查询词典 reverse

METHODS: Subtractive cDNA DNA library of PDLF was constructed with a recently developed gene cloning technique that is based on PCR and subtractive hybridization and then screened by restriction analysis and reverse southern dolt blot.

采用基于PCR和消减杂交的基因克隆技术构建体外培养的人PDLF与GF差异表达基因的扣除文库，采用酶切和反向杂交的方法筛选目的克隆，并进行测序和计算机分析。

Series 774 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.

系列747双止回阀总成用于防止污水回流进入饮用水系统中。

The CHF for upflow are regualarlygreater than those for downflow, but it becomes to reverse in the range of low critical quality.

上升流CHF试验值大于下降流，但在小临界含汽量区，下降流试验值开始等于和大于上升流试验值。

According to the characteristic of the reverse range shift induced by the upslope and downslope of triangular FMCW modulation, the upslope and downslope are imaged, respectively.

调频连续波雷达的低发射功率使其具有低截获、隐蔽性好、抗反辐射导弹能力强的特点。

The second is still not reverse the downward trend.

二是仍然没有扭转下降的趋势。

For each layer-divide symbol appeares regularly in weave diagram, the layer-divide symbol is affirmed first,then the attribute of each yarn and weft is fixed,the weave of each layer is analyzed at last. As to leno fabric, the reverse side of the fabric should be analyzed, tell the crossing warp from normal warp before drafting the looming draft.This paper introduces the method to analyze this kind of complex fabric through above two examples.

对四层织物分析时，找出组织图上有代表性的组织点的属性，因分层符号在组织图上出现时很有规律，可以先确定各层分层符号的位置，进而确定各根经纬纱的属性，分出各层织物，最后分析各层的组织；纱罗织物分析时，应分析织物的反面，先要区分出绞经和地经，然后才能绘出组织图。

The LM2936 retains all of the features that are common to low dropout regulators including a low drop- out PNP pass device, short circuit protection, reverse battery protection, and thermal shutdown.

保留的LM2936的特点是共同的低压差稳压器包括一个低压降进步党通过设备，短路保护，反向电池保护的所有，以及过热关机。

In a "reverse" or "Dutch" auction, the price is initially set at a very high level, and drops at regular intervals.

反向拍卖"反向"或"荷兰"，拍卖的价格初步定在一个很高的水平，滴滴重播。

Methods RPE cells were exposed to shear stress of 2 dyne/cm2 for 0, 0.25, 0.5, 0.75, 1, 1.5, and 3 h. Reverse transcription polymerase chain reaction was used to detect the levels of c-fos and c-myc mRNA in RPE cells. One-way analysis of variance was used to compare the differences.

用2 dyne/cm2的剪切力作用于体外培养的人RPE细胞，作用时间分别为0、0.25 h、0.5 h、0.75 h、1 h、1.5 h和3 h，采用逆转录聚合酶链反应观察c-fos和c-myc mRNA的表达变化，并采用单因素方差分析比较各时间点之间表达的差异。

StAR can contribute to the cholesterol efflux and may be involved in the reverse cholesterol transport.

因此StAR有助于胆固醇流出，可能参与了动脉粥样硬化中胆固醇逆向转运过程。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。