The results showed: 1 Alfalfas grown for different lengths of time had considerable influence on photosynthetic characteristics of which the most important was stomatal conductance followed by transpiration rate and the chlorophyll relative content. 2 Diurnal variation in Pn and Tr had two peaks, and an obvious midday depression. 3 The net photosynthetic rate was significantly positively correlated with photosynthetic radiation, stomatal conductance, the relative chlorophyll content, and transpiration rate. The net photosynthetic rate was significantly negatively correlated with intercellular CO2 concentration.

結(jié)果表明，1生長(zhǎng)年限對(duì)苜蓿光合特性有較大的影響国产黄色专区，對(duì)氣孔導(dǎo)度的影響最大欧美日韩二区视频，其次是蒸騰速率和葉綠素相對(duì)含量啊进来插视频。2苜蓿葉片凈光合速率国产乱伦熟女视频、蒸騰速率日變化均呈現(xiàn)&雙峰&曲線欧美性激情网，有明顯的光合&午休&現(xiàn)象。3凈光合速率與光合有效輻射欧美日韩性爱成、氣孔導(dǎo)度免费人人操公开、葉綠素相對(duì)含量呈極顯著正相關(guān)，與蒸騰速率呈顯著正相關(guān)午夜福利国产a，與田間CO2濃度呈極顯著負(fù)相關(guān)手机在线看永久AV片免费。

An atom of antihydrogen, for instance, is composed of a negatively-charged antiproton being orbited by a positively-charged positron.

舉例來說，一個(gè)反氫原子无码不卡在线观看网站视频，由帶正電荷的正電子圍繞帶負(fù)電荷軌道運(yùn)行的反質(zhì)子組成福利片2012。

Similarly the positively charged proton has a negatively charged antiparticle, the antiproton.

同樣的，帶正電荷的質(zhì)子具有其帶負(fù)電荷的反粒子—即反質(zhì)子操黄色网站。

Just as you shouldn't badmouth your employer, don't talk negatively about yourself!

就像你不能說你雇主的壞話一樣久久久久综合综合情况久久久，不要老是說你自己的不是。

There is no one kind of thing that we 'perceive' but many different kinds, the number being reducible if at all by scientific investigation and not by philosophy: pens are in many ways though not in all ways unlike rainbows, which are in many ways though not in all ways but not in all ways unlike pictures on the cinema-screen-- and so on, without assignable limit. So we are not to look for an answer to the question, what kind of thing we perceive. What we have above all to do is, negatively, to rid ourselves of such illusions as 'the argument from illusion'--an 'argument' which those (e.g Berkeley, Hume, Russell, Ayer) who have been most adept at working it, most fully masters of a certain special, happy style of blinkering philosophical English, we have all themselves felt to be somehow spurious.

我們&感知&到的不是唯一的一類東西啊你轻点啊好深视频，而是林林總總99re热自拍偷拍、紛繁各異的事物；它們的數(shù)目即便可以歸約化簡(jiǎn)日韩精品视频在线观看,，那也應(yīng)是科學(xué)研究而非哲學(xué)思考的任務(wù)：在很多方面.com国产黄色视频在线看，但并非在所有方面，鋼筆異於虹霓99riav8，虹霓又在很多方面雖非在所有方面異於視覺后象免费黄色网站视，視覺后象又在很多方面雖非在所有方面異於銀幕上的圖像――如此等等，沒有可以簡(jiǎn)單劃分的界線成品直播大全免费观看网站视频下载。

The male buntings' quality was found to be negatively correlated with the brightness, visible and ultraviolet chroma of yellow plumage, but positively correlated with the brightness, visible chroma and hue of black plumage on the face.

對(duì)黃喉鹀雌國產無碼色視頻在線、雄鳥羽色的差異以及雄鳥羽色與雄鳥質(zhì)量的相關(guān)性分析結(jié)果表明，黃喉鹀雌毛片无毒不卡、雄鳥在人眼看來相同的黃色羽和白色羽部分AAAAAAAAA欧美A片，在紫外光色度上卻存在顯著差異，雄鳥紫外光色度高于雌鳥国产精品女视频一区二区。

Although a lot of economic activities are not contributed by weather directly, but the result or course are affected either positively or negatively. For instance, beverage retailer adjusts circulation according to temperature, farmer adjusts way of cultivation according to rural weather report, and umbrella chapmen decide whether to sell or not.

許多經(jīng)濟(jì)活動(dòng)雖不是直接由天氣促成伊人欧美在线视频免费版观看网址，但其結(jié)果或進(jìn)行過程中是受到天氣正面或負(fù)面影響的，不管是飲料商根據(jù)氣溫調(diào)整販?zhǔn)哿棵夥芽椿粕獳网站、農(nóng)夫根據(jù)農(nóng)業(yè)氣象調(diào)整耕作方式久久99精品国产、雨傘小販依據(jù)大雨特報(bào)決定擺攤與否等，皆顯示出天氣已影響人類經(jīng)濟(jì)活動(dòng)至深国产福利不卡免费视频在线观看。

The usage of agrochemicals was significantly negatively correlated with the fish population density in the traditional rice-fish coculture ecosystem.

本研究通過取樣調(diào)查和田間試驗(yàn)相結(jié)合一级毛片无毒不卡直接观看，研究了傳統(tǒng)稻魚系統(tǒng)的水稻生產(chǎn)過程農(nóng)藥的施用和病蟲草害的發(fā)生国产精品情侣久久婷婷综合,国产情侣。

There is overwhelming support for the view that decrements in vigilance can negatively impact performance.

大量的研究都認(rèn)為警惕性降低會(huì)影響工作能力。

Generally, all skin types respond negatively to detergents and other chemical based products.

一般來說日韩精品美女自拍网页视频在线观看，所有類型的皮膚反應(yīng)陰性洗滌劑和其他化學(xué)制品中文亚洲欧美在线。