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Mature embryos of wheat from cultivar EM12 in Hubei province and mode variety Bobwhite were used as target materials.

以湖北省小麦品种'鄂麦12'和模式品种'Bobwhite'为材料，成熟胚为转化受体，优化基因枪转化法的轰击压力、轰击距离、选择剂等因素，建立以小麦成熟胚为转化受体的高效转化系统。

Using the tissue cultured bulblet of narcissus cultivar Fortissimo as tested materials, with 1/2MS as the basic medium, 4 conch, of NAA and IBA including 1.0, 0.5, 0.1 and 0.05 mg/L were set up to study the effects of hormone on rooting induction of tissue culture seedlings in narcissus.

方法］以水仙栽培品种Fortissimo的组织培养小鳞茎为试验材料，以1/2MS为基本培养基，设计1.0、0.5、0.1，0.05mg/L 4个NAA、IBA浓度，研究激素对水仙组培苗生根诱导的影响。

Whatever the true genealogy of the cultivar, Marechal Foch is often considered to possess Burgundian characteristics, having a vibrant, deep purple color, with a light-medium structure and dark berry fruit characteristics.

无论真正的族谱的品种，马雷夏尔福煦常常被认为是拥有勃艮第的特点，有一个充满活力，深紫色的颜色，用轻介质结构和暗浆果果实性状。

The Ф_,Fv/Fm and qP were increased but qN was decreased with increasing of chlorophyll a,the rate of heat dissipation was increased with the increasing of chlorophyll b,and the carotinoid increasing enhanced the rate of heat dissipation of dryland and carbon assimilation of irrigated cultivar.

提高叶绿素a含量能显著提高叶片ФPSⅡ、Fv/Fm、qP和降低qN；叶绿素b含量的升高能显著增强热耗散，增加类胡萝卜素含量则促进水地品种叶片光能的光合碳同化作用和旱地品种的热耗散。

The catechin content in cotton seedling of resistant cultivar was higher than that in susceptible seedlings.

提取液对PG和PL活性的抑制作用与棉苗组织中儿茶素的含量呈直接的正相关关系。

In the nitrogen concentration of 8 mmol-L1, cultivar 791 and Hanzhong Chinese chive were studieded in the effects of different nitrogen forms and proportion on growth, nitrate content and the quality of nutrition.

以"791"和"汉中冬韭"为试材，研究了8 mmol·L~(-1)氮素水平下不同氮素形态及配比对791和汉中冬韭的生长状况、硝酸盐含量和营养品质的影响。

The theory gist and indication of the choiceness cultivar were put forward according to the demand for medicinal material application and resources renewal.

并结合中医用药的要求，提出了可供资源再生的优良种质筛选的理论依据和指标。

Gladiolus cultivar "Traderhorn" and "Advanced Red" were used to investigate the growth and development of stolon and cormel, changes of starch and soluble protein content during stolon development in the field with different planting times. Meanwhile, studied the factors which affected cormel formation in vitro.

研究了唐菖蒲栽培品种'Traderhorn'与'Advanced Red'露地栽培条件下匍匐茎与子球的生长发育特性，不同发育时期淀粉与可溶性蛋白质含量的变化，以及离体条件下子球形成的影响因素。

Among the rice grown in Taiwan that is considered of excellent quality is Taikeng 9, which represents a crossbreed of a Koshihikari cultivar with a native Taiwanese variety.

目前台湾属於良质米品种的台P九号，就是以越光米变异新品系和台湾本土品种杂交而成。

Frost Protection: It is important to choose a cultivar that is hardy in your area.

霜冻保护：它是重要的选择品种，耐寒，是你的领域。

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。