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In order to elucidate the relationship between the structural features of leginsulin gene in legume plants and their phylogenetic significance,we have cloned the cDNA sequence of leginsulin gene from radicles of broad bean via RT-PCR techniques according to the leginsulin gene sequence we previously obtained from soybean.The cloned cDNA encoded for a precursor protein consisting of the signal peptide,mature leginsulin and an additional 45 amino acids of another polypeptide.

为探明豆科植物中豆类胰岛素基因的结构特征与进化关系，在已获得大豆豆类胰岛素基因的基础上，以蚕豆种子胚根mRNA为材料，采用RT-PCR技术，克隆了蚕豆豆类胰岛素基因的cDNA序列，编码的前体多肽包括信号肽、成熟型豆类胰岛素及另一多肽的45个氨基酸残基。

The invention discloses a multi-cell pilot frequency distribution method applied in an orthogonal frequency-division multiplexing system, which comprises the following steps: generating at least two different original frequency hopping sequences according to a predetermined pilot frequency domain; generating a combined frequency hopping sequence (having length greater than that of the original frequency hopping sequences) from at least two different original frequency hopping sequences; generating different pilot frequency structures satisfying collision threshold requirements based on the combined frequency hopping sequence; and distributing the generated pilot frequency structures to each cell.

本发明公开了一种多小区导频分配的方法，用于正交频分复用系统，按照预定的导频频域间隔生成至少两种不同的原始跳频序列；将至少两种不同的所述原始跳频序列生成组合跳频序列，所述组合跳频序列的长度大于所述原始跳频序列的长度；基于所述组合跳频序列生成满足碰撞门限要求的不同导频结构；将所述生成的导频结构分配给各小区。

Then, two methods of timing synchronization based on the cyclic prefix and pilot sequence were introduced, and a novel timing synchronization method based on pilot sequence was presented, which provided a correlation peak with pulse shape.

由于OFDM系统中的定时同步要求和无线定位中的测时测距在本质上是一致的，所以本文紧接着分析了基于循环前缀和导频序列的两种定时同步方法，并提出了一种新的基于导频序列的具有脉冲形状相关峰的定时同步方法。

In this study, to define the functional roles and mode of the upstream regulatory elements ofα-globin gene cluster,αMⅡwas obtained, in which the 31.7kb sequence including HS-33, HS-10、HS-8 and HS-4 was deleted by defective prophage mediated by the homologous recombination;αMⅢwas also constructed, in which the 35.4kb sequence including HS-40、HS-33、HS-10、HS-8 and HS-4 was deleted by the method of temperature sensitive shuttle vector mediated homologous recombination.

在此基础上，为了定义α-珠蛋白基因簇上游各调控元件的调控功能，并探讨其作用机制，本研究利用缺陷型原噬菌体介导的同源重组法修饰α-BAC，删除包括HS-33、HS-10、HS-8和HS-4在内长达31.7kb的序列得到BAC突变体αMⅡ；又利用温度敏感型的穿梭载体介导的同源重组法删除包括HS-40、HS-33、HS-10、HS-8和HS-4在内达35.4kb的序列，得到BAC突变体αMⅢ。

There is no relation between the repeat sequence of the small plasmid and sequence of 16s RNA in different strains.

具有不同的重复序列的小质粒的各菌株间的16SRNA序列上的差异没有对应关系。

The data in the base touch upon the gene, RNA and protein sequence of the receptors as well as the data of multiple sequence alignments, similarities, atomic ordinates.

它包含的数据涉及受体的基因、RNA和蛋白质序列以及多序列联配、相似关系、原子坐标的数据。

Similar lamellar hybrids can be obtained from octa(y-chloroammoniumpropyl) polyhedral oligomeric silsesquioxanes dodecyl benzene sulfonic acid sodium salt C_(18H_(29)NaO_3S, DBSS. Further research shows that different POSS to surfactant ratios result in different arrangement of layers: when there exists excessive POSS, the layer is arranged in a "Alkyl-POSS-POSS-Alkyl" sequence; while on the contrary, the layer is in "Alkyl-POSS" sequence.

实验研究表明，通过调整POSS和表面活性剂的物质的量比例可以改变片层结构，发现当POSS成分大大过量的时候，片层重复单元按照&烷基-POSS-POSS-烷基&顺序排列，对应较大的层间距；当表面活性剂成分大大过量的时候，片层重复单元按照&烷基-POSS&顺序排列，对应较小的层间距。

The progress of complex structure function chart is introduced too. We study the method which we can transform a complex structure to the simple sequence structures in this paper. In addition, several examples on how to design sequence chart are also described i...

分析了复杂结构功能表图的进展情况，提出了将复杂结构转变为单序列结构的方法，并通过举例说明复杂结构功能表图的顺序图设计。

Mitochondrial cytochrome b sequence were used to study the molecular evolution and phylogeny of Anser cygnoides(15 breed of Chinese goose), Anser anser(2 breed of domestic European goose) and Anser albifrons(the lesser white-fronted goose, Genbank accession number AF363031). Sequence analysis revealed that there were 29 variable sites and 4 haplotypes in 45 sequences, nucleotide diversity and haplotype diversity were 0.0068,0.45 respectively, insertion/deletion or frameshift mutation were not found in Cyt-b gene sequences(1143bp).

本实验测定了中国家鹅15个品种、欧洲鹅2个品种共44个个体的细胞色素b基因全序列，与Genbank库中自额雁细胞色素b基因序列合并在一起比对分析，17个家鹅品种和白额雁细胞色素b基因全序列均为1143bp，序列中没有缺失、插入或移码突变，共检测到29个变异位点、4种单倍型，核苷酸多样度和单倍型多样度分别为0.00648和0.45。

In our former study, we cataloged genes expressed in human brain (about 10,000 gnes), and sequenced the orthologous sequence of these genes in chimpazee. In this study, we selected 16 of these positive-selection genes and then using PCR and Sequencing technique we acquired orthologous sequence in another two representative primates: white-brown ape and macaca, and then took further evolutionary analysis.

本文从目前已知在人的大脑中表达的基因中，选出16 个在人和黑猩猩的比较中明显受到正向选择的基因，利用PCR扩增技术和基因序列测定技术，获得了另外两个灵长类代表动物小猿、猕猴的直系同源序列，并进行了进化分析。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。