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Ecology Of, relating to, or being the zoogeographic region that includes Australia and the islands adjacent to it, including New Guinea, New Zealand, Polynesia, and Tasmania.

生物地理澳洲区的:属于、关于或有着澳洲生物地理区域的,包括澳洲大陆及新几内亚、新西兰、波利尼西亚和塔斯马尼亚在内的邻近岛屿

Biological Aerated Filter is a recently developed process which is used for the advanced wastewater treatment.

曝气生物滤池是在普通生物滤池的基础上,借鉴给水滤池工艺开发的污水处理新工艺。

Most of water-soluble cyanine dyes have -SO3H and –COOH in their molecules, which will influence the biomolecules' functional characters. A new kind of water-soluble cyanine dyes with several cations in molecules were designed and synthesized, preparation conditions of intermediate and dyes were researched and optimized, the yield of dye is 25%. The novel kind of cyanine dye are water-soluble , spectrum characters was researched , all the dyes were charactered by 1H NMR and TOF-MS, spectrum in different solvent of novel dyes were focused on, one of the kind dyes show higher fluorescence quantum yield than the result reported. Because of several cations in the structure, it is promising when used in DNA assay and other bio-assay field.

大多数水溶性的菁类荧光染料分子结构中都带有-SO3H和-COOH等基团,过多的阴离子的引入容易造成对生物分子的功能属性的影响,本论文设计并合成了分子结构中带有多个正电荷的水溶性的一类新型菁染料,考察并且研究了中间体和染料的合成条件,最终的目标产物产率达到25%,染料通过了质谱和核磁的表征,新型的染料具有良好的水溶性,研究了新染料在多种溶剂的的光谱性质,其中一种染料的在水中的荧光量子产率比文献报道得到了提高,由于富集了正电荷,这类菁染料在DNA标记等生物中有一定应用前景。

At the same time, some contain egg protein avidin and biotin in the yolk part of the combination produces a can not be absorbed by the body to use the new material.

同时,一些包含在组合鸡蛋蛋黄部分抗生物素蛋白和生物素蛋白的产生不能被人体吸收利用的新材料。

He suggested the following figures should be multiplied: how many stars are formed in the galaxy in a year; what fraction of these have planets and thus form solar systems; the average number of planets per solar system that have the potential to support life; on what percentage of those where it is possible do such biospheres actually form; what percentage of such biospheres give rise to intelligent species; what percentage of intelligent life is able to transmit signals into space; and for how long could such intelligence keeps sending signals.

他的方法包括一系列应该纳入考虑范围的数据:银河系每年新诞生的恒星数;拥有行星并组成了星系的恒星比率;有可能会出现生命迹象的行星平均数;以上行星能够真正孕育生命的比率;演化出了智能物种的比率;能使用无线电通讯与外太空联系的智能生物比率;智能生物使用无线电通讯方式的持续时间。更多信息请访问: http://www.24en.com

He suggested the following figures should be multiplied: how many stars are formed in the galaxy in a year; what fraction of these have planets and thus form solar systems; the average number of planets per solar system that have the potential to support life; on what percentage of those where it is possible do such biospheres actually form; what percentage of such biospheres give rise to intelligent species; what percentage of intelligent life is able to transmit signals into space; and for how long could such intelligence keeps sending signals.

他的方法包括一系列应该纳入考虑范围的数据:银河系每年新诞生的恒星数;拥有行星并组成了星系的恒星比率;有可能会出现生命迹象的行星平均数;以上行星能够真正孕育生命的比率;演化出了智能物种的比率;能使用无线电通讯与外太空联系的智能生物比率;智能生物使用无线电通讯方式的持续时间。

However, recent reports suggest that the dual coding phenomenon does also occur in eukaryote.

新近报道,在真核生物中也存在双重编码现象,对于认识真核生物基因表达调控的机制提供了新的信息。

On the one hand, the tree of life project is helpful to select new model org...

一方面,生命之树计划有助于确定新的模式生物和开展相应的基因组计划:另一方面,模式生物的基因组计划有助于阐明它们之间的进化关系和基因组的进化模式。

Darwin discussed about some anomalous forms in fresh water basins, which belong to the remnants of some interesting orders. Because these anomalous forms exhibit the anomaly of geographical distribution e.g. Ganoid fishes, or morphological anomaly such as Ornithorhynchus and Lepidosiren , they may be called living fossils. It is believed that Darwin presented the facts of the above anomalous forms, and used the term "living fossil" in order to further illustrate the subject of "Circumstances Favorable for the Production of New Forms Through Natural Selection" in Chapter IV. The term "living fossil" appears on page 486 again in the last Chapter, i.e. Chapter XIV "Recapitulation and Conclusion", where Darwin emphasized the significance of so-called "living fossils".

第一次在该书第四章&自然选择&(第107页):为了在该章深刻阐述&通过自然选择产生生物新类型的有利条件&这一主题,达尔文谈到了淡水流域中残存着地理分布或形态上很异常的一些生物,如:硬鳞鱼、鸭嘴兽和美洲肺鱼,可以称之为&活化石&;第二次是在该书最后一章&复述与结论&(第486页),达尔文对&活化石&的作用进行了小结。

In order to open new ideas about the study of biokarst, the prospects of the study of biokarst microforms are discussed and forecasted.

并讨论和展望了生物岩溶微形态研究的前景,开拓生物岩溶研究新思路。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力