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Based on the assessment of mycelial biomass, xylanase activity and content of xylose-equivalent reducing sugars in their liquid cultures, the isolate CY4786 was best for xylanase production in a basal medium containing birchwood xylan (10.0 g/L)as a sole carbon source, yeast extract (2.5 g/L) and sea salts (15.0 g/L) with initial pH 7.8. When assayed at the optimized regime of 50℃ and pH 4.6, the activity of xylanase produced by CY4786 in 7d liquid culture at 25℃ reached 1.07 × 104 unit/mL.

根据培养液中菌丝生物量、木聚糖酶活力和木糖等价还原糖含量等指标的测定，菌株CY4786在起始pH 7.8的木聚糖-酵母膏-海盐液体培养基中25℃下震荡(100r/min)培养7d产酶最佳；粗酶液在50q℃和pH 4.6的优化条件下进行测定，木聚糖酶活力达到1.07×104U/mL。

AIM:Studies on totipotential stem cells using primordial germ cells have the same application prospect as embryonic stem cells, especially for the animals difficult to isolate embryonic stem cells from blastula.

目的：应用原始生殖细胞进行全能干细胞的研究具有与胚胎干细胞同样广阔的前景，尤其适合于难以从囊胚内细胞团中分离培养胚胎干细胞的动物。

ABSTRACT: Objective To explore a new method to isolate genomic DNA from human blood clot.

目的 建立一种新的从人血凝块中提取基因组DNA的方法。

Objective To explore a new method to isolate genomic DNA from human blood clot.

目的 建立一种新的从人血凝块中提取基因组DNA的方法。

Nothing unusual about that out here in the boonies, but the lane was a long one and a good storm could isolate the two of them for some time until a good-hearted neighbor finally brought a tractor and blower over to clear it out.

这在偏僻的乡村也没什么奇怪的，但是这条小路很长，而且一场大的暴风雪可以把他们两个隔开一段时间，直到一个好心的邻居最后带来拖拉机和鼓风机把小路清扫干净。

In the bounded linear operator approximation theory of Hilbert Space,the isolate point of operator essential spectrum is always a problem. In this paper,a general method to treat this problem is given.

孙辉在Hilbert空间线性算子逼近论中，算子本质谱的孤立点通常是处理一些问题的主要障碍之一，本文给出处理算子本质谱的孤立点的一般方法。

TheMADS box locates just at the 5'end of most of genes and is highly conserved.According to these,a primer was designed and the effort to isolate new membersof MADS box gene family in rice genome by RT-PCR was made.

绝大多数已克隆到的这类基因的MADS-box恰好位于5'端，而且非常保守，因此，我们根据MADS box基因的保守区设计了一个特异的引物，试图通过RT-PCR分离出水稻花中MADS box基因家族的新成员。

Even if it is brand new, it may have problems that will be difficult to isolate later.

即使是全新的，它可能有问题，这将是困难的，孤立的。

The objective of this study is to isolate and clone the genes of flavonoid biosynthesis in Brassica juncea.

分离和克隆芥菜型油菜类黄酮合成相关基因。

According to standards of virus classification, it is proved that the isolate was budgerigar fledgling disease virus which had placed into the Polyomavirus genus of Papovaviridae.

根据病毒分类的标准确认为澳州长尾小鹦鹉幼雏病病毒，应归属于乳多空病毒科多瘤病毒属。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。