查询词典 DS

Methods Blood samples were obtained from 5 patients with AIDS, the C2~C3 region of HIV-1 envelope gene was amplified by nested polymerse chain reaction from plasma of each patient, and then subject to sequencing, clonal-quasispecies analysis, and the accumulation of synonymous and nonsynonymous substitutions as well as ds/dn ratios were calculated.

采用套式聚合酶链反应方法对5例艾滋病患者血浆HIV-1 env基因C2~V3区进行PCR扩增，产物经纯化后克隆至pMD-18T载体中，每例患者分别挑取5~8个克隆，共34株，完成阳性克隆的鉴定、抽提纯化和测序，将获得的DNA序列及核苷酸序列进行分析，并计算其核苷酸同源替换率与非同源替换率的比值。

Blood samples were obtained from 5 patients with AIDS, the C2~C3 region of HIV-1 envelope gene was amplified by nested polymerse chain reaction from plasma of each patient, and then subject to sequencing, clonal-quasispecies analysis, and the accumulation of synonymous and nonsynonymous substitutions as well as ds/dn ratios were calculated.

采用巢式PCR方法对5例艾滋病患者血浆HIV-1env基因C2~V3区进行PCR扩增，产物经纯化后克隆至pMD-18T载体中，每例患者分别挑取5~8个克隆，共34株，完成阳性克隆的鉴定、抽提纯化和测序，将获得的DNA序列及氨基酸序列进行分析，并计算其氨基酸同源替换率与非同源替换率的比值。

Since there is no interference by DS anions in the AL-M system, most of the ethoxy groups of APS seem to form oxane bonds with hydroxyl groups.

由于没有干涉德尚阴离子在Al - M系统，大多数乙氧基组黄芪多糖似乎形式oxane债券羟基。

Metho ds: Forty patients without pancreatic and peripancreatic diseases were randomly divided into two groups.

40例无胰腺及胰周疾病的患者随机分2组：①A组准直器1.00mm，1.25mm重建；②B组准直器2.50mm，3.00mm重建。

PH potentiometric titration results show that products with high DS have excellent water solubility in wide pH range.

采用元素分析法确定了产物的取代度，并用FTIR、H〓NMR和X-ray等手段对产物进行了表征。pH滴定表明，较高取代度的样品在宽广的范围内具有良好的水溶性。

Attachment is the latest schedule of DS moving for you refence.

附件中是我的得到的最新的DS搬家schedule。

The first step is reviewing conventional methods of digital beam forming, including WINER method, Steepest-Descent method, LMS, RLS etc. Then , recent digital beam forming methods in the DS-CDMA mobile telecommunications systems are studied, including the algorithm based on least-squares despread respread Multi-Target array, least-squares Despread Respread Multi-Target Constant Modulus Array , Pilot bit LMS-DRMTA algorithm etc.

本文首先简介传统的DBF算法，包括维纳算法、最陡下降算法、最小均方算法、递归最小二乘算法等；然后介绍基于DS-CDMA移动通信系统的DBF算法，包括LS-DRMTA、LS-DRMTCMA导频LMS-DRMTA算法等；最后给出各种算法的仿真结果及分析。

Results: DS participants had a larger ROMPx (p.05) and a smaller ROMPy (p.05) than those in normal participants (Px: 0.06±0.02m, Py: 0.12±0.03m).

结果：唐氏症个案COP左右偏移范围较正常个案大（p.05），而COP前后偏移范围却较小（p.05）。

Finally, we present a design of DS packet radio in which only one SAW matched filter is required instead of two. The performance of such system is analysed sketchily.

最后一章提出了一种采用单片声表面波匹配滤波器来实现现直扩分组电台的方案，并对其性能进行了简要的分析。

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Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。