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The minimum inhibitory concentrations of 1.5% Kathan for Fusarium oxysporum f.sp. vasinfectum, F. moniliforme, Trichothecium roseum, Verticillium dahliae, and Phytophthora boehmeriae were 40, 40, 20, 20, and 2 mg/L, respectively, while EC50s were 9.20, 0.785, 0.695, 2.84, and 0.346 mg/L, respectively. MIC of 1.5% Kathan for Xanthomonas oryzae Dowson, Erwinia carotovora PV. carotovora were 1 and 10 mg/L, respectively. These results suggest that Kathan has good inhibitory activity against the 7 pathogens tested, especially against P. boehmeriae and X.

结果表明,1.5%卡松对棉花枯萎病菌的MIC和EC50分别为40mg/L和9.2034mg/L,对棉花红腐病菌的MIC和EC50分别为40mg/L和0.7845mg/L,对棉花红粉病菌的MIC和EC50分别为20mg/L和0.6951mg/L,对棉花黄萎病菌的MIC和EC50分别为20mg/L和2.8383mg/L,对棉花疫病菌的MIC和EC50分别为2mg/L和0.3459mg/L;对水稻白叶枯病菌和大白菜软腐病菌的MIC分别为1mg/L和10mg/L;说明该药剂对供试7种植物病原菌均具有良好的抑制活性,尤以对棉花疫病菌和水稻白叶枯病菌的抑制活性较强。

Based on the previous literatures, the following major innovation works were carried out in this dissertation:(1) The derivatization reaction conditions of ephedrine and pseudoephedrine with sensitive derivation reagent in aqueous system were studied and two new methods were developed for the assay of them by microemulsion electrokinetic chromatography and micellar electrokinetic chromatography with LIF detection. The sensitivity and analysis times were greatly improved compared with the previous reports;(2) A new method of CZE with indirect LIF detection was developed for the simultaneous determination of six coumarin compounds (esculin, esculetin, isofraxidin, genistein, naringin and sophoricoside) with fluorescein as the probe. The proposed method enlarges the application range of LIF detector, and provides new approach for the analysis of certain compounds difficult to derivatize;(3) Based on the above research, an MEKC with indirect LIF detection method for the simultaneous determination of adenine and guanine in DNA extracts from fungus, maize and soybean was established;(4) A new method for the investigation of the complexes formed between human serum albumin and ampicillin sodium under the simulated physiology conditions using laser light scattering technique was developed.

该论文在综述前人工作的基础上,开展了如下未见文献报道的创新性的研究工作:(1)使用灵敏的衍生试剂对麻黄碱和伪麻黄碱在水体系中的衍生反应条件进行了系统研究,建立了微乳电动色谱-激光诱导荧光检测法和胶束电动色谱—激光诱导荧光检测法测定麻黄碱和伪麻黄碱的灵敏分析新方法,与以前的报道相比,灵敏度和分析时间均有很大改善;(2)使用荧光素钠作为背景荧光试剂,建立了同时分析测定六种黄酮类化合物(秦皮甲素、秦皮乙素、异秦皮定、染料木素、柚皮苷和槐角苷)的毛细管区带电泳—间接激光诱导荧光检测新方法,扩大了激光诱导荧光检测的应用范围,对难衍生化合物的分离分析提供了一种新思路和新途径;(3)以荧光素钠作为背景荧光试剂,建立了一种用于同时测定食品提取DNA中的腺嘌呤和鸟嘌呤含量的胶束电动色谱—间接激光诱导荧光检测新方法;(4)用动态和静态激光散射法研究了模拟生理条件下人血清白蛋白与氨比西林钠盐相互作用所形成的复合物,为药物分子与蛋白质的相互作用、药代动力学等的研究提供了一种新思路。

In order to provide an scientific basis and technology support to local agricultural by–products export quarantine, an investigation was carried out on the species of stored insects of export agricultural by–products from 2003 to 2005 in the region. The quarantine significance of different stored insects and the insect community structure characteristics of five stored export products were analyzed, besides, a study was conducted on the ecology of Dermestes maculatus Degeer in the laboratory. The main results were as follows. 1. The ordinary and systematic measures were used to investigate stored insect species on export products, such as Willow, Brush, Feather, Leather, Woodwork, grain, coconut funicle, lotus leaf etc., in the finished product, transferring, material reserve and processing storages of the export industries.

