The chlorosis develops from light yellow to tan, becoming brown and finally drying to a'scorch ".褪绿部分由淡黄色演变为黄褐色以至褐色,最终变干呈“灼伤状 ”.Is it a lack of sulfur that causes chlorosis?褪绿病是缺硫引起的 吗 ?Hair and fair complexion, no ...
Is it a lack of sulfur that causes chlorosis?褪绿病是缺硫引起的 吗 ?Hair and fair complexion, no pigmentation, dull complexion or chlorosis.皮肤白皙, 无色素沉着, 肤色萎黄或晦暗.The chlorosis develops from light yellow to tan, becoming brown and f...
It is insoluble in carbon disulphide, soluble in hot aniline and phenol.它不溶于二硫化碳, 溶于热苯胺和苯酚.Callose stains are aniline blue, resorcin blue and rosolic acid.胼胝质的染剂是苯胺蓝, 间苯二酚蓝和玫红酸.N - phenyl maleimide was synthesized from m...
The old cuticle is digested by molting fluid.旧表皮被蜕皮液消化.Molting in insects is triggered by rising levels of a hormone called ecdysone.昆虫的脱皮是由于称为脱皮素激素的含量升高而引起的.Molting is controlled by a hormone.蜕皮是由一种激素....
The colts and calves are gambolling round the stockman.小马驹和小牛犊围着饲养员欢蹦乱跳.They are very careful in keeping the mares and colts away from humans.公野马总是掩护着母野马和野马驹远离人们.He plays for the colts, eg the junior team of a football c...
They approved a $1.1 billion package of pay increases for the veterans of the Persian Gulf War.他们通过了对参加过波斯湾战争的老兵增发共计11亿美元的一揽子提案。A Persian rug covered the hardwood floors.硬木地板上铺着一张波斯地毯。Iran was key to the balance in the P...