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In the present study we evaluated the effect of cadmium and mercury exposed through medium and via algal food for the rotifer B.rubens.

在本研究中,通过在轮虫Brachionus rubens的培养基和食料中添加重金属这两种途径,我们评估了镉和铅的效应。

When grown on Chlorella exposed for different durations to cadmium,the rotifer density decreased with the increasing duration of algal exposure to the heavy metal.

而喂食经不同时间处理的绿藻后,轮虫的密度随着食料在重金属中处理时间的延长而减小。

Test According to marine experts, rhino feetis a non-polluting shallow water, where the shallow tidal flats have a tremendous wealth of fish, shrimp, crabs and shellfish, algae and other micro-organisms, which reared duck grazing provides a natural high-quality food,sea duck is the duck reared with grazing produced, eggs rich in calcium, iodine, zinc, selenium, iron, magnesium, potassium and other trace elements and vitamins needed for a variety of human , amino acids and rich in lecithin, is an ideal food.

据海洋专家检测鉴定,犀牛脚三娘湾是一片无污染的浅海,那里的浅海滩涂上有着极为丰富的鱼、虾、蟹及贝类、藻类等微生物,这为放牧饲养的蛋鸭提供了天然优质的食料,三娘湾海鸭蛋就是这一带放牧饲养的蛋鸭所产,蛋中富含钙、碘、锌、硒、铁、镁、钾等多种微量元素和多种人体所需的维生素、氨基酸及丰富的卵磷脂,是理想的绿色食品。

It is at least foolish to assume such disproportion, or to attempt to prove it by artificial calculations or sophistical arguments, so long as on the globe a mass of natural forces still lies inert by means of which ten times or perhaps a hundred times more people than are now living can be sustained.

世界上还有大量的天然富源没有开发,人口就是再增十倍或甚至百倍也足以供应;情况既然是这样,这种食料与人口两者不能相平的想法,或者用假想的计算、诡谲的论据来证明这种臆说的办法,可以说至少是愚昧的。

And Arhopalus unicolor could beserved as the substitute host instead of the Monochamus alternatus Hope for thepropogation of Dastarcus helophoroides indoors.

其中松褐天牛幼虫和蛹是花绒坚甲的最好自然寄主,黄粉甲是花绒坚甲相对较适合的替代寄主,有关人工食料饲育研究有待进一步深入。

Effects of transgenic Bt rice on predation and prey preference of wolf spider Pirata subpiraticus Function responses of spiders fed Bt prey or control prey both followed the Holling type.Ⅱ.

九、转Bt基因水稻对拟水狼蛛捕食功能反应和猎物选择性的影响以不同食料喂饲的两种拟水狼蛛对褐飞虱的捕食功能反应都符合Holling Ⅱ型反应。

Temperature is an important environmental factor which influences insects reproduction. In order to obtain the highest reproductive efficiency, Chrysopa septempunctata was fed with aphids at 15 #,25 # and 30 # respectively.The results indicated that oviposition period was prolonged obviously and oviposition quantity to a single female worm was the highest at low temperature of15#.

温度是影响昆虫生殖的重要环境因子,为了获得最高的繁殖效率,比较了在15℃、25℃和30℃的条件下用蚜虫做食料来饲养大草蛉,发现在低温15℃的条件下,单雌产卵量最高,产卵历期也较长。

Like as to make our appetite more keen With eager compounds we our palate urge, As to prevent our maladies unseen, We sicken to shun sickness when we purge. Even so being full of your ne'er-cloying sweetness, To bitter sauces did I frame my feeding; And sick of welfare found a kind of meetness, To be diseased ere that there was true needing.

好比我们为了促使食欲增进,用种种辛辣调味品刺激胃口;又好比服清泻剂以预防大病,用较轻的病截断重症的根由;同样,饱尝了你的不腻人的甜蜜,我选上苦酱来当作我的食料;厌倦了健康,觉得病也有意思,尽管我还没有到生病的必要。

The effects of four food plants(castor,cowpea,papaya,and banana) on the development and nutriention of Prodenia litura were studied under 28.1℃ of laboratory temperature and 84.0% of relative humidity.

在室内平均温度28.1℃,平均相对湿度84.0%的条件下研究了蓖麻、豇豆、番木瓜和香蕉等4种食料植物对斜纹夜蛾Prodenia litura生长发育及营养效应的影响。

Differences among larval durations were significant, while no significant difference in pupal duration were detected.

喂 10 %蜂蜜时,雌蛾寿命、交配率和产卵量在四个幼虫食料组之间没有显著差异。

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推荐网络例句

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

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。