查询词典 acetic

However, when the target organic was acetic acid (an inhibitor of radical reaction),Fe2+/O3 and O3 had similar degradation efficiencies.

当目标有机物是对自由基链反应具有抑制剂作用的乙酸时，O3和Fe2+/O3对乙酸有着相似的降解效率。

Almost 100% selectivity to cyclohexene could be obtained when the molar ratio of acetic acid to cyclohexane was 12.9∶1 at 450 ℃, the conversion of cyclohexane was 6.9%.

反应温度为450 ℃，醋酸与环己烷的摩尔比为12.9∶1时，环己烷的转化率为6.9%，环己烯的选择性为100%。

Nylon dyeing with acid dyestuffs was carried out with agent NSZ and acetic acid as acidifier individually, dyeing results were compared.

研究了分别以醋酸和染色酸NSZ作为酸剂对锦纶酸性染料染色性能的影响。

Nylon dyeing with acid dyes tuffs was carried out with agent NSZ and acetic acid as acidifier individually,dyeing results were compared.

研究了分别以醋酸和染色酸NSZ作为酸剂对锦纶酸性染料染色性能的影响。

After acidify with hydrochloric acid, the plasma was extracted with ethyl ether and then analyzed by Hypersil ODS2 (250×4.6 mm,5 μm) column with the mobile phase of methanol-water-triethylamine-acetic acid(2500∶1500∶15∶7), and at the detection wavelength of 355 nm.

血样经盐酸酸化后以乙醚提取，进行 HPL C分析，色谱柱为 Hypersil ODS2 (2 5 0× 4.6 m m，5 μm)，流动相为甲醇-水-三乙胺-冰醋酸(2 5 0 0∶15 0 0∶ 15∶ 7)检测波长为 35 5 nm，尼美舒利为内标。

The advantage of this process is to directly obtain acrylate through catalytic reaction of acetic acid and methanol.

本技术以煤化工基础原料合成气的基础产品醋酸和甲醇，经过催化反应合成丙烯酸，工艺技术的特点是可直接获得丙烯酸或丙烯酸酯。

Aims We investigated aerenchyma formation in stems of riparian plants Arundinella anomala and Salix variegate as affected by addition of ethylene and a-naphthalene acetic acid under non-flooded conditions in order to ascertain whether phytohormone ethylene and auxin are direct stimuli for aerenchyma formation in flooded plants.

为了探究乙烯和α-萘乙酸是否是水淹环境条件下植物体内通气组织形成的直接原因，对三峡库区岸生植物野古草和秋华柳在无水淹环境条件下施加乙烯利和α-NAA后茎中通气组织的形成情况进行了研究。

After 5 d,the alcoholicity was 7.9%.The acetic acid fer- mentation conditions were:inoculum size 10%,sugar degree 5%,alcoholicity 6%,fermentation at 30℃.

醋酸发酵的工艺条件为醋酸菌接种量10%，糖度5%，酒精度6%，30℃恒温振荡发酵6d，火龙果原醋的总酸为37g/L。

Alcohol ferment control in first pol 16°Bx and yeast inoculation quantity 10%, ferment temperature is 28 ℃, first acidity in enzyme untie the natural acidity of persimmon juice take off , ferment 3 days,and then filtrate; the acetic acid ferment select the first alcoholicity of 8v/v ,the inoculation quantity of 14%, ferment temperature is 30 ℃, ferment 5 days had better.

酒精发酵在酶解柿子浆自然酸度下，控制初糖度16°Bx，酵母接种量10%，发酵温度28℃下发酵3天后过滤去渣取上清液进行醋酸发酵。醋酸发酵选择初始酒精度为8v/v，14%接种量，发酵温度30℃，发酵5天为好。

Alcohol ferment control in first pol 16°Bx and yeast inoculation quantity 10%, ferment temperature is 28 ℃, first acidity in enzyme untie the natural acidity of persimmon juice take off , ferment 3 days,and then filtrate; the acetic acid ferment select the first alcoholicity of 8vv ,the inoculation quantity of 14%, ferment temperature is 30 ℃, ferment 5 days had better.

酒精发酵在酶解柿子浆自然酸度下，控制初糖度16°Bx，酵母接种量10%，发酵温度28℃下发酵3天后过滤去渣取上清液进行醋酸发酵。醋酸发酵选择初始酒精度为8vv，14%接种量，发酵温度30℃，发酵5天为好。

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。