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固定化

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Furthermore, the micellar structures could be fixed by chemical crosslinking of CD groups in the shell.

通过对胶束壳CD基的化学交联,将胶束结构进一步固定化

Through the comparison of quantity of cells absorbed on the eight kinds of materials, activated carbon, zeolite, sawdust and middlings have been chosen to use as materials of immobilized high-efficiency bacteria.

通过对所选的8种材料做吸菌量对比实验,确定选择活性炭、沸石、木屑以及麦麸作为粉末固定化高效菌的材料。

The properties of immobilized mycelia were studied.

固定化米曲霉菌体的拆分性质进行研究。

Then made them into immobilized cells respectively using polyvinyl alcohol and sodium alginate as carrier.The experiments werecarried out for the selection of nitrosification and denitrification conditions.

然后用聚乙烯醇和海藻酸钠作为载体将它们分别制成固定化细胞,单独作硝化和反硝化试验的条件选择。

The paper studied the effects of submerged macrophyte and immobilized bacteria on the distribution of four bacteria communities: ammonifying bacteria; nitrosobacteria; nitrobacteria and denitrifying bacteria in water column and sediment of eutrophicted water.

本试验研究了沉水植物伊乐藻和固定化微生物两者相结合对富营养化水体和底泥中4种菌群的氮循环微生物(氨化细菌、亚硝化细菌、硝化细菌、反硝化细菌)分布的影响。

Being the core of signal sample module, the bioelectrode converts nonelectric signal to electric signal by PAL and ammonia electrode.

以苯丙氨酸解氨酶电极为核心的信号采集模块,通过固定化生物活性酶和氨气敏电极完成由非电量导电量的转换过程。

The independence of words is shown phonologically by the fact that they may be preceded and followed by pauses; orthographically by their separation by means of spaces or punctuation mark; syntactically by the fact that they may be used alone as a single utterance; and semantically by the possibility of assigning to them one or more dictionary meanings.

现代汉语对词的一般定义为:词是语言中最小的、能独立运用的、形体和意义都固定化的造句单位。两种语言中关于词的描述是比较相近的: 1都有稳定的结构形式 2都有相对独立的概念 3是句子的结构要素差异: 1读音上 2书写上构词对比词是语言的基本单位,但并不是最小的有意义的单位,还可以分成更小的单位。

It is introduced that the application of pectinase in processing of fruit ,and study and development in this paper.

介绍了果胶酶在果品加工中的应用,并对果胶酶的固定化研究现状及发展前景作了阐述。

Baker's yeast without precultivation also has the ability of reduction.

固定化面包酵母在不进行预先活化的情况下在有机相中也具有还原能力。

4Mm harvested in preculture, is the best. In this form, Rhizopus oryzae R1021 produced most L-lactic acid (76. 62g/L), the pellet size in production medium in flask and fermentor are 1. 9mm and 2. 6mm, respectively, and its L-lactic acid productivity reached or exceeded that of the immobilized cell with polyurethane foam. The produced L-lactic acid and the yield of L-lactic acid based on the total glucose and the productivity are above 74g/L and 74% and 2. 69g/L h, respectively, in 7 batches repetitive fermentation in fermentor, and the size of pellets remain 2. 6mm~3. 4mm.

摇瓶种子培养获得的菌球直径为1.4mm时,这种大小的菌球产酸最高,为76.62g/L;研究表明以直径1.4mm的菌球为种子,在摇瓶发酵和发酵罐发酵中菌球大小分别为1.9mm和2.6mm;这种菌球的产酸水平最高,可以达到甚至超过聚氨酯泡沫载体固定化细胞发酵乳酸的水平;在反复7批次发酵罐发酵过程中,菌球的大小始终保持在2.6mm~3.4mm之间,L-乳酸产量、得率和生产能力分别保持在74g/L、74%和2.69g/L h以上。

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