系中的DVB ，添加了PCS的良性溶剂四氢呋喃，使陶瓷产率达到了76 %。
The power index was 0.14, which indicated that the polymer had branched molecular structure in dilute solution of tetrahydrofuran.
聚合物分子在四氢呋喃稀溶液中的幂指数为0.14，说明该聚合物具有支化结构。
Chloroform - tetrahydrofuran - water (500:500:8) was used as mobile phase for the gradient elution of other strongly retained substances.
继用氯仿-四氢呋喃-水(500：500：8)为流动相，梯度洗脱其他强保留组分。
The process flow was designed and experimentally studied for separation of acetone, tetrahydrofuran (THF), triethylamine and water mixture.
对丙酮、四氢呋喃、三乙胺、水混合物的分离进行了工艺流程设计和实验研究。
New allyl lithium THF complex was prepared conveniently by the reaction of propene with n-butyl lithium in the presence of tetrahydrofuran.
在四氢呋喃存在下，将丙烯和丁基锂直接反应合成了未见文献报道的烯丙基锂四氢呋喃配合物。
The dynamic adsorption model that described the characteristics of small amount of water from tetrahydrofuran on 4a molecular sieve was developed.
建立了合适的吸附动态模型，用于分析四氢呋喃中的微量水在4a分子筛上动态吸附特性。
The target compounds were extracted with polyvinyl chloride materials dissolved in tetrahydrofuran or polyethylene materials dissolved in hot toluene.
采用四氢呋喃溶解聚氯乙烯、热甲苯溶解聚乙烯材料以提取样品中的目标化合物；
Two compounds of fruity aroma 2-hydroxy-5-pentyl tetrahydrofuran and 2-hexaoxy -5-pentyl tetrahydrofuran were prepared, and their structures confirmed.
合成了两个具有果香香气的香料：2-羟基-5-正戊基四氢呋喃及2-己氧基-5-正戊基四氢呋喃；证实了其结构。
Vapor-liquid equilibrium data of ethyl acetate-isopropyl ether and ethyl acetate-tetrahydrofuran binary systems were measured at atmospheric pressure 101.
用汽液平衡釜测定了乙酸乙酯-异丙醚和乙酸乙酯-四氢呋喃二组分物系的汽液平衡数据。
The results showed that tetrahydrofuran was a better cosolvent and the waste edible oils containing abundant free fatty acids was liable to form miscible system.
结果表明，四氢呋喃是良好的共溶剂，游离脂肪酸含量高的废食用油有利于共溶体系的形成。
The rules of displacement provided suggestion for the confirmation of double-tetrahydrofuran lignans, especially the position of hydroxylation and glycosylation.
其位移效应规律对于双环氧四氢呋喃木脂素的结构确定，尤其糖的连接位置和羟化位置的指定，提供了一定的判断依据。
Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film.
采用丙酮、四氢呋喃、乙酸丁酯和四氯化碳等有机溶剂对双酚a聚碳酸酯(BAPC)进行诱导结晶。
Li2O-B2O3 composite gels were successfully prepared from tri-n-butyl borate and lithium methoxide dissolved in methanol and tetrahydrofuran via sol-gel technique.
以硼酸三正丁酯、甲醇锂为主要原料，甲醇和四氢呋喃为溶剂，利用溶胶-凝胶法通过优化工艺制备了掺锂硼酸盐凝胶。
To analyze production and consumption situation of tetrahydrofuran at home and abroad. To assess its demand and potential development of tetrahydrofuran in China.
分析国内外四氢呋喃的生产消费情况，对未来的需求进行预测，并对我国发展潜力进行了分析。
A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .
将合成出的具有特定结构的复合型固体碱催化剂，与溶有纯化碱木素的四氢呋喃建立起多相催化体系，对碱木素进行了多相催化羟甲基化作用。
The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).
采用一步法合成以4 ，4 '-甲烷二环已基二异氰酸酯（HMDI）、扩链剂1，4 -丁二醇（BDO）为硬段，聚四氢呋喃醚（PTMG）为软段的脂肪族聚氨酯。
Polytetrahydrofuran (PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.
以发烟硫酸-高氯酸为催化剂，通过四氢呋喃的阳离子开环聚合合成了窄分子量分布的聚四氢呋喃(PTHF)。
A simple capillary GC method for the determination of residual ethanol, dichloromethane, chloroform, tetrahydrofuran, 1, 4 dioxane, pyridine and toluene in tropisetron citrate was established.
采用毛细管气相色谱法，以外标法测定枸橼酸托烷司琼中乙醇、二氯甲烷、氯仿、四氢呋喃、二烷、吡啶和甲苯的含量，用串联的HP -1 0。
At the same time , we did the study of organic solvent residue and irritation to nasal mucosa. The results illustrate that the complex has no residue of tetrahydrofuran and no obvious irritation.
同时本文对黄芩苷磷脂复合物溶剂残留量及鼻黏膜刺激性进行了考察，结果表明，无四氢呋喃有机溶剂残留，且药物没明显的刺激性。
A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.
建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。
A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.
建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。
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