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北京石油化工學(xué)院2026年研究生招生接收調(diào)劑公告

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siweimanbu

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4樓: Originally posted by gxytju2008 at 2014-05-04 15:57:08
嫌麻煩啊。。話說我現(xiàn)在手里的paper都懶得寫額

寫出來就好了，其實修改的時間比創(chuàng)作的時間長多了！

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不一樣的煙火！

11樓2014-05-05 10:14:30

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liusir3836

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2樓: Originally posted by siweimanbu at 2014-05-04 22:43:44
為什么沒人搭理我呢，金幣不少呀！

樓主你好！建議去論文翻譯專版求助！

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態(tài)度確定行為

12樓2014-05-08 23:29:16

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tianzhihen

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童鞋，本科的畢業(yè)論文還用來求助嗎？谷歌有道翻譯一下，改改句子得了，反正你都是應(yīng)付的

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Leevi

13樓2014-05-12 11:34:50

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煉獄之火

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逆水行舟，不進則退

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本人的翻譯，修改了兩次，應(yīng)該沒有太大問題，本人英語水平尚佳，希望可以幫到你，謝謝
Sunflower varietal purity of SSR analysis
abstract
» 英語
Has long been a large number of promotion new sunflower hybrids and varieties identification is an indispensable key step in production. Varietal purity identification is the traditional way of field planting, by observing the morphological characteristics to distinguish between different varieties. Breeding technology progress in recent years, gradually converge, the morphological characteristics of the different varieties of through the difficulty of the morphological characteristics of different varieties more and more big. SSR (Simple Sequence Repeats) marker is developed in recent years, DNA molecular markers, SSR's biggest advantage is that the amplification product after polyacrylamide gel electrophoresis separation, can be observed on the electrophoresis gel block to the length of a single base differences. So the amplification of SSR fragments of high polymorphism, can get a lot of genetic information from the result of the experiment, and has good stability and reproducibility. Thus SSR markers is a kind of ideal detection sunflower varietal purity of molecular markers. This study from sunflower total DNA extraction, PCR amplification, electrophoresis detecting aspects such as research, with new kwai 19 as materials, the screening of molecular markers for 40 SSR primers and repetition, obtained able to distinguish between male parent, female parent and hybrid SSR primers mark 399. And finally established a set of applicable Yu Xinkui 19 varieties purity identification technology system.

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安之若素，甘之如飴

14樓2014-05-12 17:10:47

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冷的榮耀

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Variety identification has been a key step in the production as the widely promotion of new hybrid sunflowers. Traditional method of purity appraisal refers to field planting and telling apart different varieties by morphological characteristics . In recent years, breeding technology continues to develop, and morphological characteristics of different assortments gradually converges,in this case, it becomes more difficult to distinguish them by the morphological characteristics. SSR (Simple Sequence Repeats) is a DNA molecular markers developed in recent years, and the most obvious advantage is that differences in the length of single bases can be observed in the gel block while the amplified product is separated by electrophoresis of polyacrylamide gel. The amplification of the SSR fragment shows high polymorphism, in that a lot of genetic information can be obtained from the experimental results, and the stability and reproducibility proves to be quite good. Therefore, SSR is an ideal marker for detecting the purity of sunflowers. In this study, we examined all DNA extracted from the sunflower, PCR amplification, electrophoresis and other aspects, and then filtered and repeated 40 pairs of SSR molecular markers using new Kwai 19 as the material. At last, we obtained the SSR 399 primer which can tell male parent, female parent and hybrid species apart . Finally, we established a technological system applicable for the identification of varieties by new Kwai 19. 你看看行不行，我稍微改了一下

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15樓2014-05-13 20:11:24

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椰蓉麥麥

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下載費勁，我給你推薦一個軟件，靈格斯，自己翻譯一下，非常好用

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人生最悲哀的事，不是失敗了，是差一點點成功

16樓2014-05-20 10:50:08

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xylt

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17樓2014-05-20 19:16:36

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佰斯特

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建議去論文翻譯專版求助！

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18樓2014-05-21 12:20:47

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