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From the maps above, we find that the study area characterizes low average slope and low relief with a step shape.

分析表明青藏高原东北端主要表现为呈台阶式低坡度、低起伏的地形特征。

The present paper, from the point of view of the relationship between substructure and quotient structure, mainly characterizes structures of abelian and nilpotent table algebras and gains some meaningful results.

本论文从表代数的子结构和商结构的关系出发，对abel表代数和幂零表代数的结构进行了深入的探讨，并且得到一些有意义的结果。

Nanomaterials have many new characterizes which different from the normal materials for their small size, big surface area ratio and quanta dimension domino effect, for examples, the metal with good conductor will be turned into nonmetal when the size is reduced tonanometer levels; the resistance of originally nonconductor will be descended greatly when its size is reduced several nanometers or so, and loss the nonconductor property; the general solid is steady under certain conditions, while under nanometer conditions, the capabilities will be effected greatly by the granule sizes, the newness characteristics made nanomaterials have great appliance foreground on catalyze, optics, and industry produce and so on, therefore the nanomaterials have been the hotspot for materials science, chemistry science and so on.

纳米材料由于尺寸小、比表面积大和量子尺寸效应使它具有不同于常规固体材料的新的特征，如原来是良导体的金属，当尺寸减小到纳米量级时就变成非金属型；原来是绝缘体的物质，当尺寸减小到几纳米或几十纳米时电阻大大下降，失去了绝缘体特性；常规固体在一定条件下物理性能是稳定的，在纳米状态下，颗粒尺寸对性能产生强烈的影响等等，这些新奇的特点使得纳米材料在催化、光学、工业生产等各个方面都有着广阔的应用前景，因此，纳米材料目前已经成为材料科学、物理学及化学等学科的前沿热点。1990年7月在美国巴尔基摩召开了国际第一届纳米科学技术会议，正式把纳米材料科学作为材料科学的一个新的分支公布于世。

It explores the synthetic methods and characterizes the structure and properties of some nonpoisonous and high efficiency new organic chromium .

论文探索了新型、高效、无毒有机铬的制备。

The protein is a key cause of the over-production of the white blood cells that characterizes this form of CML.

这种蛋白质是白细胞异常增生的主要原因，而白细胞异常增生是慢性粒细胞白血病的一种表现。

Overelaboration characterizes so much of presentday writing.

过分推敲为许多当代作品的特徵。

Overelaboration characterizes so much of presentday writing,.

过分推敲为许多当代作品的特征。

According to the contrast analysis of floor panel irradiance heating and radiator heating , this paper states the characterizes and feasibility of floor panel irradiance heating.

本文通过对地板辐射采暖与散热器采暖的对比分析，阐明了地板辐射来暖的可行性。

The variance of ABA of grape during storage were discussed in this paper.The following results are been drawn:the change of the content of ABA of grapes during storage characterizes by a parabolic shaped curve with obvious peak.Low temperature (0±0.5℃) is conducive to delaying the appearance of the peak of ABA and reduces the peak value.Nine kinds of plant growth regulators and two kinds of chemicals were chosen to treat grape bunches so as to study their mechanisms on ABA of grapes,2,3,5 triiodobenzoic a...

试验研究了葡萄贮期脱落酸的变化，结果表明：葡萄贮期 ABA含量呈抛物线形变化，有明显的高峰出现，低温( 0± 0 。5℃)贮藏具有推迟 ABA峰期和降低峰值的作用，经用 9种植物生长调节剂和 2种化学药品对葡萄果穗处理试验，三碘苯甲酸对 ABA的形成有极强的抑制作用，吲哚- 3-乙酸、赤霉素( GA3)、萘乙酸和 6-苄基氨基嘌呤( 6- BA)对 ABA的形成也具有拮抗作用，矮壮素、比久( B9)、乙烯利和外源脱落酸对 ABA的形成有促进作用。

What characterizes a peregrine falcon is its pure ability to hunt at high speed in open airspace.

游隼的主要特征是它在开放大气空间内高速捕猎的能力。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。