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Herbivory in the tilapia Oreochromis niloticus : a comparison of feeding rates on phytoplankton and periphyton.

阮景荣。三种鱼的磷排泄及其在微型生态系统磷再循环中的作用。

WU Dao-jun (Guiyang Municipal Party School of Chinese Communist Party, China): The Relationship Study between Folk Cultures and Ecological Environment: Based on the Vision of Ethnology both Folk House and Dress of Miao Nationality and Buyi Nationality

吴道军 (中共贵阳市委党校,中国):民俗文化与生态环境关系探析——基于贵阳市苗族布依族民居与服饰的一种民族学视域

This research provides one scientific and effective method to solve the complex problem how to evaluate index system of forest ecological harvesting.

本研究为解决森林生态采伐系统评价这一复杂问题提供了一种科学、有效的评价方法和工具。

Despite the difference of inoculums, however, the bacterial community structures in the two systems were quite similar.

PCR- DGGE作为一种指纹分析技术,具有可重复、快速和操作简便等特点,近年来在分子微生态研究方面得到了广泛的应用 [1~ 9] 。

Through analyzing management regulation results, it put forward the optimal species composition of spruce-fir mixed stands, and then research problem about the optimal stand structure and the maximum stand volume increment. At the same time, compared to dahurian Lanch pure plantation on economical value and ecological value.

通过对经营结果的分析,提出云冷杉针阔混交林的最优树种组成——针阔混交比为7:3,还对针阔混交林的最优林分蓄积和最大蓄积生长量等问题进行了研究,并从经济效益和生态效益2方面与人工落叶松林进行了对比。

Nevertheless, many tiny land snail species were tended to distribute in mid-elevation areas in I-Lan County, instead of lower-elevation foothills and plains.

两种模式之预测结果、选择之重要环境因子与模式准确率都存有差异,逻辑回归之整体预测准确率虽然良好,但是敏感性却稍偏低;而生态栖位因子分析之准确率普遍较低。

Yunnan Province, Feng Qingxian existing Dasi Township million mu of ecological demonstration base of tea, the main products; cloud on the 10th green tea anti -, The water on the 3rd green tea, Yunnan large-leaved species such as famous green tea.

现有云南省凤庆县大寺乡万亩生态茶示范基地,主要产品有;云抗十号绿茶,清水三号绿茶,云南大叶种等名优绿茶。

The concentration of the pollution in garbage leachates is high, the virulence is great and the component is complex , which harms the biological environment and people' s health very seriously.

垃圾渗滤液污染物浓度高、毒性大、成分复杂,对生态环境和人体健康危害十分严重,是一种典型的高污染、难处理高浓度有机废水。

Liquified Petroleum Gas is a sensible alternative to normal petrol fuel, both economically and ecologically, and after corresponding conversioncan be burned in almost any petrol engine.

液化石油气是一种明智的办法以正常的汽油,燃油,无论从经济上和生态上,并经过相应的conversioncan被烧死在几乎任何汽油发动机。

Daya Bay was shown to be ecologically disturbed and the stability of macrobenthic community was weak. Specifically, the inner bay and main area of the central bay was strongly disturbed and was dominated by Group Ⅰ community that was characterized as simple low stability and dominated by molluscs. Dominant species were Veremolpa micra and Timoclea scabra.

大亚湾海域生态环境受到明显的扰动,处于扰动状态中的大型底栖动物群落稳定性较差;湾顶和湾中大部分海域内的群落Ⅰ,为大亚湾的主体群落,以软体动物为主,种类组成单一、季节变化小,以小鳞帘蛤Veremolpa micra和粗帝汶蛤Timoclea scabra为特征种。

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推荐网络例句

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