查询词典 p-methoxybenzyl alcohol
- 与 p-methoxybenzyl alcohol 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The latter was esterified with allyl alcohol in the presence of the catalyst toluene-p-sulfonic acid to get the title compound in the yield of 87.1%.
后者在对甲苯磺酸催化下与烯丙醇经酯化反应制得标题化合物,收率为87.1%。
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Methods Conditions for the extraction were studied by orthogonal experimental design as guided by the content of notoginsenoside R1 and ginsenosides Rg1 present in the extract.Results The optimum condition for the extraction of P.notoginseng was to circumfuse the herb in 70% alcohol for 1.5h twice,then collect an amount corresponding to 4 times of the quantity of P.notoginseng.
以三七皂苷R1和人参皂苷Rg1为指标进行正交试验,采用胶束毛细管电色谱法测定含量,优化影响三七提取工艺的条件。
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Their structures were characterized as dihydroconiferyl dihydro-p-coumarate, vanillin, apocynin, p-hydroxybenzaldehyde, syringaldehyde, syringic acid, syringylethanone,α-hydroxypropiosyringone, coniferyl aldehyde, dihydroconiferyl alcohol, 2-hydroxyphenylpropanol, and 3-hydroxy-4-methoxy-phenylethanol, respectively.
结果 从该植物中分离得到12个酚性化合物,其结构分别为二氢松柏醇二氢对羟基桂皮酸酯,香草醛,罗布麻宁,对羟基苯甲醛,丁香醛,丁香酸,丁香乙酮,α-羟基丁香丙酮,松柏醛,二氢松柏醇,2-羟基苯丙醇和3-羟基-4-甲氧基苯乙醇。
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Products: 3 - benzoyl-ethyl acrylate (97% min), acyl phosphorus acid methyl ester (98% min), P acyl three ethyl acetate (98% min), a phosphorus acid acyl The ethyl esters (98% min), 3 - bromine -1,3,4,5 - tetrahydrocannabinol -2 H-1-benzo-Aza Zhuo -2, 1 - naphthalene-tetrahydrocannabinol (98% min), 3,5 - dimethyl benzoyl chloride (99% min), 3,5 - dichloro benzoyl chloride (97% min), the ethyl benzoyl chloride (99% min), a TCA Ester (99.5% min), o-benzoyl methyl benzene (99% min), 4 - phenyl benzophenone (99% min): glacial acetic acid (99% min), methanol (99% min), liquid chlorine (99.5% min), caustic soda (30% min), isopropyl alcohol (99% min), anthranilic acid (99% min), dichloroethane (99% min ), Chunben (99% min), toluene 99% min
3-苯甲酰基丙烯酸乙酯(97%min)、磷酰基乙酸三甲酯(98%min)、磷酰基乙酸三乙酯(98%min)、磷酰基乙酸甲酯二乙酯(98%min)、3-溴-1,3,4,5-四氢-2H-1-苯并氮杂卓-2酮、1-四氢萘酮(98%min)、3,5-二甲基苯甲酰氯(99%min)、3,5-二氯苯甲酰氯(97%min)、对乙基苯甲酰氯(99%min)、氯乙酸甲酯(99.5%min)、邻苯甲酰基苯甲酸甲酯(99%min)、4-苯基二苯甲酮
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After adjusting sex, smoking, alcohol drinking, waist-hip ratio, serum triglyceride, serum total cholesterol by logistic regression, there was also positive interaction between G894T mutation and overweight in P-CHD.
用多元Logistic回归调整性别、吸烟、饮酒、腰臀比、甘油三酯、总胆固醇后,G894T 变异与超重之间对早发冠心病仍具有正交互作用。
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Objective: To use p-toluene sulfonic acid as the catalyst for the esterification reaction of cinnamic acid with isoamyl alcohol in liquid phase.
目的:以对甲苯磺酸为催化剂对肉桂酸与异戊醇的液相酯化反应进行研究。
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The paper introduced three processes to prepare isochroman from β-phenethyl alcohol and polyformaldehyde:HCl catalysis,AlCl_3 catalysis and toluene-p-sulfonic acid catalysis,and discussed its reaction mechanism,using toluene-p-sulfonic acid catalysis method to prepare isochroman ,the yield is 46%,purity is 96%.
用β-苯乙醇和多聚甲醛为原料,进行了HC l催化法,三氯化铝催化法和对甲苯磺酸催化法的合成路线的实验,并对其反应机理进行了探讨,应用对甲苯磺酸催化法合成异色满的合成路线,得率46%,纯度96%。
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METHOD Dofetilide was synthesized by steps of reaction (substitution ,reduction, methylsulfonylation and methylammoniation, etc) from p-nitrophenol and p-amino phenethyl alcohol.
以对硝基苯酚为起始原料,经取代、还原、甲磺酰化等反应制得 4甲磺酰苯胺(5 );以对氨基苯乙醇为起始原料,经甲磺酰化、甲氨化等反应制得 4 甲磺酰苯胺(8),再与5经取代反应制得多非利特。
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The conversion of product reaches 98% under the optimal experiment condition: the molar rate of acrylic acid and tetradecyl alcohol is 1.1; the amount of p-methyl benzene sulfuric acid is 0.8%; the amount of p-benzened...
得出合成丙烯酸十四酯的最佳合成条件:丙烯酸与十四醇摩尔比为1 1,对甲苯磺酸用量为0 8%,对苯二酚用量为0 6%,反应温度为120℃,反应时间为4h。
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RESULTS: In white, but not black, men and women, magnesium intake was positively associated with BMD of the whole body after adjustment for age, self-report of osteoporosis or fracture in adulthood, caloric intake, Ca and vitamin D intake, BMI, smoking status, alcohol intake, physical activity, thiazide diuretic use, and estrogen use in women (P=.05 for men and P=.005 for women).
结果:在对年龄、成年骨质疏松症或骨折自我报告、热量摄入、钙与维生素D的摄入、体重指数、吸烟状况、饮酒量、体力活动、噻嗪类利尿剂使用情况、妇女雌激素使用情况调整后,男性及女性白人的镁摄入量与整体的骨密度均呈正相关,但黑人中情况并非如此。
- 推荐网络例句
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My first article for Screen Power Magazine, which is to this day is the official magazine of Jackie Chan, was a DVD review of the Hong Kong actioner Gen-X Cops, starring Nicholas Tse and Daniel Wu.
我的第一篇文章为屏幕力量杂志,在对这天是Jackie Chan 正式杂志,是香港actioner Gen X 警察的DVD 回顾,担任主角Nicholas Tse 和丹尼尔吴。
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His lips grazed hirs, Now what are you going to do?
他的唇使吃草了 hirs,现在你将要做什麼?
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I wasn't a huge drinker, but I enjoy it socially.
我不是一个贪杯的人,但在社交场合我会略微享受一点。