查询词典 substrates

Suitable substrates were the key factors for xylanases production. XylanaseB was produced mainly when corn starch or beechwood xylan was used as the inducing substrate.

发酵底物是产生木聚糖酶的重要影响因素，在以玉米淀粉或山毛榉木聚糖为底物时，产生的木聚糖酶主要是木聚糖酶B，而以廉价的麦麸为底物则主要产生木聚糖酶G和B。

The epoxidation of of various olefins was carried out using LDH-F with Mg/Al=5 as the catalyst and H2O2 and benzonitrile as the oxidants. This catalytic system has excellent catalytic activity. The conversion and selectivity are both above 95% when using styrene, indene, allyl alcohol, and allyl chloride as the substrates.

以Mg/Al=5的LDH-F为催化剂，H2O2和苯甲腈为氧化剂对不同官能团化烯烃进行环氧化反应，结果表明，此催化体系具有良好的催化性能，在苯乙烯、茚、丙烯醇和烯丙基氯环氧化反应中转化率和选择性均在95%以上。

This paper assesses the effect of process parameters on the development and stability of the braze metal and the interactions of the filler metal with the two substrates.

本文评估了工艺参数对的发展和稳定的钎焊金属和相互作用的钎料与两个基板。

Calcifuge Describing plants that grow on soils containing very little calcium carbonate, such as sandy or peaty soils and cannot grow on basic substrates such as most chalk and limestone soils.

嫌钙植物：在碳酸钙含量低的土壤中生存的植物，例如在沙地或泥地中生长。这种植物在石灰石之类的碱性基质中不能生长。

The influences of different cultivation substrates,ways of covering,types of fertilizers and application approaches on colored calla lily soft rot were studied.

以彩色马蹄莲的红色品种(M5)和黄色品种(M13)为供试材料，研究了不同栽培基质、覆盖方式、施肥种类、施肥方法等因素对彩色马蹄莲细菌性软腐病发生的影响。

The enzyme hydrolyzed cellobiose and salicin more efficiently than other substrates. Its michaelis constant for hydrolysis of salicin was 3.09 mmol/L.

该酶对纤维二糖和水杨素的水解能力最强，水解水杨素的Km值为3.09 mmol/L。

The physicochemical properties of sawdust-compound substrates and their effects on cherry tomato were studied by pot experiment.

利用来源广泛且成本低廉的木屑作为主要成分制成不同复合基质，研究其理化性质及其栽培樱桃番茄的效果。

And among substrates including 2'-chloroacetophenone, 3'-chloroacetophenone, 4'-chloroacetophenone and 3-chloropropiophenone, the highest productivity of the reduced product with S. cerevisiae B5 was observed for 2'-chloroacetophenone.

许多研究者都在致力于研究和开发产物转化率高、手性选择性好的手性化合物合成路线，其中生物转化法由于其温和的反应条件及高度的手性选择性而受到人们的青睐。

The function of the addition of co-substrate ethanol was to in-situ regenerate NADH. A mathematical model was derived, in which, two substrates were catalytically reacted in sequence. The model was applied to the system involving the reduction of 2'-chloroacetophenone to R-2'-chloro-1-phenyl-ethanol by S.

深入研究了在乙醇存在下生物还原过程中酵母细胞内NADH、NAD〓、NADPH及NADP〓浓度的变化规律，发现胞内NADPH浓度迅速降低到零，而NADH浓度始终维持在较高水平，证明了用于底物还原反应的辅酶是NADH，辅助底物乙醇的加入有利于实现辅酶Ⅰ的原位再生。

In order to study the digestion of fibrous materials ADF and NDF,the alfalfa,ryegrass and their powder mixture were chosen as the substrates,and mixed with the cecum chyme filtrate for fermentation.pH value declined to 6.9 during first three hours fermentation,and then came to be stable.

以苜蓿草粉、黑麦草粉和混合草粉(质量比为1∶1)为底物，接种鹅盲肠食糜滤液进行体外培养。试验结果为：培养液pH值在0~3 h下降到6.9左右，后逐渐趋于稳定；苜蓿草粉ADF、NDF和半纤维素的消失率分别为1.15%，1.18%，-0.19%；黑麦草粉三者的消失率分别为1.45%，9.05%，3.07%；而混合草粉三者的消失率分别为15.72%，13.2%，9.87%。与单一草粉的ADF、NDF和半纤维素的消失率都有显著差异(P.05)。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失