Eichhornia crassipes and Hosta ventricosa is used as experimental material to study Cd stress on the two plants growth, chlorophyll content, MDA and root peroxidase activity and other physiological indicators to investigate the effect of Cd on the toxic effect of higher plants,with a view to Cd pollution Phytoremediation providing a theoretical basis.

以鳳眼蓮和紫萼玉簪為實(shí)驗(yàn)材料99tv无码国产精品，研究鎘脅迫對(duì)鳳眼蓮和紫萼玉簪的生長(zhǎng)久久偷窥一级黄片、葉綠素含量、丙二醛含量及根系過(guò)氧化物酶活性等生理指標(biāo)的影響呦呦色色网，探討鎘對(duì)高等植物的毒害效應(yīng)亚洲无线码在线一区观看，以期為重金屬鎘污染的植物修復(fù)技術(shù)提供理論依據(jù)。

The harm caused by naphthalene pollution might be due to the peroxidation damage to cell membrane system.

萘污染對(duì)水生植物的毒害作用可能是自由基對(duì)膜脂的過(guò)氧化損傷引起的天天色天天爽。

Poison ivy and poison oak rashes are caused by an allergy to the resin of these plants, called Rhus plants.

毒害常春藤而且毒害橡木制的輕率對(duì)這些植物的樹(shù)脂由一個(gè)過(guò)敏癥所引起一级片免费观看，認(rèn)為 Rhus 是植物。

Several different adhesives are used for securing the plant onto the mount. For example; Liquid Nails, hot glue, Goop, Tilly Tacker or E6000. We recommend E6000 because it is colorless, extremely strong, water proof, and non-toxic to plants. Use a xxxall amount of adhesive near the base of the plant, but not on the bottom. Avoid covering the area where the roots form. Then using a soft coated wire such as telephone wire or floral wire, tie the plant securely until the adhesive sets.

定植的方法是很多的www.色色.com，例如：用液體的熱溶膠无码有码日韩制服AV，鎂尖糊塊，高壓平頭器或E6000的膠水都可以91自拍偷拍第一页，我們推薦的E6000是無(wú)味日韩人人操人人射，粘性強(qiáng)，防水黑人与黑人作爱A级毛片，對(duì)植株沒(méi)有毒害作用国产精选黄色视频免费在线观看，用少量的黏附在植株的基部，但不是底部亚洲欧美日韩第一区在线观看，避免影響到根部，然后用如電話(huà)線(xiàn)狀的金屬絲或植物的莖稈把植株固定住新地址黄片，直到植株已經(jīng)牢固久久国产精品亭亭亚洲Av。

A hydroponical experiment was carried out to study the toxicity of copper, cadmium and their combined pollution on ultrastructure of Commelina bengalensis Linn. Transmission Electron Microscope was used to investigate the effect of heavy metal on ultrastructure of different parts of plants.

為了解銅、鎘對(duì)泡泡草根黑色丝袜一区二区三区、莖亚洲免费性爱片一级、葉細(xì)胞亞顯微結(jié)構(gòu)的毒害及作用位點(diǎn)，以期為進(jìn)一步研究鴨跖草屬植物的耐重金屬機(jī)理提供理論基礎(chǔ)干处女视频，本文通過(guò)透射電子顯微技術(shù)研究了75 μmol·L-1銅和50μml·L-1鎘及其交互污染對(duì)泡泡草根美女被操网站在线播放、莖、葉細(xì)胞超微結(jié)構(gòu)的影響和銅男子把美女尿口亲出水视频、鎘在細(xì)胞中的分布先锋影音免费资源站。

By imitating different concentration of Cd2+ Cu2+ Cr3+ Cr6+and Zn2+polluted water environment,we mainly studied their toxic effects on aquatic piants by means of measurement of physiologicai indexes and electron microscopy observation as well as the relieving to Cu2+ injury of antioxidase enzyme system in Lemna minor L. and Vallisneria asiatica Miki in this paper by throwing Ce.the experimental results showed that Cd2+ Cu2+ Cr3+ Cr6+ and Zn2+ might injure photosynthetic systems, protective enzyme system, substance metabolism systems and cell ultrastructure of the plant.

本文通過(guò)模擬不同濃度梯度的重金屬Cd~(2+)、Cu~(2+)、Cr~(3+)国产专区在线操、Cr~(6+)和Zn~(2+)污染環(huán)境国产香蕉网址在线观看AV，利用生理生化測(cè)定、掃描電鏡黄色视频免费播放、透射電鏡欧美视频.欧美性爱、氣相色譜及激光共聚焦等實(shí)驗(yàn)手段，研究了四種金屬離子對(duì)不同生態(tài)型的水生植物的毒害影響日韩电影成人免费观看网址，初步探索了Ce對(duì)浮萍Cu害的緩解效應(yīng)和La欧美R18在线、Zn及其交互作用對(duì)浮萍活性氧清除系統(tǒng)影響。

To understand the toxicity mechanisms of mixed heavy metals on aquatic plant,indicators of algea growth rate,content of reduced glutathione,activities of glutathione S-transferase and glutathione peroxidase of green algae, Scenedesmus quadricauda were measured to analyze the individual and joint toxic effects of lead and mercury.

