根茎的

Objective To study the chemical constituents of the 95% EtOH extract of the rhizoma of Polygonum bistorta L.

目的分离蓼科蓼属植物拳参根茎 95 %乙醇提取物的化学成分并进行鉴定。

Liquid culture experiment,TDZ were produced more shoots than BA、kinetin ,but shoot were difficult growth into plantlet,and produced shoot redifferentiation form rhizome.

液体培养试验中，以TDZ所形成的芽数较BA、kinetin多，但是其芽体不易生长为幼苗，而逆分化为根茎。

The rhizome of this plant, cooked and eaten as a vegetable or used for starch extraction.

竹芋根这种植物的根茎，可作为蔬菜烹调食用或用来提取淀粉

The shading influences are different on the soluble sugar content in the rootstalk, fibrous root, and the leaf.

荫蔽度对黄连根茎，须根，及叶中可溶糖含量的影响不一样。

The stack of the blighted rootstock will soon felt together.

这堆枯死的根茎不久就会粘结在一起。

Nitrates and saltpeter, which are needed by root crops and young sprouting plants are made available by organisms that further oxidise the nitrogen substances.

根茎作物需要硝酸盐和硝石，有机物生成幼小的发芽植物，促进氧化物氧化。

Bor is a rhizomatous grass with characteristic sand fixation.

Bor是禾本科的一种沙生旱生植物，靠根茎进行无性生殖。

Cannas natural antistaling agent is innoxious, scentless, edible and safe because it wont be left on the fruits after preservation.

以美人蕉根茎为主要原料制成的保鲜剂，为白色粉末，天然、无毒、无异味、可食用，保鲜后不会在水果上留下有害残留物，安全可靠。

Fast-growing trees could sequester CO2 in their roots, and the rest could be used as fuel.

快速生长的树木能利用根茎吸收二氧化碳，而剩余部分则可被用作燃料。

Lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots.

低等脉管植物，有二岐的孢子体，分裂为气芽和根茎。

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。