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methyl salicylate相关的网络例句

查询词典 methyl salicylate

与 methyl salicylate 相关的网络例句 [注:此内容来源于网络,仅供参考]

Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物,如甲苯,二甲苯,萘,四氢萘和甲基萘;氯代芳香族碳氢化合物,如氯苯,氟,氯萘和萘;酯类,如醋酸丁酯,醋酸乙酯,苯甲酸甲酯,苯甲酸乙酯,苄酯,苯甲酸正丁酯,苯,醋酸丁酯乳酸,乳酸苄,二甘醇二丙酸酯,邻苯二甲酸二甲酯,邻苯二甲酸二乙酯,邻苯二甲酸二丁酯,二(2乙基己基)酯;醇有6个或更多碳原子,如己醇,辛醇,苯甲醇,苯乙醇,苯氧基乙醇,丙醇和苯氧基苯氧丁醇;醚至少有5个碳原子,最好荤5-14醚,如苯甲醚和phenetol;硝化棉,纤维素醚,醋酸纤维素,低气味石油蒸馏;松节油;白酒,石脑油isopropylbiphenyl;萜类,植物油,矿物油,挥发油;和天然油,以及任何两个或两个以上其混合物。

All results showed that three kinds of medicament on controlling sweetpotato black rot is effective, the control effect of 70% thiophanate-methyl and 50% carbendazim were above 90%, 50% amobam was above 80%. The four kinds of medicament on controlling sweetpotato stem nematode with 40% isofenphos-methyl, 50% phoxim, 5% aldicarb and 5% ethoprophos in the field showed obvious effect, the control effect were 88.81%, 83.29%, 93.63% and 90.35%.

在贮藏期间对甘薯黑斑病的药剂防治试验中,70%甲基托布津、50%多菌灵和50%代森铵三种药剂对甘薯黑斑病均有较好的防治效果,70%甲基托布津和50%多菌灵的防治效果达90%以上,50%代森铵的防治效果达80%以上;在田间对甘薯茎线虫病的药剂防治试验中,40%甲基异柳磷、50%辛硫磷、5%神农丹和5%茎线灵四种药剂对甘薯茎线虫病的防治效果明显,防效分别为88.81%、83.29%、93.63%和90.35%。

Content of butanoic acid, methyl ester; butanoic acid, ethyl ester; hexanoic acid, methyl ester; DMHF; DMMF identified in strawberry cultivated from green house were higher than that cultivated in the open field of the correspongding nitrogen levels , and the hexanoic acid, ethyl ester could only identified in green house strawberries.

不同氮素水平温室草莓果实中丁酸甲酯、丁酸乙酯、己酸甲酯、DMHF、DMMF的相对含量和总量均比相应氮素水平的露地草莓的高,且己酸乙酯只是在温室草莓中检测到。

Both in green house and in the open field ,relative content and total content of characteristic aroma components:of butanoic acid, methyl ester; butanoic acid, ethyl ester; hexanoic acid, methyl ester; hexanoic acid, ethyl ester; DMHF; DMMF trended to increase and then decline with the increment of nitrogen fertilizer, and the highest was the Mid-N fertilizer treatment. So favorable nitrogen application can promote the process of fruit aroma, that is , feasible fertilizer application could enhance fruit flavor.

在温室和露地两种栽培条件下,除成熟草莓果实的特征香气成分丁酸甲酯、丁酸乙酯、己酸甲酯、己酸乙酯、DMHF、DMMF的相对含量和总量均是随施氮量增加先增加后减少,中量氮肥处理最高,合理的施氮量有利于果实香气的形成,即适宜的施肥量有利于增进果实风味。3。

Two haptens of MCPA, 6-[(2-methyl-4-chlor phenoxy aceto amino] hexanoic acid and 4-[(2-methyl-4-chlor phenoxy aceto amino]butanoic acid were synthesized with MCPA and amino-hexanoic acid or amino-butanoic acid.

以除草剂2甲4氯、氯化亚砜、氨基己酸和氨基丁酸等为起始原料,经两步化学反应分别合成了两种MCPA半抗原:6-(2-甲基-4-氯苯氧乙酰基)氨基己酸和4-(2-甲基-4-氯苯氧乙酰基)氨基丁酸。

In order to research the relations of carbon sources to structure of PHAs, six kinds of PHAs sample were synthesized by activated sludge with six different carbon sources respectively in the aerobic-anaerobic-anoxic process. Their structures were determined by 〓HNMR、〓CNMR and GC-MS. When the carbon source was acetate, the unit composition of PHAs was 93. 91mol% 3-hydroxybutanoic acid and 6. 09mol% 3-hydroxypentanoic acid ; When the carbon source was propionate, the unit composition of PHAs was 28. 66mol% HB, 63. 13mol%HV, 2. 55mol% 2-methy-3-hydroxy-butanoic acid (2MHB) and 5. 66mol% 2-methyl-3-hydroxypentanoic acid (2MHV); When the carbon source was 80% butyrate and 20% 1, 4-butanediol, the unit composition of PHAs was 65. 03mol% HB, 28. 06mol%HV, 1. 91mol%2MHB, 2. 69mol% 2MHV, 0.73mol% 4-hydroxy butanoic acid (4HB), 0.78mol% 4-methyl-3-hydroxy-pentanoic acid (4MHV), 0.80mol% 3-hydroxyhexanoic acid ; When the carbon source was 20% butyrate and 80% 1, 4-butanediol, the unit composition of PHAs was 61. 39mol% HB, 23. 01mol%HV, 4. 58mol%2MHB, 5. 97mol% 2MHV, 0.91mol% 4HB, 2. 37mol% 4MHV, 1. 77mol% HHx; When the carbon source was 60% pentanoate and 40%glucose, the unit composition of PHAs was 41. 24mol% HB, 58. 76mol%HV; When the carbon source was 60% benzoate and 40% glucose, the unit composition of PHAs was 65. 48mol% HB and 34. 52mol% HV.

