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Common buckwheat ( F. esculentum ) is an allogamy crop, which is heterogony. There is heterogeneity in the species. To reveal the genetic diversity within cultivar population, In order to explore the sampling strategy that can reveal genetic diversity of buckwheat resources on the molecular level. PCR with intron-splice junction primers and long random primers was employed to reveal the genetic diversity within nine common buckwheat varieties and one tartary buckwheat cultivar population among different individuals. We established the sampling strategy in its genetic diversity study. Then we used the established sampling strategy, and the same PCR markers technique,to analysis the genetic diversity of 86 common buckwheat resources, the main results are as follows

甜荞是花柱异长自交不亲和的异花授粉作物，品种内存在一定的异质性，为了准确揭示甜荞遗传资源的遗传多样性，本研究采用因子分析法对86份甜荞遗传资源农艺性状数据进行分析；采用长随机引物和内含子切接点引物的PCR分子标记技术，对9个甜荞品种和1个苦荞品种不同个体间的遗传多样性进行了分析，建立了甜荞资源遗传多样性研究的取样策略；并利用建立的取样策略，采用PCR标记技术，对这86份甜荞资源的遗传多样性进行了分析，取得如下主要结果

Its Molecular Formula for ozone, oxygen is the same allotrope, with its own unique character, in natural conditions, the ozone is slightly special light blue fresh smell of gas.

其分子式为 O3，是氧气的同素异形体，具有它自身的独特性质，在自然条件下，臭氧是略带有特殊新鲜气味的淡蓝色气体。

Allyl alcohol was used for preparation methacrylate photosensitive polymer with allyl in side chain.The structure of product was confirmed by FTIR and 1HNMR spectroscopy,and the molecular weight of the terpolym...

用FT-IR和1HNMR图谱确认了结构，用凝胶色谱测定其相对分子质量，并从引发剂浓度、聚合温度、单体配比等方面进行讨论，同时对其光刻性能进行了研究。

It revealed that the gaseous oxygen was related to the deep oxidation of hydrocarbon, since the breakage of C-C bond in allylic intermediate didn＇t exist during the process of reaction. This is due to the weak ability of lattice oxygen to attack hydrocarbon molecular.

实验结果指出，烃类的深度氧化反应与气相氧的存在有关，晶格氧对烃分子中碳碳键的攻击较弱，反应中烯丙基中间体几乎不发生碳碳键的断裂。

Based on the Amsterdan Dense Function by Computer Molecular Simulation, the theoretical investigations of reactions between CpTiCl〓 and AlMe〓, or different cocatalytic site models of MAO allowed us to reach some significant insights into the mechanisms involved in the formation of active species responsible for ethylene polymerization.

本文采用分子模拟技术，以阿姆斯特丹密度泛函理论为基础，首次对CpTiCl〓和A1Me〓或MAO中不同助催化点的模型进行量化计算，研究了半茂体系催化乙烯聚合过程中涉及活性中心形成的反应机理。

Of 21st Century Aloe Vera has molecular weights from 1,000,000 to 2,500,000 Daltons.

芦荟10%21世纪已经从分子量为1，000，0002，500，00078，000。

The study aimed to identify Alternaria Nees from some areas of China at molecular level by analyzing the rDNA ITS sequence.

［目的］对我国部分区域链格孢属rDNA ITS序列进行分析，从而在分子水平上对其进行鉴定。

In this article,the type of Alternaria separated from pear of Hebei and Xinjiang of China,and USA,Japan and Chile was studied on sporulation patterns,conidia characteristics and molecular biology.

本文从链格孢的产孢表型、分生孢子特征和分子生物学方面研究了从河北鸭梨、新疆库尔勒香梨、美国和日本以及智利的梨上分离的链格孢菌的种类。

The structure of MCM-41 material is different from that of ordinary microporous zeolite molecular sieve, so is that of amorphous aluminosilicate.

发现在不同反应体系里，不同合成条件下，中孔MCM-41分子筛的形成机理不完全相同。

The synthesis of pure siliceous and aluminosilicate and various hetero-atoms substituted MCM-48 cubic mesoporous molecular sieves has been studied systematically.

系统考察了全硅和硅铝及各种杂原子取代的MCM-48立方相中孔分子筛的合成。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。