查询词典 insect vector

Results The rates of awareness about avian influenza and its infection sources were 99.0% and 83.8%,respectively;The rates of awareness about route of transmission of contact transmission,airborne infection,dungwatermouth and insect vector were 78.5%,71.2%,54.5%,70.2%,respectively;There were 45.5% people who thought all people could be infected easily by avian influenza virus;79.1% people thought fever was clinical situation of avian influenza,and that was 52.9% for nose running,cough,pharyngalgia.

采用分层整群随机抽样方法抽取顺义区禽流感高危险职业从业人员191名，进行禽流感有关知识、信念和行为的问卷调查。

Coli might be distributed in all the gene. The intact Hu-P68 cDNA ORF including 10bp upstreams of ATG were obtained by PCR deletion and reconstruction. The resulted fragment were cloned into transfer vector pBacPAK〓 at Bam HI site and lipofectioned into 〓 cells with Bsu 36I digested genomic DNA of insect baculovirus BacPAK 〓.

利用PCR技术删除人P68 cDNA翻译起始位点上游10bp以外的5'UTR，并引入BamHI位点，经酶切和测序验证后，将此改造的完整P68 cDNA基因编码区装入转移载体pBacPAK〓，用脂转染法将此重组质粒与酶切的昆虫杆状病毒BacPAK〓基因组DNA片段导入昆虫细胞〓中，经同源重组获得了再生病毒。

The piggyBac transposon has been used most widely as an effective gene-transfer vector,because of its mobility in the genomes of a wide range of insect species.

由于该转座子在多种昆虫的基因组上都具有高转座活性，因此piggyBac已经成为一种高效的转基因载体广泛用于昆虫的转基因研究和实践。

In the case of Lyme disease, human contact occurs through the bite of an insect vector, the tick carrying the bacteria, that usually resides harmlessly in white-footed mice or deer.

在莱姆病病例中，人类通过携带致病菌的动物传播媒介蜱的叮咬而发生接触，这些蜱通常无害地寄生于白足小鼠或鹿的身上。

Abortus, amplify BP26 gene by PCR and clone to pMD18-T simple vector. Identify the constructed recombinant plasmid pMDBP26 by sequencing, then subclone to vector pET-28a. Transform the constructed recombinant plasmid pETBP26 to E. coli BL21(DE3) for expression under induction of IPTG. Purify the expressed product by histidine-binding resin column chromatography and identify by Western blot.

提取布鲁氏菌基因组DNA，用PCR扩增出BP26基因，并克隆到pMD18-T载体上，测序正确后，再亚克隆至pET-28a载体上，转化到大肠杆菌BL21(DE3)中，用IPTG诱导表达，经组氨酸结合树脂柱纯化，并对纯化后的表达产物进行Western blot鉴定。

In this thesis, the theory, algorithm and applications combined with the project "research on the feature extraction and analysis of XX acoustic vector" are discussed, according to the present development, main problems and practical needs in application of feature extraction of pressure and acoustic vector signals.

本文根据声压和声矢量信号特征提取的研究现状、存在的主要问题以及工程实际应用的基本要求，结合基金项目"XX声矢量特征提取与分析研究"的内容，对目标特征提取及其分类识别进行了理论、算法与应用方面的探讨。

The new method is presented to contrast economics based on the Haken pattern recognition. The synergetic network is builted and the prototype vector and adjoint vector of investment data are obtained.

经过与实际结果对比，可以看出该模型较好地反映了投资要素之间的非线性关系，具有较高的精度及理想的预测效果，可广泛应用于各种预测研究，有较好的推广应用价值。

Some nonexistence results for p-degenerate sub-elliptic first order evolution inequalities associated with the generalized Baouendi-Grushin vector fields are given. The method is an improvement of the admissible function method in Euclidean space. The proof hardly depends on the properties of the generalized Baouendi-Grushin vector fields.

通过改进欧氏的容许函数法，应用广义Baouendi-Grushin向量场的一些性质，选取特殊的容许函数，利用Hlder不等式和Young不等式，证明了由广义Baouendi-Grushin向量场构成的p-退化次椭圆一阶发展不等方程，在适当条件下非平凡弱解的不存在性。

According to the statistic analysis of Prof. Amari on static recognition with neural networks, and introducing the concept of vector position stochastic variable of vector stochastic sequence, the stochastic variable is processed by DRNN. The relationship between input and output variance is analyzed. The stochastic analysis of dynamic identification is given, so as to explain the DRNN characteristics in recognition process.

第二，根据Amari教授对神经网络静态识别时的统计分析，引入矢量随机序列的矢量位置随机变量的概念，以该随机变量经过DRNN处理后，分析其输入与输出方差之间的关系，试给出了DRNN做动态识别时的统计分析，以从理论上说明DRNN在识别过程中的特性。

On the basis of the probe and research into space analytic geometry and seeing from the students ' thinking characteristics , this paper has got a proof about three vector double vector product theorem .

本文通过对空间解析几何的研究和探讨，从学生的思维特点出发，给出一个有利于学生认知结构形成的三矢量的双重矢性积定理的证明

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。