为了研究不同碳源与产物PHAs结构的关系,采用好氧-厌氧-缺氧模式利用6种不同碳源培养活性污泥得到6种不同的PHAs样品,通过〓HNMR、〓CNMR和GC-MS谱图确定了这6种PHAs的单体成分和比例:以乙酸钠培养活性污泥得到的PHAs的单体组成是93.91mol%3-羟基丁酸和6.09mol%3-羟基戊酸;以丙酸钠培养活性污泥得到的PHAs的单体组成除28.66mol%HB、63.13mol%HV外,另外还有2.55mol%3-羟基2-甲基丁酸(2MHB)和5.66mol%3-羟基2-甲基戊酸(2MHV);以80%丁酸钠和20%1,4-丁二醇混合溶液培养活性污泥得到的PHAs含有七种单体组成:65.03mol%HB,28.06mol%HV,1.91mol%2MHB,2.69mol%2MHV,0.73mol%4-HB(4-羟基丁酸),0.78mol%4MHV(3-羟基-4-甲基戊酸),0.80%HHx(3-羟基己酸);以20%丁酸钠和80%1,4-丁二醇培养活性污泥所得到的PHAs含有与3#样品相同的七种单体,只是比例不同,分别是61.39mol%,23.01mol%,4.58mol%,5.97mol%,0.91mol%,2.37mol%,1.77mol%;以60%戊酸钠和40%葡萄糖培养活性污泥所得到的PHAs由HB和HV组成,比例是41.24 mol%∶58.76 mol%;以60%苯甲酸钠和40%葡萄糖培养活性污泥所得到的PHAs也由HB和HV组成,比例是65.48 mol%∶34.52 mol%。

A 125W UV lamp (365nm) was used as light source. The photoelectrochemical system consisted of three electrodes. As follows, Ti/TiO2 thin film was used as the working electrode, graphite electrode as the counter electrode and saturated calomel electrode as the reference electrode. Methyl orange was used as the objective substance. The photoelectrocatalytic degradation of Methyl orange on the Ti/TiO2 thin film was studied .The effects of some factors such as external bias potential, ventilation were also observed.

并以125W紫外线高压汞灯为光源,Ti/TiO2薄膜为工作电极,石墨电极为辅助电极,饱和甘汞电极为参比电极,建立了三电极的光电催化体系,甲基橙溶液为降解对象,并对其在Ti/TiO2薄膜电极上的光电催化降解进行了研究,观察外加电压、通空气等外加因素对甲基橙降解速率的影响。

In the determination of methyl acrylate,butyl acrylate and methyl methacrylate in ambient air,the sample was absorbed with active carbon and resolved with carbon bisulfide,and then determined by GC.

测定环境空气中的丙烯酸甲酯、丙烯酸丁酯和甲基丙烯酸甲酯时,气样采用活性炭吸附,用二硫化碳解析,直接进气相色谱仪检测,根据保留时间定性,外标法定量,能获得良好的线性和较低的方法检出限,不仅精密度、灵敏度和重复性良好,而且可操作性强,易于在环境监测系统中推广。

In the determination of methyl acrylate,butyl acrylate and methyl methacrylate in ambient air,the sample was absorbed with active carbon and resolved with carbon bisulfide,and then determined by GC.After the qulitation by retention time and quantitation by external standard method,the good linearity and low detection limit were got.

测定环境空气中的丙烯酸甲酯、丙烯酸丁酯和甲基丙烯酸甲酯时,气样采用活性炭吸附,用二硫化碳解析,直接进气相色谱仪检测,根据保留时间定性,外标法定量,能获得良好的线性和较低的方法检出限,不仅精密度、灵敏度和重复性良好,而且可操作性强,易于在环境监测系统中推广。

The synthesis method comprises the following steps: adding 2-( 5-(dimethylamino methyl- 2- furyl methyl sulpho ethylamine and 1- methylthio- 1- methylamino- 2- nitro ethylene with a molar ratio of 1.04: 1 into water, heating to 48- 52 Deg. C, reacting 4.5 hours with a vacuum degree of 0.02- 0.05 MPa, cooling, adding sodium-hydroxide of concentration of 10% to regulate the PH value to 11.0- 11.4, filtrating and cooling the filtrate to 0- 2 Deg. C, crystallizing for 12 hours, centrifugally filtrating, and rinsing filter cake with purity water to prepare wet ranitidine alkali; dissolving ranitidine alkali in alcohol and reacting with chlorhydric acid to prepare ranitidine hydrochloride.

合成方法包括:将摩尔比为1.04∶1的2-(5-(二甲氨基甲基-2-呋喃基甲基硫代乙胺与1-甲硫基-1-甲胺基-2-硝基乙烯加入水中,升温至48-52℃,于真空度0.02~0.05MPa反应4.5小时,反应完毕降温,用10%氢氧化钠溶液调pH=11.0-11.4,抽滤,滤液降温至0~2℃,结晶12小时,离心甩滤,用纯化水漂洗滤饼,得雷尼替丁碱湿品;将雷尼替丁碱溶于乙醇中与盐酸反应,制备得到盐酸雷尼替丁,产品符合欧洲药典标准。

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