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Six kinds of minerals, such as pyrites, arsenopyrite, sphalerite, galena and cassiterite from various metallogenic stages, ore blocks and ore type s were analyzed by EMPA.

文章总结和划分了矿床的矿石类型、矿化阶段及其在空间上的分布;对不同阶段、不同地段和不同类型的黄铁矿类、毒砂、黄铜矿、闪锌矿、方铅矿和锡石等 6种主要矿石矿物进行了电子探针微区分析。

The real-time quantitative PCR results showed that the expression level of two genes did not be affected by HHO obviously, whereas, the expression level of CHS gene had down regulation of different degree, except in 1.0 mM of HHO's concentration. It meaned that CHS gene is probably related with the metabolism of allelochemical.4. The Chalcone synthase gene (EaCHS1) of E.

荧光定量PCR的结果表明,萜类代谢途径中的两个关键酶基因的表达水平,没有因为羟基泽兰酮的诱导而表现出显著的差异;CHS基因的表达水平,除了在羟基泽兰酮处理浓度为1.0 mM时的差异不显著之外,在其他处理浓度均有不同程度的下调,说明该基因与化感物质的代谢途径相关。4。

Close combination of the function positioning of Gantang town, with the theme of "The nostalgia of nine-bend Poxi River, the healthy and colorful life in Shili", and the orientation of ecology, leisure and service, the Poxi sightseeing scenic belt in Shili will be constructed into the domestic most characterful well-known phantom art and folk architecture art center with the aim of building the most excellent folk and health-body leisure service base, and making it the characteristic element and integral part of the strategy of constructing Gantang town to the comprehensive tourism service zone of 'Huangshan Mount, Jiuhua Mount and Qiandao Lake'.

紧密结合甘棠镇功能定位,以&九曲婆溪乡情,十里康艺人生&为主题,以生态化、休闲类、服务型为导向,把十里山婆溪河旅游风光带建设成国内最具特色的知名影像艺术及民俗建筑艺术中心,打造其为黄山最优秀的民俗、康体休闲服务基地,使之成为甘棠镇建设&两山一湖&综合旅游服务区战略的特色元素及重要组成部分。

The synthesis of the intermediate amidetriazinone was a crucial step in the synthesis of triazinone. Ethyl acetate was used as the initial material then was carried out for five steps hydrazine hydrate, triphosgene, chloroacetone, hydrazine hydrate respectively with the yield of 59.8%.

三嗪酮类化合物的合成关键是中间体氨基三嗪酮,本文以乙酸乙酯为起始原料,经过酯的肼解、成环反应、胺的烷基化、酮和肼的缩合、酰胺的水解五步反应合成中间体氨基三嗪酮,其收率达59.8%。

In order to find biologically active urea compounds,seven new N-[5-(3-pyridyl)-1,3,4-thiadiazol-2-yl]-N'- urea derivatives were synthesized by the reaction of 2-amino-5-(3-pyridyl)-1,3,4-thiadiazole with aroylazides,which were prepared starting from carboxylic acids,ethyl chloroformate and sodium azide by one-pot procedure.

为了寻找高生物活性的脲类化合物,通过2-氨基-5-(3-吡啶基)-1,3,4-噻二唑与酰基叠氮化物反应,设计合成了7个新的N-[5-(3-吡啶基)-1,3,4-噻二唑-2-基]-N'-取代苯基脲,其中芳酰基叠氮化物是以芳酸、氯甲酸乙酯、叠氮化钠为起始原料采用&一锅法&所制得。

So, subject matter of the Three Kingdoms kind webpage game can say is to arrive more flush, and coessential change an appearance serious.

所以,三国题材类的网页游戏可以说是多到泛滥,而且同质化现象严重。

Reduction of ovule number as a tendency of speciation in the genus is substantiated by the occurrence of tri_ovulate cones coupled with comprehensive characters of the genus. The metamorphic patterns as well as the leaf nature of the outer envelope indicate that female cones of Ephedra are compound while the female reproductive units of the ovulate cone have been reduced from secondary reproductive shoots similar to those of cordaites by phylogenetic transformation, fusion and reduction. Each fertile bract together with its axillary female reproductive unit composed the Bract Scale and Seed Scale Complex of Ephedra .

基于返祖性畸形三胚珠球花的出现及其他形态特征,认为麻黄属胚珠数目减少是该属内物种特化的一个趋势;利用雌球花发育的畸形现象及外珠被的形态学本质提出麻黄属的雌球果为复轴性构造,雌性生殖单位是由类似于科达类的次级生殖枝构造经系统发育变态、融合、简化成现存的生胚珠构造式样,每一可育苞片及其腋内雌性生殖单位共同组成了麻黄属的苞鳞_种鳞复合体。

Starting with two reactive methylene compounds, ethyl cyanoacetate and malononitrile, two 5-amino-1H-pyrazoles were prepared through the intermediates ketene dithioacetal.

从两个活泼亚甲基化合物开始,经过乙烯酮二硫代缩醛中间体,合成了两个5-氨基-1H-吡唑,以这个两个化合物为中间体,与芳香族和脂肪族α-溴代酮反应,而后经酸催化亚胺化互变异构后得到含咪唑并[1,2-b]吡唑甲硫醚类化合物6a-6g。

The latest results about research on dye-sensitized solar cells are reviewed.So far,most of the organic dyes applied in DSSCs belong to typical D-π-A structures with both electron donorand electron acceptorlinked by aπ-conjugation bridge.According to this structure,the novel conjugated organic dyes that have N,N-dimethylanilinemoieties as the electron donor and a cyanoacetic acidmoiety as the electron acceptor were synthesized for DSSCs.

在第四章中首先概述了染料敏化太阳能电池的最新研究进展,并对其的结构和工作基本原理进行介绍,目前,有机染料分子大部分都是D-π-A结构,我们按照这样的结构设计和合成出六种新型米氏酮-氰基类有机染料分子,该类染料是由米氏酮衍生而来的,合成步骤短,工艺简单。

However, no method of assessing roundness and cylindricity, which not only meets the definitions of the national standards but also are the rapid and concision properties possessed, has been found.

本文着眼于数字分度头的虚拟仪器化设计,以及轴类零件的形状误差测量,结合对传统数字分度头的改造项目,提出了一种虚拟光栅数显系统的原理。

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推荐网络例句

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢?

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我,一个心中布满虚荣的女孩子真实的想法。

Oh, and I bought myself a new laptop," he said."

哦,我还给我自己买了一个新笔记本"他说。"