查询词典 methyl

Under the optimal reaction conditions of 0.5MPa pressure, at 150℃, H2 gas flow rate of 5000 mLh^(-1) and liquid flow rate of 5.0mLh^(-1), the conversion of furoic acid, selectivity to methyl tetra-hydro-furan formiate and yield of methyl tetra-hydro-furan formiate can reach 99.0%, 98.2% and 97.2%, respectively.

结果表明：在0.5MPa，150℃，氢气流速5000mLh^(-1)，液体流速5.0mLh^(-1)（氢油比为50）时，呋喃甲酸转化率为99.0%，四氢糠酸甲酯的选择性98.2%，产率97.2%。

Result The result showed that the inhibitory action of isofenphos-methyl on T. harzianum was strongest and the fungistatic rate was 64.37% after treated with 200 μg/ml isofenphos-methyl ,and its EC50 was 119.56μg/ml, the germination rate was 64.25 %. The next was phoxim and phoxim-cyoermethrin mixture, the germination rates were 68.5% and 72.08% when the application concentration was under normal use content, their EC50 of mycelia growth was 285.63 and 251.51 μg/ml.

结果］甲基异柳磷在田间使用浓度(200μg/ml)下对哈茨木霉的菌丝生长和孢子萌发有强烈的抑制作用，抑菌率为64.37%，抑制中浓度EC50为119.56μg/ml，孢子的萌发率仅为64.25%；其次为辛硫磷和辛。

Bunte salt was first prepared by α-furfuryl chloride and sodium thiosulfate. Then under the reaction of Bunte salt with 2-methyl-3-furanthiol in the presence of sodium hydroxide, furfuryl 2-methyl-3-furyl disulfide was prepared.

首先以α-糠基氯和硫代硫酸钠反应制备Bunte盐，然后Bunte盐与2-甲基－3-呋喃硫醇在碱性条件下反应合成了产品糠基2-甲基－3-呋喃基二硫醚。

Catalytic Synthesis of Methyl Furoate by Peroxhydrogen and Sulphate Acid;2. Using hydrochloric acid as a cheap catalyst,perfume methyl furoate was synthesized from methanol and furoic acid prepared from furfural,and was characterized by GC,IR and 1H-NMR.

从糠醛出发，由制备的糠酸和甲醇反应，在盐酸催化下，合成了香料糠酸甲酯，并用IR、1HNMR、GC等进行了表征；探讨了包括高纯度糠酸的制备在内的反应影响因素，在醇酸物质的量之比为 5∶1、催化剂体积占甲醇体积 13。

Our main products category has chloride (pivaloyl chloride, acetyl chloride, Propionyl chloride, methyl acryloyl chloride, butyl chloride, 2 - furyl chloride already chloride, acryloyl chloride, is amyl chloride, etc.) and acids (positive acid, pivalate, propionate, acetic acid, methyl acrylate, 2 - furoic acid, etc.) and so on dozens of products.

我公司主要生产的产品有酰氯类（特戊酰氯、乙酰氯、丙酰氯、甲基丙烯酰氯、正丁酰氯、2-呋喃甲酰氯、己酰氯、丙烯酰氯、正戊酰氯等）和酸类（正丁酸、特戊酸、丙酸、乙酸、甲基丙烯酸、2-呋喃甲酸等）等几十种产品。

The results indicate that the low level resistance to tribenuron-methyl in the biotype of Galium aparine from Xuchang, Henan Province, is based on the excessive expression of ALS and the enhancement of tribenuron-methyl metabolism resulting from GSTs, not due to the sensitivity of ALS. In the meanwhile POD and SOD may play a role in alleviating the spray injury.

抗药性生物型猪殃殃对苯磺隆产生抗性的原因可能是ALS过量表达及GSTs对苯磺隆的代谢作用加强，而不是由于ALS的敏感性下降，同时POD、SOD在减轻药害中也具有一定作用。

In order to study the mechanism of the biotype of Galium aparine resistant to tribenuron-methyl, the differences on ALS, GSTs, SOD and POD of the resistant and susceptible biotypes to tribenuron-methyl were preliminarily determined.

为探讨猪殃殃Galium aparine抗药性生物型对苯磺隆的抗性机制，测定了苯磺隆对猪殃殃抗性、敏感生物型体内靶标酶［乙酰乳酸合成酶］、代谢酶［谷胱甘肽-S-转移酶］及抗氧化酶影响的差异。

Chapter 2 has analysized the conversly synthetic means of solanesol and designed novelly synthetic routes of solanesol and key intermediate Chapter 3 has summarized the preparation of trans-3-methyl-4-hydroxy (bromo-2-butenyl oxy methyl benzene In chapter 4 ,a novel technology of important intermediate(all trans-8-bromo geranyl acetate),which is suitable for industrial procedure , was found .meanwhile,an another new way has been invented ,of which the key intermediate (all trans-8-hydroxy geranyl acetate) has been produced.

第二部分分析了茄尼醇的逆合成方法，设计了一条适合于合成茄尼醇的合成路线及其重要中间体的合成路线。第三部分研究了重要中间体[Trans-3-甲基-4-羟基-2-丁烯基乙酰基(苄基，2，3-二氢吡喃基)醚]的合成新方法，找到了一条适合于工业化生产的制备反式-3-甲基-4-羟基-2-丁烯基苄基醚的新方法。第四部分研究了重要中间体[-3，7-二甲基-8-羟基-2，6-辛二烯-1-醇乙酸酯、-3，7-二甲基-8-溴-2，6-辛二烯-1-醇乙酸酯]的合成新方法，找到了一条适合于工业化生产的制备它们的新方法；同时研究了一条制备-3，7-二甲基-8-羟基-2，6-辛二烯-1-醇乙酸酯的另一新方法。

There were also different components came into being, such as dodecanal, 2-methyl-1-Hexadecanol, Oleic acid eicosyl ester, 9-Octadecenoic acid-phenylmethyl ester, and 7,3',4'-trimethoxy quercetin in each kinds of concentration, and 1-tetradecanol, 1,5,5-trimethyl-6-acetomethyl-Cyclohexen, 2,6-bis(1,1-dimethylethyl)-4-methyl-phenol , 14-á-H-pregna,-5,6,7,7a-tetrahydro-4,4,7a-trimethyl-2(4H)-Benzofuranone, and heneicosane determined in 4 different treatments.

可见，添加蜜糖对黄棪毛茶的香气组分的种类有很大的影响。

This method can be used to detect 16 pesticides in 30 minutes, including organophosphorus (parathion-methyl, phorate, isofenphos-methyl, malathion, chlorpyrifos, fenthion), organochlorine (dichlororos, heptachlor, chlorothalonil,α-hexachlorocyclohexane,γ-hexachlorocyclohexane,δ-hexachlorocyclohexane, p, p'-DDE, p, p'-DDD), pyrethroids and triadimefon in vegetables.

采用选择离子－气相色谱－质谱联用方式，依据保留时间和特征离子丰度比，可以在30 min之内检测有机磷（甲基对硫磷、甲拌磷、甲基异柳磷、马拉硫磷、毒死蜱、倍硫磷）、有机氯（敌敌畏、七氯、百菌清、α-六六六、γ-六六六、δ-六六六、p， p'-DDE、p， p'-DDD）、除虫菊酯、三唑酮等16种农药。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。