pure line theory

What are reported in this paper are as follow, the process, methods of purificating the rice sterility lines; in pure lines Ⅱ—32—5A and Ⅱ—32—8A, their purity, the rate of steritity plants, the degree of steritity, the characteristic of reproduction, etc.

介绍了水稻不育系Ⅱ—32A的提纯经过、方法以及纯系Ⅱ—32—5A、Ⅱ—32—8A的品系纯度不育株率、不育度和生育特性等性状表现。

Purity,genetic stability and combining ability of pure lines were discussed.

讨论了纯系的纯合性、遗传稳定性以及配合力等方面的特征。

At present,the breeding should be established in the selecting breeding and obtain pure line to keep the stable inheritance of economic traits.

随着栽培经验的积累和科学技术的发展,紫菜的遗传育种已从最初的选择性育种发展到利用基因工程技术进行遗传性状的改造,并建立纯系使经济性状能够稳定遗传。

, four pure lines of ramie were obtained from 28 selfs (GS 2) which originated from the parthenogenetic seeds (GS 1) of 13 ramie cultivars such as Xiangzhu 1,2,3,4 and 5, Zhengning Ramie and Germplasm 11 etc.

以湘苎１～５号和镇宁苎麻等１３个品种为材料，以不同种类、浓度和配方的药剂诱导产生５５份孤雌生殖结实种子（ＧＳ１），将部分ＧＳ１植株隔离自交种子育苗，实得２８个自交系，根据叶形、叶缘锯齿、叶柄色和雌花色等１０个形态性状的一致性，从中选择４个纯系，还从ＧＳ１和ＧＳ２群体中获得若干雄性不育材料，为苎麻遗传育种研究提供了物质基础。

To establish and maintain pure lineages of(a cell) under laboratory conditions.

纯系生殖在实验室条件下建造或保持纯正的（细胞）世系

Our quotation is strictly net, and the price have is reduce to the limit.

我方报价纯系净价，价格已降至极限。

L have a complete answer to this accusation.

我能证明这种指控纯系无中生有。

His reputation for savagery and belligerence is nothing but a myth.

它的野蛮好斗的名声纯系神话。

Kant s Meditation on the Relations of Pure Intuition to Pure category;

康德关于纯直观和纯粹范畴之关系的思考

official record of the pedigree of purebred animals especially horses.

纯种动物特别是马的谱系的官方记录。

My relations with Mrs Aisgill are as pure as the driven snow.

我与艾斯吉尔夫人的关系纯洁无瑕。

The radix complement in the pure binary numeration system.

纯二进制记数系统中的基数补码。

The district allocate pipeline pure water, can look at system of talkbacking.

小区配备管道纯净水，可视对讲系统。

The stoichiometric coefficients are pure numbers with no units.

化学计量系数是没有单位的纯数字。

the branch of pure mathematics that deals with the nature and relations of sets.

讨论集合的本性和关系的纯数学分支。

The champions really showed their pedigree today.

今天的冠军确实展现了其纯种系谱。

Design, Construction and Validation of Purified Water System of Pharmaceutical Industry;

制药厂纯水系统的设计、建造与验证

Gene Mapping of a Hereditary Hypotrichosis Simplex Family;

一遗传性单纯少毛症家系的基因定位

The Positive Realness of a Rational Matrix with Purely Imaginary Zeros;

判断含纯虚零根实系统的正实性问题

An Entanglement Measure and Complete Classification of Tristate Bipartite Pure State Systems;

三态两体纯态系统的纠缠分类及度量

Pure Low-temperature Waste Heat Power Generation System Design and Optimization;

纯低温余热发电方案设计及系统优化

A PID Predictive Control Method For Time-Delay Systems With Long Pure Time Delay;

大纯滞后系统的一种PID预估控制方法