查询词典 Picea
- 与 Picea 相关的网络例句 [注：此内容来源于网络，仅供参考]
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We thought that the studyresults could provide the theoretical basis for conservation of Picea mongolicaforest and construction of Three-North Protection Forest System.
本文的研究将为沙地云杉林的保护、扩大造林面积及&三北&防护林体系建设提供理论依据。
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The process parameters of the separation and purification of shikimic acid from Picea meyeri with ion exchange resin were established.
建立了离子交换树脂分离纯化白扦中莽草酸的工艺条件和参数。
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Objective］ The experiment aimed to determine the optimum ISSR-PCR reaction system of Picea crassifolia kom..
［目的］确定适应青海云杉ISSR-PCR反应的最佳反应体系。
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Correlation analysis showed that the growth of Picea schrenkiana was significantly sensitive to climate variations.
利用新疆伊犁地区雪岭云杉的6个树轮宽度年表，通过相关分析的方法，分析不同地形条件下雪岭云杉树轮宽度对于气候要素的响应。
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The result of cluster analysis is similar for main wood nature properties and phenotypic properties in 20 natural populations of Picea asperata.
依据管胞和木材基本密度性状的变异特征，可进行优良纸浆材群体的初步选择和群体聚类分析。
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By the 18 th century, the word "pizza" had developed from the Latin word "picea".
到 18 世纪，拉丁语& picea &已演变成& pizza &一词。
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For a long time, owing to forest fire, pests and ill management, the Picea mongolica forests suffered serious destroying, and almost reached the edge of distinction.
但是长期以来，由于森林火灾的发生、病虫害的蔓延和经营管理不善，致使沙地云杉林遭受严重破坏，甚至达到了绝灭的边缘。
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After analysing the influence on the growth of root and stem of three different nitrogen concentration and PH matrixes,we concluded that the notrogen concentration and pH value and their interaction have influences on the germination of seeds and the growth of Picea aspoerata seedling.
通过分析3种氮浓度及3个不同pH值基质下云杉幼苗根茎生长量的差异，通过实验表明：不同的氮浓度及不同的pH值及二者间的交互作用对云杉幼苗的萌发和幼苗的生长存在一定的影响。
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Gradient distribution of soil n, p, and k along the distance from picea mongolica seedlings root surface .
沙地云杉幼苗根表土体中 n 、 p 、 k 的梯度分布。
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The research demonstrated that the introduction of Picea mongolica from Baiyinaobao to Tongliao city and to Yijinhuoluo county was very successful.
4研究结果表明，沙地云杉苗木从原产地白音敖包向东部的通辽市，以及西部的伊金霍洛旗引种是十分成功的，但是由于时间有限，目前还不能下定论。
- 推荐网络例句
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The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.
本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。
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"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."
&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&
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Beside the introduction, concerning the background and meaning of selected title, several studying prerequisites and assumptions, the contents and structure, the train of thought and method, domestic and international research overview and document reviewing, etc. this text divides three chapters altogether, its main content is as follows: the inevitability of developing commercial nonproprietary mutual funds, the superiority analysis of this fund, and what is and how to manage the latent difficulties operating this fund, etc.
除前言对选题背景与意义、研究的若干前提与假设、研究的思路与方法、国内外研究概况与文献回顾以及论文的基本结构等内容进行阐述外，本文共分三章，其主要研究涉及：商业银行发展自营投资基金的必然性，商业银行自营投资基金的优势及面临的问题的分析、对商业银行发展自营投资基金业务的建议，等等。