查询词典 amplification

Asymmetric autocatalysis combined with chirality amplification has been made the new concept in chirality origin .

不对称自催化反应结合手性放大作用，使人们对手性起源有了新的认识。

Asymmetric autocatalysis intrinsically has the following advantages: chiral amplification of production, high reaction efficiency, easy purification of the product, consecutive reaction, and is a new aspect of chiral synthesis.

不对称自催化具有手性自动放大、反应活性较高、产物处理较易、反应体系连续等特点，是不对称化学的一个新的领域。

in order to establish a rapid, sensitive and specific detection method for identification of four kinds of food-borne pathogenic bacteria including salmonellla spp, listeria monocytogenes, staphylococcus aureus and bacillus cereus by using multiplex pcr, according to invasion protein a geneof salmonellla spp, transcriptional regulatory protein gene of listeria monocytogenes, autolysin gene ofstaphylococcus aureus and gyrase b subunit gene of bacillus cereus, four pairs of specific primers were designed for multiplex pcr amplification.

小 摘要：为建立一种利用多重pcr技术检测和鉴定沙门氏菌、单核细胞增生李斯特菌、金黄色葡萄球菌和蜡样芽孢杆菌的方法，根据沙门氏菌侵袭力蛋白a基因、单核细胞增生李斯特菌蛋白转录调控基因、金黄色葡萄球菌自溶素基因、蜡样芽孢杆菌的促旋酶b亚单位基因设计引物，进行多重pcr扩增，并对多重pcr反应体系进行优化。

In the present study,using PCR amplification and automatic sequencing of EDA gene coding region,we report five mutations identified in 6 Chinese families with XLHED, including three novel ones:p.M1T,p.L62P and

其中3个点突变(p.M1T、p.L62P和p.G195E)为国际首次报道的新突变。

The fragment size can be amplified by 295 bp through the primer, in order to prevent false positive from appearing, a pair of internal control primers C34 is designed through the invention according to a bull autosome 3 reported sequence, the fragment size is amplified by 208bp, dual PCR amplification is performed to single bull sperm through the two pairs of primers, and then the final evaluation is performed to the sperm separation purity according to the statistical analysis to the detection result.

本发明提供了一种检测X、Y精子分离纯度的引物，该引物是针对牛Y染色体上性别决定基因Sry通过PCR错配技术设计而成，通过该引物可扩增片段大小为295bp，为了防止假阳性出现，本发明根据牛3号常染色体报道序列设计了一对内标引物C34，扩增片段大小为208bp，通过上述两对引物对单个牛精子进行双重PCR扩增，然后根据对检测结果的统计分析，对分离精子纯度做出最终评价。

Once the price of medium-term deviation from the average rate of re-amplification, Italy.

一旦价格对中期均线的乖离率重新放大，则意。

To evaluate the specificity of the PCR, genomic DNA of Theileria annulata,Babesia bovis,Toxoplasma gondii,Leishmania donovani and standard strain of N. caninum were used as a template in the PCR. For determining the detection limit of amplification procedure, PCR was run on a dilution series of genomic DNA from N. caninum（1.562 5-200 ng/ml）. Brain tissue samples of 32 aborted fetuses were detected by PCR-based assay, and 23 blood samples from mothers were tested by ELISA. Results The amplified DNA fragment （350 bp）had a high identity of 98% with the Nc-5 gene sequence of N.

以环形泰勒虫、牛巴贝斯虫、刚地弓形虫、杜氏利什曼原虫以及犬新孢子虫标准株DNA为模板进行扩增以验证PCR的特异性，采用紫外分光光度计测定犬新孢子虫标准株DNA浓度和纯度，取高纯度的DNA样品用灭菌水稀释，分别取不同量的DNA进行PCR扩增，确定PCR方法的敏感性；利用该方法对32份奶牛流产的胎牛脑组织样品进行检测，同时，对其中23份流产的母牛血样进行ELISA血清学检测，以评价犬新孢子虫PCR方法的检测效果。

It uses special signal amplification circuit to realize elimination of background THz radiation noise.

采用特殊的信号放大电路实现消除背景THz辐射噪声的功能。

A bank notes traders said that since October, the Bank of Acceptance of the market demand was geometry-based amplification.

"偷票很！"银行票据交易商表示，10月以来，对市场需求的承兑银行是几何的扩增。

Answer: The sound amplification system, set in banqueting hall, provides audio and video for the activities. There are pillar speakers and projector screen in the banqueting hall for the meeting.

答：宴会厅设置音响系统，为举办各种活动提供必要的音频、视频信号，会议厅设广播声柱、投影幕布，供举行会议使用。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。