查询词典 poly

A malignant transformant line 3T3 (T24) was obtained by transfection of mouse fibroblast NIH3T3 cells with pMAMneo-T24-ras plasmid. 3T3 (T24) cells were cultured continuously in the presence of benzamide , an NAD site inhibitor of poly polymerase .

将12位密码子突变的活化ras癌基因全cDNA序列克隆到真核表达载体pSV2neo和pMAMneo上，获得了相应的重组质粒pSV2neo-T24-ras和pMAMneo-T24-ras，将pMAMneo-T24-ras质粒利用基因转移方法导入小鼠成纤维细胞NIH3T3中，活化的ras癌基因可使受体细胞发生恶性转化。

Seventy two percent of the cells stained with benzidine. Poly〓 RNA was isolated from both the cells directly from separation and the cells cultured with EPO for 36 hours.

将未培养的FVA细胞（0时）和经36小时培养的FVA细胞（36时）分别进行RNA提取，并纯化其mRNA，逆转录成cDNA（cDNA-0和cDNA-36）。

In our study, polyimide hybrid films containing bimetalic compounds were prepared by codoping poly with a bariumand titanium precursor prepared from Ba(CH_3COO)_2, Ti_4, and acetic acid followed by casting and thermal curing.

陶瓷粉BTL是由Ba(CH_3COO)_2，Ti_4和乙酸制成的钡钛前驱物，采用溶胶凝胶法合成，并由红外光谱和X-射线衍射图证明，在650℃BTL完全转化为BaTiO_3晶体。 3。通过两步法合成含陶瓷粉的聚酰亚胺复合材料。

The introduces binaphthyl bisphenol monomer on side-chain benzene ring of sulfonic group on molecular level, prepares sulfonated poly aryl ether with sulfonic group only on naphthalene ring of side chain, so that ensures chemical stability of main chain with high molecular weight, while having no influence on mechanical property thereof.

本发明从分子水平出发，将磺酸基在侧链苯环上的联萘双酚单体引入，制备仅在侧链苯环上有磺酸基的磺化聚芳醚，从而保证了高分子主链的化学稳定性，且不会影响其优异的物理机械性能。

Poly-Lactic Acid is a bioplastic made from biorenewable raw materials like carbo-hydrates.

聚乳酸是一种生物塑料制成像卡尔沃biorenewable原料水合物。

A series of sulfonated poly copolymers with different degree of sulfonation were synthesized by aromatic nucleophilic polycondensation of 3,3′-disulfonate 4,4′-dichlorodiphenylsulfone,4,4′-dichlorodiphenylsulfone and 4,4′-biphenol.

将磺化二氯二苯砜、二氯二苯砜与4，4′-联苯酚通过亲核缩聚反应得到一系列具有不同磺化度的磺化聚芳醚砜共聚物。

Four kinds of aromatic ether-linked dinitriles with low melting temperatures were obtained via the nucleophilic substitution of hydroquinone, resorcinol, biphenol and bisphenol A with CBN. They were polymerized to afford a series of poly(pheny-s-triazine)s under the optimized conditions.

以对苯二酚、间苯二酚和联苯二酚为原料，分别与对氯苯腈进行亲核取代反应，合成了三种较低熔点的含醚键二腈，并分别研究了其在优化条件下的聚合反应。

Sulfonated poly are prepared by direct polymerization of biphenol A, disodium 4, 4"-difluoro-3, 3"-disulfonate-1, 1-diphenylketone and 2, 6-difluorobezonitrile. The polymers are characterized with ~1H-NMR, FT-IR.

以双酚A，2，6-二氟苯腈和4，4′-二氟-3，3′-二磺酸钠-1，1′-二苯酮采用直接缩合法合成了不同磺化度的磺酸型聚芳醚腈酮，通过FT-IR和~1H-NMR对聚合物进行了表征，证明其结构正确。

Sulfonated poly are prepared by direct polymerization of biphenol A, disodium 4, 4"-difluoro-3, 3"-disulfonate-1, 1-diphenylsulfone and 1, 3-(4-difluorophenyl)benzene. The polymers are characterized with ~1H-NMR, FT-IR.

以双酚A，1，3-二(4-氟苯基)苯和4，4′-二氟-3，3′-二磺酸钠-1，1′-二苯砜采用直接缩合法合成了不同磺化度的磺酸型聚芳醚酮砜，通过FT-IR和~1H-NMR对聚合物进行了表征，证明其结构正确。

Poly with sulfonic acid groups were readily synthesized with biphenol and 1,3-bis(4-fluorobenzoyl)benzene in the presence of excess potassium carbonate followed by sulfonation with chlorosulfonic acid.

以二氯二苯甲烷和2，6-二甲基苯酚为原料合成了含有阻碍基团的双酚单体，用此双酚单体和1，3-二(4-氟苯甲酰基苯)在无水碳酸钾存在的条件下反应制得聚芳醚酮，然后用氯磺酸磺化，控制反应条件，使磺酸基团恰好进入苯环对位，制得新型结构的磺化聚芳醚酮。

I'm gonna go pack my regular, long bathing suit.

我要去打包我那不起眼的超长泳裤

Random number generators are used in many areas, with the improvement of the computational ability of the computer.

随着计算机计算能力的不断提高，随机数发生器在许多领域有了更加广泛的应用。