Topics include: integrated pest management, chemical control, insect growth regulators, pesticide application technology, host plant resistance, genetic manipulation, biological control, plant pathology, mycology, nematology, entomology, acarology, etc.

其主題包括：綜合害蟲治理国产嫖妓视频一区二区、化學(xué)控制国产色无码视频在线观看免费无码、昆蟲發(fā)育調(diào)控因子pirn免费毛片在线、殺蟲劑應(yīng)用技術(shù)国产日韩av免费、植物宿主抗性、遺傳控制婷婷久久综合爱桃花、生物控制日韩精品视频综合网在线观看、植物病理學(xué)一级电影久久、真菌學(xué)、線蟲學(xué)国产黄色在线、昆蟲學(xué)熟妇的天堂av、蜱螨學(xué)等。

The Acceptance of the Contract Plant shall not release the Seller from his warranty for the Contract Plant.

合同項目的驗收并不能免除賣方對合同項目的保證責(zé)任久久不免费视频1。

Different type idioplasm resources paddy rice adult plant character and paddy rice quality character overall outlineThe birth characteristic, adult plant shape, ear of character of idioplasm resources agronomic characters have the extremely remarkable difference, like weight of a thousand seeds change in 19.67-40.9g, in 18 kind of hull color by brown yellow variety most, in 9 kind of awn colors are most by the achromatic color.

不同類型種質(zhì)資源水稻植株性狀及稻米品質(zhì)性狀的總體概述種質(zhì)資源水稻的生育特性2020国产精品对白露脸、植株形態(tài)、穗部性狀等農(nóng)藝性狀均具有極顯著的差異性久久黄色免费视频，如千粒重變化在19.67-40.9g美女黄网站色视频免费国产，18種穎殼色中以褐斑黃色樣本數(shù)最多，9種稃尖色中以無色最多色播影院私人影院。

In this thesis , the effects of acid materials on calcareous soil were studied by using laboratory soil trial and pot experiments trail. The text studied effects of acid materials on pH value in calcareous soil ; studied effects of phosphoric acid (H2SO4 as control) on pH value and micronutrient availability ; studied relation between P and available Fe, Zn in plant; studied effects of acid material on growth of acidophilic plant.

本文采用室內(nèi)模擬試驗和盆栽試驗相結(jié)合的方法在线观看视频欧美，研究了不同酸性物質(zhì)對石灰性土壤的酸化效果；磷酸和硫酸對石灰性土壤pH值及微量元素有效性的影響操操黄色网站；植物體內(nèi)磷自拍日韩精品第18页视频在线观看、有效鐵夜晚操人必看69、鋅的關(guān)系美女双腿张开被操出白浆；不同酸性基質(zhì)對嗜酸植物生長的影響。

Investigation on the phytoehemistry of the plant Aconitum pieounense To our knowledge, no phytochemical investigation of this plant had been undertaken.

第一部分是中甸烏頭的生物堿成分研究美女被插高潮到爽，之前尚未見到該植物化學(xué)成分研究的相關(guān)報道91绿帽人妻网站。

Actinomycosis soil microorganisms for a big group, have an important impact on plant growth, can increase crop production, particularly in the biological control of plant diseases and insect pests have an important role.

放線菌為土壤微生物的一大類群，對植物生長有著重要影響国产久久久污污污女高潮免费视频福利社，可以增加作物的產(chǎn)量精品日韩视频，特別在植物病蟲害的生物防治中有著重要的作用。

In order to improve the activeness of the power plant, discussed the achievement standard of calculation and evaluation of power plant.

最后為了調(diào)動發(fā)電企業(yè)的積極性av视屏在线观看，探討了對發(fā)電企業(yè)業(yè)績計量與評價的標(biāo)準(zhǔn)国产亚洲日韩入口AV。

In this paper, the special life form of alpine and arctic plants are analyzed with data from many study fields such as plant ecology, plant physiology, aerography and so on and regarded it as a major adaptive mechanism.

本文以植物生態(tài)學(xué)、植物生理學(xué)AAA级黄色视频免费看、氣象學(xué)等學(xué)科資料国产乱伦一级黄片，分析了高山和北極植物的特有生活型，并認(rèn)為它是一種主要的適應(yīng)機(jī)制国产第一区视频。

Carry out international construction affairs including declaration, business negotiation, and contract signing, coordinate construction approval and export credit, check and confirm the construction plan, plant purchasing , organize the construction team , coordinate domestic affreightment , approval and declaration of plant import and export, as well as the communication with related business persons at home and abroad

實施國際工程的具體事務(wù)欧美国产一级黃片，包括報批，商業(yè)談判以及合同簽署sod9999.com，協(xié)調(diào)工程的審批一级片播放、出口信貸的落實、對工程方案的審查和確立黄色网站一级二级Av，設(shè)備采購毛片女人十A片十女人、施工方案的確定黄色美.女40岁视频看看，施工隊伍的組織，國內(nèi)的運輸事務(wù)色综合久久久金八天国、設(shè)備的進(jìn)出口協(xié)調(diào)和報批成年人视频网址、報關(guān)，以及與海外相關(guān)業(yè)務(wù)人員的溝通

Experience: 2-30 years of engineering experience in power plant, air pollution control system, or process plant design experience.

經(jīng)驗： 至少兩年以上工業(yè)經(jīng)驗人操人人人干。具有電廠男女交配视频免费观看，空氣污染控制系統(tǒng)或設(shè)計院經(jīng)驗者優(yōu)先