Supported by the powerful technology potence of Zhongshan University,South China University of Technology etc.,our company is committed to using the renewable natural resources to developing biological products of no harm to environment and human body.

nbsp特级片网站；公司憑借其中山大學、華南理工等強有力的科技力量国产论理精品在线，主要致力于利用自然可再生資源來開發(fā)對環(huán)境四位少妇精油按摩、對人體都沒有任何危害的生物產(chǎn)品成年人免费观看黄色视频。

Based on area change of flowing sandlot, the harm of quicksand on the farm, herd , water conservancy and traffic in that region was analyzed, and countermeasures of natural renew, and biological and engineering controlling in allusion to quicksand harm were put forward.

以流動沙地面積變化為切入點，分析了流沙對當?shù)剞r(nóng)牧業(yè)52pao国产成视频永久免费、利国产短视频一区、通的巨大危害，并因害設(shè)防地提出了自然生態(tài)恢復及生物和工程防治對策台湾山村寡妇一级A片。

To save himself he must turn his attention to the means of controlling, directing, organizing, and subordinating to his own biological functions and cultural purposes the insensate forces that would, by their very superabundance, undermine his life.

為了拯救自己三级网站硬插，我們必須把注意力轉(zhuǎn)向這些控制，指導和組織的方式上久久精品国产精品免费专区，并且注意把自己放在相對于自身生物功能和文化目標相次的位置上欧美顶级作爱视频，注意那些極大數(shù)量的，無法感知的日韩精品一区二区三区在线播放，將會對生命構(gòu)成危害的力量亚欧无码专区精品久久久。

Drought, salinity, and low temperature are the most severe natural disaster of many abiological adversities. They can make crop yield reduction, even to death.

干旱、鹽堿和低溫等非生物逆境是危害作物諸多因素中最為嚴重的自然災(zāi)害亚洲片免费一级A片，它可以使作物減產(chǎn)特色特黄色片，甚至死亡。

Ageratina adenophora is a worldwide noxious weed and has caused tremendous detrimental effects on agriculture, forestry, rangeland and natural ecosystem since it invaded in Southwesten China in last century.

入侵我國西南地區(qū)的惡性雜草紫莖澤蘭Ageratina adenophora(Sprengel對農(nóng)業(yè)激情小说自拍视频、林業(yè)黄色视频ⅹⅹxⅹ、草場牧場以及自然生態(tài)系統(tǒng)帶來了嚴重的危害，常導致入侵生境生態(tài)系統(tǒng)結(jié)構(gòu)和功能發(fā)生改變黄污aaawww水视频，降低生物多樣性且造成巨大的經(jīng)濟損失久久地址2015。

Nowadays, however, more and more weeds are occurring in rice fields, particularly the conspecific weedy rice (O. sativa f. spontanea).

但是，現(xiàn)在水稻的生產(chǎn)受到越來越嚴重的雜草危害首页国产日韩欧美第一页，尤其是與它同屬于一個生物物種的雜草稻(weedy rice欧美特黄色视频，D.sativa L.f.spontanea)。

The root of Leptopus Chinensis Pojark, belonging to Euphorbiaceae, was extracted with petroleum ether, chloroform and methyl alcohol by different methods. Insecticidal activitives of crude extracts and fractions against Plutella xylostella were tested, and its effects on activities of several enzymes from the pest were evaluated.

本研究以大戟科植物雀兒舌頭為實驗材料人妻18p视频一区二区，用多種有機溶劑和不同提取方法對雀兒舌頭的根進行抽提亚洲无码一级在线视频，用抽提物及其萃取物分別對危害蔬菜的重要害蟲--小菜蛾進行了生物活性測定及幾種酶活性的影響，實驗結(jié)果如下： 1久操欧美视频。

The chain-forming dinoflagellate Gymnodinium catenatum was only one species in Gymnodinoid known that produces paralytic shellfish poison which had a negative impact on marin environment,aquaculture and human health.

中文摘要有害赤潮生物鏈狀裸甲藻是唯一能產(chǎn)生麻痹性貝類毒素的裸甲藻www.久久久久久.com，其產(chǎn)生的毒素給海洋環(huán)境、漁業(yè)及人類健康帶來了嚴重的危害www天堂在线亚洲av。

Ascaris lumbricoides (Linnaeus, 1758), the largest and most common of the intestinal helminthes of humans, has a world wide distribution. More than 1 billion of world population was reported to be infected. Ascaris suum (Goeze, 1782) is one of the most ordinary parasites which infects pigs and causes huge economic losses.

似蚓蛔線蟲即俗稱人蛔蟲(Ascaris lumbricoides Linnaeus黄片视频在线观看www，1758)是世界上流行地域最廣、感染人數(shù)最多的病原生物之一欧美一级高清免费播放，嚴重危害人類健康特黄视频；而豬蛔蟲(Ascaris suum Goeze，1782)則是造成生豬感染的最常見寄生蟲人人摸天天干，可造成巨大的經(jīng)濟損失亚洲在在线观看免费视频。

How to control harmful biologic in property government activity transmission of mobbish, disease, eat by moth feeds the harm such as property, posed new task and challenge to all property management department.

在物業(yè)管理活動中如何控制有害生物的滋擾欧美日视频、疾病傳播、蛀食財物等危害欧美ssxx，給所有的物業(yè)管理部門提出了新的課題和挑戰(zhàn)亚洲欧洲自拍拍偷片区。