查询词典 lipase

Tert-amyl alcohol was used as a reaction medium for Novozym 435 lipase-catalyzed methanolysis of soybean oil for biodiesel production.

叔戊醇作为反应介质，固定化脂肪酶Novozym 435催化大豆油与甲醇的转酯反应制备生物柴油。

Firstly, the methanolysis of different oils by alkali-catalysis and lipase-catalysis werestudied.

首先，本文分别采用酶法和化学法对不同来源的油脂和甲醇转酯化反应进行了考察和优化，对不同催化剂催化生产生物柴油进行了对比。

The methanolysis of soybean oil and waster cooking oil bylipase-catalysis were not significant different, which showed that lipase was an effectivecatalyst on transesterification of oils having high concentration of free fatty acids.

其次，对副产物甘油的生物利用进行了研究，分别考察了在厌氧和微氧条件下，间歇发酵和批式流加发酵中工业级和试剂级原料对菌体生长及产物合成的影响。

The oil was further explored for biodiesel production by lipase-catalyzed methanolysis. Two processes were studied, namely, three-step methanol loading in solvent-free system and all-in-one methanol loading in tert-butanol system.

进一步利用该酵母油脂为原料分别研究了无溶剂体系中三步甲醇法及在叔丁醇介质体系中脂肪酶催化合成生物柴油，发现脂肪酶可以有效转化该酵母油脂制备生物柴油。

The crudeglycerol from biodiesel production could be directly converted to 1,3-PD without any priorpurification. In flask cultures, the 1,3-PD yields of 0.62 and 0.44mol/mol on crude glycerolfrom lipase-and alkali-catalyzed methanolysis of soybean oil were lower than that of0.68mol/mol on pure glycerol. In fed-batch fermentations, the 1,3-PD yields of 0.47 and0.46mol/mol on crude glycerol were comparable to that of 0.49mol/mol on pure glycerol.

生物柴油的副产物甘油不经纯化可以直接用来发酵生产1，3-丙二醇，在摇瓶培养中，由酶法和碱法得到的甘油获得的1，3-丙二醇的转化率分别为0.62mol／mol和0.44mol／mol，而纯甘油得到的转化率为0.68mol／mol；在批式流加发酵中，由酶法与碱法得到的甘油和纯甘油得到的1，3-丙二醇的转化率相差不大，分别为0.47mol／mol、0.46mol／mol和0.49mol／mol，纯甘油得到的生产强度最高，为2.0g／，两种粗甘油得到的生产强度都为1.7g／。

The results of the orthogonal experiments indicated that, steamed bread with the best quality could be obtained when the additions of DATEM, Monoglycerid Ester and lipase are 0.10%, 0.05% and 10 mg/kg respectively.

DATEM添加量为0.10%，单甘酯添加量为0.05%且脂肪酶添加量为10mg/kg时馒头能获得最好品质。

Three common lipase activity determination methods including alkaly titrition method,ρ-nitrophenol method and copper soap method, aiming at consuming time, accuracy and repeatability, are compared.

比较了碱滴定法、对硝基苯酚法和铜皂法等三种常用的脂肪酶活力测定方法的测定时间、准确性和重复性。

The aim was to study the feasibility of catalyzing the transesterification of 3-N-butylphthalide by lipase in nonaqueous media.

［目的］研究在非水相介质中脂肪酶催化丁基苯酞的转酯化可行性。

Objective The aim was to study the feasibility of catalyzing the transesterification of 3-N-butylphthalide by lipase in nonaqueous media.

研究在非水相介质中脂肪酶催化丁基苯酞的转酯化可行性。

Esterification of sorbitan and oleic acid can be carried out by lipase CAL in nonaqueous phase under mild conditions.

失水山梨醇单油酸酯作为一种重要的非离子表面活性剂，可利用脂肪酶在非水相中合成[1] 。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。