查询词典 spacer

In order to clarify the taxonomic status of Dirofilaria sp. of Ailurus fulgens,the second internal transcribed spacer (ITS-2) of rDNA of Dirofilaria immitis from dogs in Ya'an in Sichuan Pro-vince and of Dirofilaria sp.from Ailurus fulgens in Chengdu and Chongqing were sequenced and compared.

为探讨采自小熊猫的恶丝虫虫种的分类地位，测定了四川雅安地区犬源犬恶丝虫和成都及重庆两地小熊猫源恶丝虫的核糖体第二内转录间隔区（ITS-2）基因序列并进行了比对分析。

Both T mand T i of all the ligands change regulary with the increase of the end alkoxy group length and when the flexible spacer unit in the ligand gets longer.

它们的熔点和液晶态的清亮点随分子中末端烷氧基增大和柔性间隔段长度增加呈规律性变化。

This paper reviewed the application of nuclear ribosomal DNA internal transcribed spacer region sequences in phylogenetic study of angiosperms at intra\|inter genera or family levels in recent years at home and abroad. Combined with the research of Chinese \%Alpinia \%Roxb.

本文就近年来国内外有关被子植物核糖体DNA中的内转录间隔区序列在植物属内、近缘属间乃至科内系统发育研究中的应用，结合作者在中国姜科山姜属 AlpiniaRoxb 。

Then, by depositing conformal SiO2 on the polysilicon pattern, etching back SiO2 anisotropically in the perpendicular direction and removing the polysilicon with KOH, a sacrificial SiO2 spacer was obtained.

然后在多晶硅台阶上淀积保形性很好的SiO2层，再采用高度各向异性的干法刻蚀进行垂直刻蚀SiO2。在使用KOH去除多晶硅后，可以获得SiO2纳米线。

The internal transcribed spacer region in rRNA gene of Auricularia polytricha was cloned and sequenced, and the sequences were compared with those of some common species of Auricularia.

对毛木耳7个菌株rRNA基因内转录间区进行了克隆测序，并将其与木耳属其它几种的相应序列进行了比较。

Anastomosis group identification and 5.8S rDNA-internal transcribed spacer sequence analysis showed that the isolates belonged to multinucleate Rhizoctonia AG1-IA, AG1-IB, AG4-HG-I, AG-5 and WAG-Z and binucleate Rhizoctonia AG-A and AG-Ba.

融合群测定及5.8S rDNA-ITS区序列分析结果表明，这些菌株分别属于多核丝核菌的AG1-IA、AG1-IB、AG4-HG-I、AG-5、WAG-Z融合群及双核丝核菌的AG-A、AG-Ba融合群。

By separation and combination analyses of nuclear rDNA ITS and the cpDNA (matK gene, rpl16 intron and atpB-rbcL spacer) sequences, the interspecific relationships were discussed, and the classification review and biogeographic analysis were done for all species bearing raceme or spike of one to many umbels with prophylla at base.

运用nrDNA ITS及cpDNA(matK、rpl16、atpB-rbcL)序列的单独和联合分析探讨了这些类群的种间关系，并对世界菝葜属中具有一至多个伞形花序排列成圆锥花序或穗状花序、花序梗上有关节的所有种进行了分类学研究及生物地理学研究。

Rates of nucleotide substitution vary greatly among plant mitochondrial, chloroplast, and nuclear DNAs. Proc Natl Acad Sci USA ［J］.1987, 84 (5):9054.［3］ Ainouche M L, Bayer R. On the origins of the tetraploid Bromus species: insights from internal transcribed spacer sequences of nuclear ribosomal DNA［J］.

而山西平遥产山药D= 0.004 76与山西太谷产山药D= 0.004 27基本没有差异，它们和河北安国产山药D= 0.004 36共同与怀山药有较大的同源性，通过ITS序列分析，这几种不同产地的山药之间碱基仅相差几个，提示它们具有同源性；野生山药与种植山药碱基数目相差较大，说明种植山药在驯化过程中产生了变移，使物种更进化。

A spacer (18) for maintaining a pressure tube (12) in spaced relation with a calandria tube of a nuclear reactor.

一种用于维持核反应堆的压力管（12）与排管容器管的间隔关系的间隔件。

Blacklisted and creditless, Vandangante drifted aimlessly into the underworld of spacer culture.

万丹甘特被列入了各地的黑名单。身无分文的他漫无目的地混进下层社会，融入走私者的文化。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。