查询词典 cellulase

Cellulase activity in adventitious roots of maize during aerenchyma formation induced by flooding was located through Cellulase activity in adventitious roots of maize during aerenchyma formation induced by flooding was located through the reaction of Benedict's reagent with reducing sugars liberated by hydrolysis of carboxymethylcellulose.

采用本氏试剂与羟甲基纤维素水解还原糖反应的细胞化学方法，对玉米不定根淹水诱导形成通气组织过程中，逐步解体的皮层细胞内纤维素酶活性进行了定位观察。

The endogenous cellulase from the gut of Pheretima aspergillum by homogenization was separated by DEAE anion exchanger and gel filtration chromatography, and a single band with cellulase activity was identified by SDS-PAGE and zymography.

通过对参环毛蚓肠道组织提取液进行DEAE阴离子交换及凝胶过滤层析，获得参环毛蚓单一的内摞纤维素酶的活性组分。

Also, it could be used to study the effect of cellobiose on cellulase activities and the inhibition of dyestuff in the enzymatic treatment bath against cellulase activities.

滤纸崩溃法可以测定某些滤纸糖化法无法测定的中性酶和弱碱性酶的总活力，也可用来研究纤维二糖对纤维素酶活力的影响，以及染料溶液对纤维素酶活力的抑制等。

In the thesis, we investigated the applications of cellulase to paper industry and measurement of cellulase activities.

论文着重研究了纤维素酶在造纸工业中的应用，同时探讨了有关纤维素酶活力测定的几个问题。

In the thesis, we investigated the applications of cellulase to paper industry and measurement of cellulase activ...

生物技术是当今世界发展最快、最活跃的高新技术之一，它也不断地为传统的造纸工业注入活力。

Because of specificity and high efficiency, the catalytic efficiency of cellulase is high(more 103~1013 times than general catalysts), the condition of catalytic reaction is mild and the catalytic activation can be adjusted and controlled, which can improve remarkably semblance and handle of fabrics during finishing fabrics by biological catalyzing, moreover cellulase can replace some chemical materials such as acid, cocain, chlorine and phosphorus etc, so as to decrease pollution, make no waste-water and protect environment.

由于酶具有专一性和高效性，采用生物催化，其催化效率高比一般催化剂高10~3～10~(13倍，催化反应条件温和，催化活性可调节控制，应用在纺织品处理上，能显著改善织物的外观和手感，并能取代一部分酸、碱、氯、磷化合物等化工原料，从而减少污染，不产生污水，有利于环保和生态。而且酶本身又无毒，容易生物降解，不会引起环境污染，所以酶处理已被公认为是一种符合环保要求的绿色印染加工方法。本文选用了市场上常用的纤维素酶R-10和纤维素酶ECS2610两种生物酶。

Symbiotic fungus from the nest play an important role in cellulose degradation, termite could obtain extrinsic cellulase for digesting the lignocellulose from food. The paper mainly compared the discrepance of cellulase activities from termites living different habit, and illustrated the secretion mechanism of cellulase in termite.

高等白蚁后肠缺乏原生动物，但其巢体上的共生真菌具丰富的纤维素酶，因此白蚁常通过取食巢体上的共生真菌来获得外源性纤维素酶，协助完成食物中纤维素的消化与吸收。

Virulence test demonstrated that the recombinant AHL-Lactonase has a strong anti-pathogenic activity to Erwinia cawtovora, and the addition of AHL-Lactonase to the medium of pathogen could reduced the activity of pectate lyase, prctin lyase, cellulase and polygalacturonase after 20h.

致病性检测表明，重组AHL-Lactonase对胡萝卜软腐病菌具有较强的抗病活性，在致病菌培养基加入AHL-Lactonase培养20h之后，培养基上清之中果胶酶(pectate lyase and prctin lyase，PL)、纤维素酶(cellulase，Cel)和多聚半乳糖醛酸酶(polygalacturonase，PG)的活性都存在不同程度的减小。

The most appropriate catalyzed temprature and pH for it is 60 ℃ and 5.5 respectively. It has the extreme stability at the temperatures no more than 50 ℃.The CMC-Na has the protective effect on the cellulase. The pH stability range of the purified cellulase is 4 ~ 8. Zn2+, Ca2+, Mg2+, K+, Li+ can ativate the cellulase. And cellulase can mainly decompose CMC and salicin, but can decompose other substrates feebly.

对这个组分的催化性质进行了研究，该酶的最适催化温度60 ℃，pH值为5.5，在50 ℃以下酶的稳定性较好，70 ℃条件下底物对酶有较强的保护作用，该酶的pH稳定性范围为4～8， Zn2+，Ca2+，Mg2+，K+，Li+对酶活有促进作用，Mn2+、Co2+、、Fe2+、Fe3+对酶活起抑制作用，酶对CMC-Na和水杨素有分解作用，而不分解脱脂棉和滤纸。

The biocatalyzed characters of the purified cellulases were investigated with the CMC-Na as substrate. The most appropriate catalyzed temprature for cellulase 1 is 60 "C,and 65 for cellulase 2. The two enzymes have the extreme stability at the temperatures no more than 50.The CMC-Na has the protective effect on the cellulase. The pH stability range of cellulase 1 is 4 ~ 8, and 6-9 for cellulase 2. Zn2+, Ca2+, Mg2+, K+, Li+can ativate cellulase 1. K+, Li"1 can ativate cellulase 2. Cellulase 1 can mainly decompose CMC and salicin. Cellulase 2 can decompose not only CMC and salicin, but other substrates feebly.

以羧甲基纤维素为底物时，酶1的最适催化温度为60℃，酶2的最适催化温度为65℃，在50℃以下稳定性较好，底物对酶有较强的保护作用；酶1和酶2的最适pH分别为5.5和5.5～6.0，酶1的pH稳定性范围为4～8，酶2的稳定性范围为6～9；Zn~(2+)，Ca~(2+)，Mg~(2+)，K~+，Li~+对酶1有激活作用，K~+，Li~+对酶2有激活作用；酶1主要对CMC和水杨素有分解作用，对其它底物几乎不分解；酶2除了可以分解CMC和水杨素外，对其它底物也有微弱的分解作用。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。