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In the majority of cases, multiple clones from individuals resolved as monophyletic, which suggests that different copies of ITS not completely synchronized evolution, the same species of plant palm plants ITS sequences, sometimes far greater than differences between species of palm plants, However, the high levels of homoplasy in the ITS dataset, led to concerns that topologies obtained from these data might be unreliable; 2 Determination of the original 11 categories of Chinese palm plants matK sequences, and comparison with other 8 Chinese palm matK sequence from the NCBI GenBank database.

结果表明:部分棕榈科植物ITS序列种内差异较大,提示其不同ITS拷贝间没有完全实现同步进化,同种棕榈科植物植物ITS序列差异,有时候大于非同种棕榈植物间差异,这种情况下,由ITS序列构建的棕榈科植物系统树可能是不可信的; 2测定了11种中国原生棕榈科植物matK序列,并通过NCBI网站对GenBank数据库检索得到了其它8种中国原生棕榈科植物matK序列。

For forest, grassland and river ecosystems, phreatophyte should be applied to, promoting the primary succession of the ecosystem. For farm and urban ecosystems, the main crops and pollution-resisting ornamental plants should be selected for the purpose of agricultural production, landscapes construction and bioremediation so as to control the speed and direction of secondary succession of these ecosystems.

对于森林、草地、江河等自然生态系统,植被选择应以原生种类为主,以促进生态系统进行原生演替;而农田、城市绿地生态系统,植被恢复应以生产生活、景观营造、生物修复为目的,宜选择当地主要优势农作物、观赏性好、抗污染的植物,以控制生态系统次生演替的方向和速度。

Protist contamination occurred more frequently in the cell cultures using natural seawater media, and the addition of suitable antibiotics may inhibit the protist growth to certain extent.

原生生物的污染最容易出现在天然海水的培养中,使用抗生素会对原生生物生长产生一定的抑制。

Centrarch Denoting a protostsele in which protoxylem is at the center of the axis.

心始式:一种原生中柱的类型,在心始式中柱中,原生木质部位于轴的中央。

It can be inferred that these dikes are the products of primary or near-primary magmas.

推测这些脉岩是原生或近原生岩浆固结的产物。

In greywacke, the content of clay mineral often higher than 15%, clay mineral come from former clay mineral in sediments and their transformation. Clay minerals show plasticity. Clay mineral can damage the pore content of reservoir through distorting and filling into pore easily. These reservoir show low pore content and low permeability.

杂砂岩中的粘土矿物主要是沉积原生粘土矿物和原生粘土矿物转化形成的新生粘土矿物,粘土矿物在储集层中主要表现为可塑性,容易压实变形并充填到孔隙当中损害储集层物性,储集层物性主要表现为低孔低渗。

The existence of favorable primary pores and vugs is one of the conditions for karstification.

源控论对其具有一定的局限性,可以按油气藏与源岩的关系分为原生、准原生和次生3类。

It publishes articles dealing with protists, unicellular organisms either free-living in various habitats or parasitic. The topics include structure and systematics of protists, their development, ecology, molecular biology and physiology.

该杂志主要发表有关原生生物以及在各种环境自由生活和寄生的单细胞生物的文章,其研究领域涵盖原生生物结构、系统学、发育、生态学、分子生物学以及生理学等。

The syntax for raw strings is exactly the same as for normal strings with the exception of the raw string operator, the letter "r," which precedes the quotation marks. The "r" can be lowercase or uppercase and must be placed immediately preceding the first quote mark.

原生字符串跟普通字符串有着几乎完全相同的语法,除了原生字符串符号,在左边加一个'r',这个'r'可以是小写也可以是大写,唯一的要求是必须紧靠第一个引号写。

By mitochondrial DNA control region sequencing the relationship of haplotype phylogenies can be reconstructed to distinguish the Taiwan ring-necked pheasant and imported ring-necked pheasant. Additionally, the sequencing can be used to analyze genetic diversity and genetic structure. The results are expected to provide the reference base for identifying and conserving Taiwan ring-necked pheasant.

本论文研究结论建议,未来进行原生环颈雉族群保育或人工复育计画时,可利用外部形质测量分析、粒线体DNA基因型与遗传多样性分析,做为环颈雉各原生或外来族群的个体辨识工具,并提供拟订族群保育及复育经营措施之参考依据。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。