离体

The nucleus vegetative in nature derived from unequal or equal division of the uninucleate pollen in rye anthers cultured in vitro develops into pollen embryoids or calli.The green haploid plantlets are differentiated successfully.

离体培养黑麦花药，单核花粉可以通过不等分裂和均等分裂由营养性质的核发育成花粉胚状体或愈伤组织，并且最后形成了单倍体植株。

We will spend this class period beginning first with an introduction to the principles of TEM, an overview of the King laboratory's microscope (a JEOL 1200EXII), and conclude by having you operate the microscope and view isolated phycobilisomes negatively stained with uranyl acetate.

我们将从介绍透射电镜的原理开始这节课的学习，然后概述 King 实验室的显微镜(a JEOL 1200EXII)，最后通过让大家操作显微镜和观看用醋酸铀负染的离体藻胆体来总结本课。

Using stem tips of two verbena cultivars as explants, the tissue culture and rapid propagation system of modern verbena cultivars was established on the base of screening suitable disinfection method, and proper culture mediums for regeneration.

以2个美女樱品种的茎尖为外植体，筛选适宜的消毒方法和初代培养、继代培养及生根培养的最佳培养基，建立了现代美女樱优良品种的离体快繁体系。

The excised leaf of Phalaenopsis RSW1 was used as explants, the effects of basic media, kinds and concentrations of 6-benzyl aminopurine (6-BA) and thidiazuron, dark culture phase, and leaf age on adventitious shoot regeneration from leaves of Phalaenopsis RSW1 were investigated.

以蝴蝶兰品系RSW1离体叶片为外植体，探讨了基本培养基、6-苄基腺嘌吟(6-BA)和噻重氮苯基脲、暗培养时间及叶片生育期对叶片不定芽发生的影响。

Objective To investigate the effect of transdermal penetration of arbutin flexible liposome and several promoting reagents.

目的 利用离体皮肤渗透技术研究了熊果苷柔性脂质体的经皮渗透和几种渗透促进剂对其影响。

In the study, embryo bud of Impatiens balsamina L was cultured on hormone-free MS medium for promoting, MS medium with 6-BA 3 mg/L+NAA 0.5 mg/L for shoot and root formation, and MS medium containing 6-BA 3 mg/L+NAA 0.5 mg/L for flowering respectively. During about 60 days, plant regeneration and flowering of Impatiens baisamina L was finished in vitro.

研究以凤仙花无菌苗胚芽段作为外植体，经过不含任何激素的MS(0)培养基预培养、MS+6-BA3mg/L+NAA0.5mg/L培养基的诱导芽和根分化、MS+6-BA1mg/L+NAA0.1mg/L培养基的诱导开花，在60d左右实现了凤仙花离体培养再生植株并在试管内开花。

The stem segments of Cerasus humilis Bunge with axillary bud were used as explant in this experiment and the natural regenaration plants were obtained in vitro culture of explants.

本试验以欧李当年生嫩枝上带有腋芽的茎段为外植体进行离体组织培养，获得了正常的再生植株。

Selecting the optimum carbon sources, nitrogen sources and inorganic salt to get the optimum liquid medium recipe by the orthogonal test in three factors and four levers; Isolated toad gastrocnemius stimulated by pulse electricity was regarded as fatigue model and Clitocybe maxima mycelia was compared with Ringer solution to see what influence they had on muscle contract ability.

采用深层培养方法，筛选出较优的碳源、氮源、无机盐，设计三因素四水平的正交试验，筛选大杯伞的最适培养基；采用脉冲式电流直接刺激蟾蜍离体腓肠肌作为疲劳模型，观察大杯伞菌丝体和任氏液对蟾蜍腓肠肌收缩能力的影响。

The results indicated that contrary to treatment with 5 ℃ in dark,illumination with 100 μmol photons·m -2 ·s -1 at 5℃ of leaves or isolated cloroplasts of cucumber and spinach caused dramatical decrease in slow phase intensity of millisec...

结果显示，与 5℃黑暗处理相比，5℃下弱光(1 0 0 μmol photons·m-2· s-1 )分别照射黄瓜和菠菜的叶片和离体叶绿体悬浮液，都使叶绿体毫秒延迟发光慢相强度以及类囊体耦联度显著降低。

The change of general physiological characters, D-xylose excretion, activity of amylase in serum, stomach emptying and enterokinesia speed, contractile activity of small intestine in vitro, morphological change of gastrointestinal mucosa, gastrin content in serum, spleen index, thymus index were observed.

实验主要观察了动物的一般体征和消化吸收功能的变化，测定的指标有：D—木糖排泄率、血清淀粉酶活性、胃排空速率、肠推进速率、离体小肠张力、胃肠粘膜形态、血清胃泌素含量、脾脏指数和胸腺指数。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。