查询词典 silkies

The feed conversion rate of meat-type silkies and large-type silkies between 0-90 days wese separately 2.96 and 3.02. silkies strain ; meat-type performance ; comparative experriment

为了研究肉用型乌鸡的肉用性能，课题组选用肉用型乌鸡和快大型乌鸡进行了对比试验。1材料和方法1·1材料肉用型乌鸡选自河北

The volatile compounds of silkies on feeding medlar and feeding stuff were extracted and identified with solidphase micro extraction and gas chromatography-mass spectrum 79 from silkies on feeding medlar and 61 from silkies on feeding stuff.

采用固相微萃取法，结合气相色谱－质谱技术对甘肃景泰条山农场的枸杞园散养和饲料笼养乌骨鸡肉的挥发性物质进行检测分析。

Universal Silkies chicken farms existing population 25,000, and its varieties have Silky Fowl, guinea fowl, You Chicken farmers, on the 1st Universal Hybrid broilers, green shell eggs Silkies.

环宇乌骨鸡养殖场现有存栏鸡25000只，其品种有丝毛乌骨鸡、珍珠鸡、贵农黄鸡、环宇1号杂交肉鸡、绿壳蛋乌骨鸡。

The livability rate of meat-type silkies and huge large-type silkies between 0-90 days was separately 95.63 percent and 85.36 percent.

快大型乌鸡是人们目前普遍饲养的一种生产性能较高的品种，外貌特征基本和丝羽乌鸡相似，具备乌鸡&十全&特征。

This study made the chromosome slides of Taihe Silkies by the peripheral blood lymphocyte culture-drying method,and analyzed Taihe Silkies karyotype and band pattern.

采用外周血淋巴细胞培养--空气干燥法，对泰和乌骨鸡染色体核型和带型进行了研究。

Silkies were the mutation type of nomal feather Wugu chicken for it had more haplotypes and shared the major haplotypes with silkies.4. The sub-species of G. g. spadcieus and G. g. jabouillee in China were at the same clade with the G. g. gallus in and around the Thailand area, but were in difference clade with G.

在中国的两个红原鸡亚种的线粒体D环高变区序列与在泰国等地分布的红原鸡亚种的此段序列差异不大，可归为一类，而与爪哇岛上分布的红原鸡亚种的此段序列差异较大。

Twelve microsatellite markers selected from the GENE-BANK were analyzed for polymorphism in silkies. Allele frequencies were estimated based on band presence or absence. Average heterozygosity and polymorphism information content were calculated by allele frequencies, and then, linkage analysis between character and markers by least squares means and the correlation among the 6 characters of egg traits in silkies were studied.

本试验选用12对微卫星引物，通过对丝羽乌骨鸡多态性扩增，计算出这些微卫星标记座位的等位基因频率、多态信息含量、群体杂合度；通过标记多态性与产蛋性状的最小二乘分析和多重比较，进行了分子标记与产蛋性状的相关分析，同时计算了产蛋性状间的表型相关。

The results are as follow:The diploid chromosome number of Taihe Silkies was 2n=78,the basic number of chromosome arms was AF=90 and the sex chromosome type was ZZ/ZW.According to the measured relative length,arm ratio and centromeric index,the first 10 pairs of macro-chromosomes are described as follows:No.1 ,9 and Z,W chromosomes were metacentrics,No.2,4,7 were submetacentrics,and No.3,6,8,10 were telocentrics.Studies on Taihe Silkies′ G-band showed that the first 10 pairs of macro-chromosomes can be divided into 29 zones and 190 bands.

结果表明：泰和乌骨鸡体细胞染色体数目2n=78，染色体基本臂数AF=90，1、9号染色体及Z、W性染色体为中央着丝粒染色体，2、4、7号染色体为亚中央着丝粒染色体，3、6、8、10号染色体为端着丝粒染色体。G带研究表明：前10对大型染色体可分为29个区，190条带。C带处理发现，所有母鸡分裂相中W性染色体都出现C带并整条深染。

The relative contents of hexanal, heptaldehyde, 2-butanone, hexanoic acid, decrease in silkies on feeding stuff, The relative contents of acetaldehyde, 2-octanone decrease in silkies on feeding medlar, in primary volatile compounds.

经分析比较：枸杞园散养乌骨鸡肉中，醛类物质的相对含量最大，占48.82%，是饲料笼养的1.27倍。在主要挥发性物质中，己醛、庚醛、2-丁酮、己酸的相对含量饲料笼养乌骨鸡较枸杞园散养乌骨鸡减少，乙醛和2-辛酮的相对含量增加。

The result implied that genotype BG of MCW0294 and genotype JL of MCW0258 may be regarded as candidate locus for early assistant selection markers in egg shape index and haugh unit traits of silkies.At the same time, we found some alleles associated with egg quality traits:(1) Means of shell strength for genotype AG and BG of MCW0258 were significantly higher than those of HO and JO.

在多重比较过程中，发现了几个与蛋品质性状显著相关的等位基因：①标记MCWO258中，AG基因型的蛋壳强度均值最高，HO基因型的蛋壳强度均值最低，二者差异显著；BG基因型的蛋壳强度均值较高，JO基因型的蛋壳强度均值较低，二者差异显著。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。