生物-社会的

Now, it is commonly used for the adverse effect of habitat fragmentation in conservation biology

受环境条件周期性变化的影响，并与生物种的生活周期相关。

Yolanda O ' Bannon is executive assistant to biochemist and former National Academy of Sciences President Bruce Alberts.

Yolanda O ' Bannon是生物化学家的行政助理，之前她是Bruce Alberts国家科学院的主席。

Though harvested for algin (used in paints, foods, and makeup), kelp provides sustenance and shelter for so many forms of life that Darwin likened kelp forests to rain forests in their bounty.

虽然富含褐藻酸（用于颜料，食物，和化妆品），巨型海藻提供了众多生物种群的食物和庇护所。以至于达尔文把巨型海藻林称为是他们领域内的热带丛林。

The development and research of biological energy of green algae is alluring.

绿藻作为生物能源的研究和开发具有诱人的发展前景。

The chemical shifts of amide hydrogen and nitrogen of RppH do not change after the addition of Mg2+.

在得到了RppH的结构信息后，对其生物活性的分子机制进行了初步探讨。

But hydrogen is not easy to make, for producing it by amylum glucose is of too high a cost, while the method of decomposing organic material by bacteria is hard to industrialize

但是氢气不容易制取，用淀粉葡萄糖产生氢气的成本太高，细菌降解生物物质的方法又难以工业化。

Gaze at the vivid yellows, blues, and psychedelic swirls of a single emperor angelfish and you'll sense the whimsy of evolution.

瞧瞧那"皇帝神仙鱼"身上鲜艳的黄与蓝，还有迷幻般的漩涡，你就能感受到生物进化的无奇不有了。

Submitted by aJie on 2009, February 16, 1:59 PM.网络资源Gaze at the vivid yellows, blues, and psychedelic swirls of a single emperor angelfish and you'll sense the whimsy of evolution.

瞧瞧那"皇帝神仙鱼"身上鲜艳的黄与蓝，还有迷幻般的漩涡，你就能感受到生物进化的无奇不有了。

The study supplied basis for empoldering wild botanical resources of Yunnan Province further and finding more chemical constituents with bioactivity in wild aniseed.

结论］该研究为进一步开发云南省的好生植物资源，寻找野生八角更多具有生物活性的化学成分提供了依据。

Degradation of long residual herbicides and antidotal effective of TNA were tested by means of using bioassay methods combined in greenhouse and field test.

利用生物化学的方法研究谷胱甘肽转移酶、乙酰乳酸合酶、苯丙氨酸解氨酶和超氧化物歧化酶在除草剂作用下的反应和作保灵对相关酶、GSH，脯氨酸和多酚含量调控作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。