为了给该地区农副产品的出口检疫提供科学依据和技术支持,笔者于2003-2005年对江苏沿江地区各类出口农副产品检疫场所的仓储昆虫种类进行了调查,分析了各种仓储昆虫的检疫重要性以及5类出口农副产品仓储昆虫的群落特征,并对重要仓储害虫白腹皮蠹的生态学特性进行了研究,现将结果总结如下: 1、2003-2005年通过对江苏沿江地区的草柳藤制品、笔刷制品、羽绒制品、皮革制品、木制品、粮饲库存点、椰壳纤维、荷叶加工厂等出口企业的成品储藏库、中转库、原料储备库、加工车间等检疫场所的昆虫种类进行了普查和系统调查,共采集标本1800余件,从中鉴定出130种仓储动物,隶属2纲、9目、51科,其中害虫6目、40科、105种,益虫5目、10科、25种;此外,还发现2中国新记录种,即阔鼻谷象Caulophilus oryzae和黑斑豆象Bruchus dentipes。

First of all, the paper gave a briefing on the development of white LED and the problems need to addressed of RGB LED mixed white lighting; Then established colors distributed computing model of the RGB LED white lighting module; Final designed a number of different geometric structure of the RGB LED light source module, by changing angles (interior angle or the angle Centre) of the geometry and the LED colors with different priorities, programmed by using of Matlab software, simulated the color distribution correspond to such light source models.

首先,本文简要介绍了白光LED的发展现状及RGB LED混合白光需要解决的问题;其次建立了RGB LED的颜色分布计算模型;最后设计了几种不同几何结构排列的RGB LED光源模块,通过改变几何结构中角度、不同颜色LED的排列次序,利用Matlab软件编程,模拟以及仿真得到这些光源模型相应的光源颜色分布,并评价其颜色均匀性,进而得到最佳几何排列结构的RGB LED光源模块。

This "pair" is easy to tell from other warblers by combination of greyish crown, green upperparts, narrow and very white wing bars, rather white supercilium and rather clean white underparts, pink legs, more skulking habits and frequently-given whistled "tsUUI" notes which to my ear sound very like the call of Daurian Redstart.

这两种柳莺可以和其他柳莺很容易区别,透过它们灰色的冠,绿色的体上,很细又很白的翼带,还算白的眉线,还算乾净、白色的体下,粉红色的脚,喜爱躲藏的习性,以及经常听到,且对我来说很像黄尾鸲叫声的「tsUUI」声音等特徵。

Thanks to his home education,the so-called historical misunderstanding in Qu Qiubai's Superfluous Words is nothing but the martyr's self-mockery and modest expression for summing up his life.

瞿秋白在《多余的话》中所谓的"历史的误会"是烈士的自嘲与其总结一生时的一种谦逊表达。这与作者所受的家学教育有关。瞿秋白对于中国革命的理论贡献,不是一个一般文人所能做到的。

Speculating on the origin of Gaultheria, two different hypotheses were suggested, one of Gondwanan origin, and the other of Laurasian origin.

关于白珠树属的起源问题存在两种不同的推测:一种观点认为该属起源于南半球的冈瓦纳古陆;另一种观点则认为其起源于北半球的劳亚古大陆。

The nearly full-length CP sequence of 308 aa of SCMV-NCH was compared with the counterpart of SCMV, Sorghum mosaic virus, Maize dwarf mosaic virus; Johnsongrass mosaic virus, Zea mosaic virus and Pennisetum mosaic virus, the six virus species in SCMV subgroup in Potyvirus, respectively. A high level of sequence homology (86.2%) was observed between SCMV-NCH and SCMV-A, while only 56.4% to 72.2% sequence homology was found between SCMV-NCH and the other five virus species.

与SCMV亚组SCMV、高粱花叶病毒、玉米矮花叶病毒、约翰逊草花叶病毒、玉米花叶病毒、白草花叶病毒等6种病毒代表性株系外壳蛋白氨基酸序列同源性比较结果显示,SCMV-NCH与SCMV的同源性最高(86.2%),与其他5种病毒同源性相对较低(56.4%~72.2%)。

In accordance with the pictures which are polluted by two different types of noises---salt-and-pepper noise and Gaussian white noise, the thesis analyzes the parameters in PCNN algorithm one by one in detail, and reaches some serviceable conclusions, pointing out there exist some differences in choosing parameters of the model when removing the salt-and-pepper noise and Gaussian white noise.

本文的工作取得了以下三方面的新进展:(1)在对二值图像进行去噪处理时,针对被两种不同类型的噪声——椒盐噪声和高斯白噪声污染的图像,对PCNN算法中的参数进行逐个地详尽地分析,得出了一些有用的结论,指出当算法具体应用于去除椒盐噪声和高斯白噪声时,参数的选择存在着区别。

The spore germination rate, growth, sporulation and extracellular protease of Beauveria bassiana HFW-05 were investigated with 14 carbon sources and 11 nitrogen sources in media without any carbon and nitrogen nutrition.

在基础培养基中添加14种碳源和11种氮源测定,球孢白僵菌HFW-05菌株的萌发率、生长速率、产孢量及胞外蛋白酶活性。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。