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In this paper application of mycorrhizal technology for revegetation of copper mine tailings was proposed and evaluated.
以采自矿区的铜尾矿砂为培养基质,通过一系列模拟生物学试验探讨了丛枝菌根真菌在植物适应尾矿复合逆境和尾矿植被重建中的潜在作用。
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Sargassum fusiforme were collected from the cultivate base of algae in Nanao island, Shantou city, Guangdong province.
本文对采自广东汕头南澳海藻养殖场的羊栖菜Sargassum fusiforme进行了粗多糖提取工艺的优化研究。
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This paper analyzes the diversity and complexity of calls and songs of the white-rumped snow finch recorded from Heimahe, Maduo, Huashixia, and Tuotuohe of the Tibet Plateau using SAS-Lab avian song analysis software. The results revealed that the value of the call rate changes quickly from 0.522 to 0.127 and 0.119, which reveals that there are fewer notes in calls.
本文以 SAS-Lab鸟类声谱分析软件对采自青藏高原黑马河、玛多与花石峡、沱沱河的白腰雪雀不同地方种群的鸣叫与鸣唱的复杂性进行了分析,发现白腰雪雀的鸣叫相对变化率随着采样量的增加由0.522迅速降低到0.127和0.119,表明其鸣叫声组成中音节类型较少。
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The in-situ high-pressure structure of natural staurolite collected from the progressive metamorphic belt in Chonghuer of Altay area in Xinjiang was studied at room temperature using synchrotron radiation energy dispersive X-ray diffraction and diamond anvil cell under the pressure up to 3.9 GPa.
利用原位高压同步辐射能量色散X射线衍射技术,在室温下对采自新疆阿尔泰地区冲乎尔递增变质带的天然十字石进行高压晶体结构测定,测量的压力范围为0.0001~3.9GPa,共11组有效数据。
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In order to study on the fast,simple and efficacious method of forecast the sclerotinia stem rot.
为了探索预测油菜菌核病发生情况的快速、简单、有效的方法;此研究采用检测被核盘菌子囊孢子感染的油菜花瓣数量来预测预报菌核病可能发生严重度程度,实验采用添加了两种不同pH指示剂的改良型Steadman's培养基在室温下培养在油菜花期(3月下旬~4月中旬)每天采自2块试验田的新鲜花瓣,如果花瓣被病原菌子囊孢子感染,接种培养后培养基颜色发生改变,统计被感染的花瓣数;结果表明:除1天在一块田没有检测到被子囊孢子感染的花瓣外,油菜整个花期都有被感染的花瓣出现,但初花期被感染的花瓣较少,而盛花期和终花期被感染的花瓣较多,第一块田被感染的花瓣数在两种培养基上出现的百分率分别为32.0%和40.2%,第二块田分别为27.3%和35.7%。
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This paper describes two new species of mayflies of the genus Ephemerella subgenus Ephemerella from Jilin province, China.
本文描述了采自吉林省抚松县的二种蜉蝣标本,发现它们为小蜉属小蜉亚属二新种。
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Quantitative exploration of population differentiation will benefit the utilization and improvement of wasp breeding; in-depth studies on the capability of avoiding superparasitism, host selection and adaptability of Trichogramma populations collected from different localities and hosts can produce some conclusions significant to Trichogramma application; studies on ovipositional behaviors are important for breeding improvement; co-parasitism is a common behavior among egg-parasitoids, and also an important factor affecting artificial rearing and field release; observations on inter-specific competition are helpful for choosing the most competitive natural enemies. This dissertation treated of the pragmatic aspects of the diagnostic system, i.
赤眼蜂种群分化的定量研究有利于蜂种及其品系的利用和改良;对采自不同地域和不同寄主的赤眼蜂种群的寄主选择、避免过寄生的能力及其适应性等进行深入细致的研究,可以得到一些对赤眼蜂应用有意义的结论;研究赤眼蜂的产卵行为对改进其繁殖和利用具有重要意义;共寄生是卵寄生蜂的一种常见现象,也是影响赤眼蜂人工繁殖和田间应用的重要因素;赤眼蜂种间竞争行为研究可以遴选竞争力最强的天敌。
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Auraria from $ areas in China and some from Japan, it was.found that in all of the species, the homologous chromosomes were in various degree of synapsis,while the nonhomologes were distributed at random in the nucleus.
对采自北京、上海等7个地区及来自日本的金色果蝇I Drosophila auraria)和金色果蝇III的三龄幼虫的脑神经节进行核型分析。
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The observation and comparison on morphology of the powdery mildew being collected on tree of heaven from Gansu, Beijing and Chengdu have been made. The result showed that the pathogen on leafs collected from three locations mentioned above was identified as Phyllactinia ailanthi.
对采自甘肃、北京和成都的臭椿白粉病标样进行了病原菌形态观察比较,结果显示,三个地区采集的标样为同一病原,均为子囊菌亚门、球针壳属真菌―臭椿球针壳。
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The photosynthetic responses to light and temperature were examined in Ulva lactuca collected along the Shantou coast of China, to establish the photosynthetic characteristics in relation with tidal cycles for this common intertidal green macroalga.
对采自汕头沿岸的石莼在水生和气生不同状态下光合作用对光照和温度的响应特性进行了测定,以探讨这种常见的潮间带绿藻在潮汐循环背景下的光合特性。
- 推荐网络例句
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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。
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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。
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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