接穗的基部被切成斜形,暴露出椭圆形的大圈形成层.The base of scoin is cut diagonally to expose a large oval of cambium.原形成层和基本分生组织的细胞比原表皮层细胞更加液泡化.Cells of the procambium and ground meristem are more vacuolated than those of the protoderm.中柱包括从原形...
前列腺素具有强烈的催产效果,用于引起妇女的流产和分娩.The potent oxytoic effect of prostaglandins has been used to induce abortion and labor in women.如果催产素基因缺损,以上命题同样成立.The same is true if the vasopressin gene is knocked out.本发明属于鱼类养殖技术领域,涉及一种大鲵(娃...
There has been a modest upturn in most parts of the industry.该行业的绝大部分领域都出现了一定程度的好转。They do not expect an upturn in the economy until the end of the year...他们预测要到年底经济才能有所好转。Experts have forecast an upturn in the stock mar...