矮化現象 的英文怎麼說
中文拼音 [ǎihuàxiànxiàng]
矮化現象
英文
dwarfism-
Often i have visited the new york museum of natural history to touch with my hands many of the objects there exhibited, but i have longed to see with my eyes the condensed history of the earth and its inhabitants displayed there ? animals and the race of men pictured in their native environment, gigantic carcasses of dinosaurs and mastodons which roamed the earth long before man appeared, with his tiny stature and powerful brain, to conquer the animal kingdom, realistic presentations of the processes of evolution in animals, in man, and in the implements which man has used to fashion for himself a secure home on this planet, and a thousand and one other aspects of natural history
我經常到紐約自然歷史博物館去，用雙手無數次地撫摸過那裡陳列的展品，我多麼渴望能用自己的眼睛看一看這濃縮的地球的歷史，以及陳列在那裡的地球上的居民? ?各種動物和以他們生活的天然環境為背景描繪的不同膚色的人種；以及早在人類出現以前就漫遊在地球上的恐龍和柱牙象的巨大骨架，當時的人類靠自己矮小的身軀和發達的大腦征服了動物的王國；還有表現動物和人類進化過程的逼真畫面，和人類用來為自己在這個星球上建造安全居處的工具，以及另外許許多多自然歷史的其他方面的事物。Toxic effects of high acidity of acid rain and high concentrations of zn or cd on growth of brassica chinensis l and phaseolus vulgaris l were obvious, which was showed in the fact that the leaves were smaller and narrower than the contrast, and the growth of the plants were inhibited
強酸性降雨和土壤高濃度的zn 、 cd污染對小白菜和四季豆生長產生毒害作用，主要表現在葉片變窄變薄，失綠現象明顯，植株矮化，生長發育受阻。小白菜、四季豆根、葉中mda含量與zn 、 cd濃度呈正相關。1 ) under the enhanced ultraviolet - b radiation, the wheat seedlings shown the decreased height and leaf area, accumulation of screening pigments and " root - bending "
結果表明： （ 1 ）經增強uv - b輻射后，小麥明顯表現出植株矮化、葉片捲曲、顏色加深，並產生「翹根」 （胚根向上彎曲）現象。
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