甲醇

Objective: To establish the method of detecting methanol, benzene, toluene and xylene with gas-chromatography in the air of workplace.

目的：探讨一次采样气相色谱同时测定工作场所中甲醇、苯、甲苯和二甲苯的方法。

There is by-product zinc chloride-methanol- zinc dust mixed waste liquid in the production of fluorocarbon coatings.

氟碳树脂漆生产过程中，副产氯化锌-甲醇-锌粉混合废液。

Thus, the reaction of methanol with hydroxy group on the surface of zinc oxide surface was reversible.

因此甲醇在氧化锌表面吸附生成甲氧基和水的反应是可逆的。

The reaction of methanol with hydroxy group on the surface of zinc oxide surface was reversible.

因此甲醇在氧化锌表面吸附生成甲氧基和水的反应是可逆的。

Acetoin was shown to function as an inducer for the expression of aco genes, whereas glucose exhibited a repression effect.

被认定为诱导物的乙醯甲基甲醇可刺激启动区的表现，而葡萄糖则表现抑制现象。

The catabolites of acetoin metabolism such as 2,3-butanediol and acetaldehyde as well as other carbohydrates including galactose, lactose, and glycerol did not affect the expression of Paco and PacoK, whereas maltose stimulates the expression of PacoK at 210 min.

其他的乙醯甲基甲醇代谢物如2， 3-丁二醇与乙醛，以及其他糖类包括半乳糖，乳糖和甘油对acoABCD及acoK启动区的表现能力并无明显影响，而在210分钟时，麦芽糖则可刺激acoK启动区的表现。

We use Bond Elute C18 solid-phase extraction cartridge, the hope was isolated from the urine of rabbits administered the pre-contracting out of aconitine aconitine times the original base Aconine and alkali Benzoylaconine other metabolites, the methanol elution phase, but it does not Er Shi found that the chemical is expected to experiment an impasse.

我们利用Bond Elute C18固相萃取分离小柱，希望从给药家兔尿液中分离出预判的乌头原碱Aconine和乌头次碱Benzoylaconine等代谢产物时，甲醇洗脱相中却并没有发现预期的化学物质而使实验陷入了僵局。

Among those malignant neoplasm cases, the lung cancer and colorectal cancer are the first and third places of the top ten leading cancer, respectively. In this study, the combination index methodology was used to discuss the synergism or antagonism among these anti-tumor components from adlay bran.

本研究以组合指数来探讨由本实验室自薏苡麸皮甲醇萃出物分中所分离纯化出之化学有效成分对抑制人类肺癌A549和结肠癌细胞HT-29生长的相乘作用或拮抗作用，探讨各个活性成分之间的相互影响和作用关系。

For the synthesis reaction of chalcone, cyclohexanone aldolization and biodiesel,γ-Al_2O_3-NaOH-Na solid superacid has a satisfactory catalytic activity. With hypnone and phenylaldehyde as raw material, amount of catalyst 7.5% wt% of material, mole ratio of hypnone and phenylaldehyde 1:1.1, reaction temperature 40℃, after 3 hours, the yield of chalcone can be up to 96.88%. With cyclohexanone as raw material, amount of catalyst 10% wt% of material, reaction temperature 190℃, after 3 hours, dimmer of cyclohexanone can be up to 85.66%.

将该固体超强碱催化剂应用于查尔酮、环己酮自缩合以及生物柴油的合成反应中，该改性固体超强碱催化剂表现出了良好的催化活性：以苯乙酮和苯甲醛为原料，反应温度为40℃，催化剂用量为反应物总质量的7.5％，苯甲醛与苯乙酮摩尔比为1：1.1，反应3h查尔酮产率可达96.88％；以环已酮为原料，催化剂用量为原料总质量的10％，反应温度为190℃，反应3h，二聚物的总收率可达85.66％；以动物油和甲醇为原料，醇油摩尔为9：1，催化剂用量为动物油质量的2％，反应温度为70℃，反应3h后，生物柴油的收率可达91.8％。

A new compound of merocyanine dye based on fullerene unit (2) was designed, synthesized and characterized by MALDI-TOF, FT-IR, NMR and UV-vis spectra and the allochroic processes were also studied.

并对化合物 2的变色过程进行了研究，发现该化合物对极性溶剂如甲醇、N ，N 二甲基甲酰胺和酸或碱如乙酸、乙醇钠等具有良好的变色过程。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。