水生植物

The linear relationship between creaturely activity for alcohol, aether, ketone and ester and the molecular topological index is obtained.

研究了醇、醚、酮和酯对水生生物毒性、蝌蚪麻醉活性、沙镯幼虫麻醉活性、番茄植物毒性、红蜘蛛毒性、藤壶幼虫麻醉活性、局部麻醉剂活性和小鼠毒性等八种生物活性分别同其分子连接性指数的相关性。

Type genus of the Eriocaulaceae: rushlike aquatic or marginal perennials usually found in shallow waters of ''.

谷精草''。'科'。''的模式属；水生或边缘一个多年生植物属，像灯芯草的，常生长于''。

Type genus of the Eriocaulaceae: rushlike aquatic or marginal perennials usually found in shallow waters of acid lakes and pools and bogs.

谷精草科的模式属；水生或边缘一个多年生植物属，像灯芯草的，常生长于酸水湖水池及沼泽的浅水处。

The results indicated that (1) the 147Pm, 141Ce and 147Nd had strong adsorptivity in soil, so they were hard to transfer and easily accumulated in soil or sediment;(2) all the organisms (5 aquaties and 4 eatable plants) tested showed apparent 147Pm concentrating capabilities;(3)the residues of 147Pm, 141Ce and 147Nd were unevenly distributed in the animal's viscera and tissues, higher residues were found in bone, marrow, eye, brain, heart, adipose and testis, showing selective accumulation;(4) with intraperitioneal dosing of Nd or Ce 200mg ·kg -1 apparent inhibition to gonadial hormone secretion in mice was found and with 200 and 800mg·-1 of Ce added in feed, the malformation rate of spematozoon showed higher.

综合研究结果表明： 14 7Pm、14 1Ce和14 7Nd在土壤中具有强的吸附性，而且难以迁移，易于在土壤和底泥中积累；( 2 )供试的 5种水生生物、4种陆生食用植物对14 7Pm均具有明显的富集性；( 3) 14 7Pm、14 1Ce、14 7Nd在动物体内脏器和组织间呈不均匀分布，在骨骼、骨髓、眼、大脑、心脏、脂肪和睾丸中残留量较高，表现了明显的选择性蓄积；( 4 )一次性腹腔注射2 0 0mg·kg-1的Ce和Nd对小鼠性腺激素的分泌有明显的抑制作用，以 2 0 0和80 0mg·-1的Ce随饲料摄入对雄性小鼠精子畸形率明显升高。

Any of several vascular, spore-bearing, aquatic or marsh plants of the genus Isoetes having short rhizomes and quill-like leaves.

水韭一种水韭属的、有维管的、含孢子的水生或沼生的植物，长有短根茎和羽管状的叶子

Any of various small, free - floating,stemless aquatic flowering plants of the genus Lemna.

浮萍一种浮萍科小而无根，自由浮动的水生开花植物

Any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds.

浮萍科的任何一种小的、水生的植物，经常漂浮在浅水塘的表面上。

Any of various aquatic or marsh fern s of the genus Marsilea,having floating,four - parted palmate leaves rising from long runners.

苹某种水生或沼泽厥类植物，苹属，有从长蔓上长出的浮动的四指掌状叶子

Monotypic family of aquatic plants having narrow leaves and small flowers.

水生单子叶植物的一科具有窄小的叶子和小花。

Herbs paludose or aquatic, perennial or under unfavorable conditions annual.

草本沼生的或水生，多年生植物的或在不利的状况下为一年生草本的。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失