為進(jìn)一步了解重金屬?gòu)?fù)合污染對(duì)水生植物產(chǎn)生毒害作用的機(jī)制国产第一福利导航，以單細(xì)胞藻類(lèi)生長(zhǎng)及細(xì)胞內(nèi)還原型谷胱甘肽含量亚洲色图中文字幕一区、谷胱甘肽-S-轉(zhuǎn)移酶和谷胱甘肽過(guò)氧化物酶活性為指標(biāo)，對(duì)鉛和汞單一及聯(lián)合脅迫對(duì)四尾柵藻的毒性作用進(jìn)行了研究一级a爰片视频在线观看。

Nickel is both nutritional and toxical for plants, animals and human beings.

鎳對(duì)動(dòng)亚洲超级碰、植物和人體是兼具營(yíng)養(yǎng)與毒害作用的元素。

There are many of studies on toxicant mechanisms of heavy metals against plants in China and abroad, which will be helpful to alleviate poison and avoid the hazard of heavy metal contamination.

重金屬對(duì)植物體的毒害在國(guó)內(nèi)外已經(jīng)有大量的研究久久免费精品网站视频观看，研究重金屬對(duì)植物的毒害機(jī)理可以為減輕重金屬對(duì)植物體的毒害AAAAA级毛片完整视频，規(guī)避重金屬風(fēng)險(xiǎn)提供理論依據(jù)。

Desmids, diatoms and horsetails, and in smaller amounts in the cell walls of many higher plants, especially grasses, where it can be a useful taxonomic feature.

更多高等植物的細(xì)胞壁中則含量較少99久久国产精品熟女，尤其是禾本科植物久久几网站，硅對(duì)其具有有效的毒害作用。

ion antagonism：離子頡頏

29.離子頡頏(ion antagonism) 離子間相互消除毒害的現(xiàn)象,也稱(chēng)離子對(duì)抗. 30.平衡溶液(balanced solution) 植物必需的礦質(zhì)元素按一定濃度與比例配制成使植物生長(zhǎng)有良好作用而無(wú)毒害的混合溶液稱(chēng)為平衡溶液.

baneberry：一種有毒植物, 此種植物的果實(shí)

bane /毒/危害/毀滅/毒害/ | baneberry /一種有毒植物/此種植物的果實(shí)/ | baneful /有害的/使人苦惱的/

chemical warfare agent：化學(xué)戰(zhàn)劑

1.1.1 化學(xué)戰(zhàn)劑:化學(xué)戰(zhàn)劑(chemical warfare agent)系指用于戰(zhàn)爭(zhēng)目的黄页网站免费观看大全、具有劇烈毒性、能大規(guī)模毒害或殺傷敵方人www.whzjsy.com、畜和植物的各種化學(xué)物質(zhì). 目前所指的化學(xué)戰(zhàn)劑主要是軍用毒劑,簡(jiǎn)稱(chēng)毒劑(chemical agent). 現(xiàn)階段全世界裝備或貯存的重要化學(xué)戰(zhàn)劑不過(guò)十多種.

hypericum perforatum：貫葉金絲桃

陸生植物如貫葉金絲桃(Hypericum perforatum)是一種有毒的多年生雜草,廣布于歐亞大陸. 在過(guò)度放牧的草場(chǎng)上,牛羊喜食的草本植物減少,貫葉金絲桃成了重要危害. 當(dāng)牲畜取食少量時(shí),刺激口舌,降低食欲,大劑量則毒害致死. 據(jù)報(bào)道,1904年被帶入美國(guó)加州北部,

toxin：毒素 毒素

四免费看黄色网站不卡、毒素 毒素(toxin)是植物病原真菌和細(xì)菌代謝過(guò)程中產(chǎn)生的,能在非常低的濃度范圍內(nèi)干擾植物正常生理功能、對(duì)植物有毒害的非酶類(lèi)化合物. 依據(jù)對(duì)毒素敏感的植物范圍和毒素對(duì)寄主種或品種有無(wú)選擇作用,

Amaranthus tricolor：莧

典型的喜鈉植物有甜菜国产高清无码网址、澳洲囊狀鹽蓬(Atriplex vesicaria)欧美色色成、三色莧(Amaranthus tricolor)、濱黎和藍(lán)藻等,它們?cè)谌扁c時(shí)會(huì)產(chǎn)生典型的缺素癥狀. 然而,許多栽培作物在鈉多時(shí)會(huì)出現(xiàn)毒害現(xiàn)象. 通常土壤溶液中可溶性鈉的濃度在9~30 mg.kg-1的范圍內(nèi),

laten：潛在的

neurotoxicity 神經(jīng)毒害 | laten 潛在的 | graft versus host disease 移植物抗宿主病

phytotoxic：毒害植物的

phytotoxemias 植物中毒病害 | phytotoxic 毒害植物的 | phytotoxicity 植物毒性