乙胺

The strong interaction between Si-O framework and the adsorbed ethylamine, which was observed from the desorption behavior on FAU zeolite, is thermodynamically proved in this study by the high interaction strength of △H1 determined quantitatively.

由AT值观察到的高硅FAU沸石Si-O骨架与被吸附乙胺之间可能存在的强相互作用、为本研究测定的热力学定量数据△H1值所证明。

Hashish and LSD arrived on the scene.

印度大麻和麦角酸二乙胺出现

One-pot reactions of 4 with isocyanates, triphenyl phosphine, hexachloroethane and triethylamine produced 2-anilino-5-arylidene-1-aryl-4,5-dihydroimidazo[1,2-b]-1',2',4'-triazol-4-ones 6 (or 7) in good yields.

而后用4与芳基异氰酸酯、三苯基膦、六氯乙烷和三乙胺"一锅"反应，得到4，5-二氢咪唑并[1，2-b]-1'，2'，4'-三唑-4-酮衍生物6或7。

Methods Absolute concentration method was used for the detection of drug sensitivity to 4 antituberculsis agents : isonieotinyl hydrazide, rifampicin , streptomycin and ethambutol.

采用绝对浓度法进行异烟肼、利福平、链霉素、乙胺丁醇4种抗结核药物的耐受性测定。

The influences of triethylamine amount, surfactant, reaction temperature and time on the size and shape of lanthanum hydroxide nanorods were investigated in detail.

详细研究了三乙胺的用量、表面活性剂、反应温度和时间对产物形貌及尺寸的影响。

It seemed to have something to do with lysergic acid diethylamide, LSD-25, the substance he had been working on.

这好像与他所致力于合成的一种物质———麦角酸酰二乙胺（ LSD-25）有些关系。

Macerate 1.0g of the powdered sample with 20.0 ml of chloroform plus 0.3ml of 25％ NH_4 OH in a glassstoppered flask overnight.

本文报道用不含粘合剂的氧化铝薄层，以二甲苯-丙酮-无水乙醇-二乙胺(50：40：10：0.6)为展开剂分离茄科植物中的莨菪碱、东莨菪碱、山莨菪碱、樟柳碱及红古豆碱等五种莨菪烷生物碱，用改良Dragendorff试剂-Wagner试剂(1：1)显色，定量收集莨菪碱、东莨菪碱及山莨菪碱的斑点，莨菪碱和东莨菪碱用氨甲醇洗脱，蒸干洗脱液后分别用pH 5.6及pH 4.5的溴甲酚绿溶液作比色测定；山莨菪碱用4％醋酐氯仿洗脱，蒸干洗脱液后用pH 5.6的溴甲酚绿溶液作比色测定。

Mescaline is completely innocuous, and its effects will pass off after eight or ten hours.

三甲氧笨乙胺无毒，它的效力八到十小时就过去了。

The condensation reaction,in which the yield of intermediate product after refining process was more than 90%,used iso-butylaldehyde and formaldehyde as materials,Et 3N as catalyst.The hydrogenation,in which the conversion of hydroxypivaldehyde and selectivity of NPG were respectively 99% and 95%,used Cu-ZnO as catalyst,and ethanol as solute,meanwhile in the hydrogenation,the impurity in material could also ...

缩合反应采用异丁醛和甲醛为原料，三乙胺为催化剂，在 60℃左右反应，缩合产物经减压蒸馏和结晶、干燥，得到收率为 90 %以上的中间体羟基戊醛；加氢反应采用自制的Cu -ZnO催化剂，乙醇为溶剂，在 15 0℃将HPA加氢生成新戊二醇，HPA转化率为 99%，新戊二醇收率在 95 %以上，而且HPA缩合反应的副产物在加氢反应中也转化为新戊二醇。

In addition, the studies ofphotophysical and photochemical behavior of phenothiazines bymeans of laser flash photolysis were carried out.

此外，用激光闪光光解技术研究了吩噻嗪衍生物的光物理和光化学性质，并探讨了有三乙胺、四氰乙烯存在时对光解产物的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。