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And RW pathogen material impact on promoting corruption, the result shows : RW promoting corruption in simulated conditions, the number of male live Meloidogyne incognita, the number of females and 10 days respectively reduction in the number of oocysts 61.31%, 48.51%, 49.22%; Pathogens in tobacco black shank (Phytophthora nicotiana Breda de Haan), cercospora leaf spot pathogen were lower 97.68% and 97.77%.

与RW促腐剂对病害病原物影响对比,结果显示:RW促腐剂在模拟条件下,使活体根结线虫雄虫数、雌虫数、卵囊数在10d内分别减少61.31%、48.51%、49.22%;使烤烟黑胫病病原菌(Phytophthora nicotiana Breda de Haan)、角斑病病原菌分别比对照减少97.68%、97.77%。

The present paper aims to give a report on our research of the adsorption characteristics of the phosphate on the hydrous ceric oxide.

实验结果表明,水合氧化铈具有优异的除磷特性,在较宽pH值范围内对磷酸根有较强的吸附能力,酸性条件更有利于吸附反应的进行。

Recent field work has found that there are several terraces formed by water erosion of the dune sand in the transitional area bet-ween southeastem Ejina basin and Badain Jaran desert. The upper parts of these terraces were covered by the carbonate-solidified sandy crusts. They possess nearly the same elevation and are extensively correlatable.

新近的考察工作发现,在盆地东南部古日乃与巴丹吉林沙漠过渡区,存在有多级古沙丘被水夷平的、高度不等的平台,在这些平台之上,保存有水体快速蒸发环境条件下沙粒物质被钙质胶结的坚硬、类似砂岩的顶盖,其高度在大范围内可以对比,同时伴有湖相碳酸盐沉积、根管等。

In order to research the influnce of provenances of Cunninghamia lanceolata on koryotype, seeds are collected from 20 different provenances , they are kept on the damp filters under the condition of 25℃ for germinating till their roots grow to 0.5cm in length.

为研究杉木地理种源对杉木核型的影响,将20个杉木产区的种子在25℃条件下发芽,当根生长到5厘米时,用8-羟基喹啉预处理,压片观察。

Strength design from considering the tooth surface pressure lubrication condition and dedendum intensity of two aspects.

强度设计是从考虑润滑条件的齿面压力和齿根强度两个方面进行的。

The hyphal density paralleling with ridge was much more higher than it in the non-inoculation treatment.

接种AM真菌改变了田间条件下根外菌丝的分布特征,增强了菌丝对磷的吸收和运输功能。

The system was tested for several months under production conditions on the PM 1 of the Adolf Jass Schwarza GmbH paper mill in the Thuringian city of Rudolstadt.

该系统进行了测试下对阿Jass施瓦察公司在鲁多尔图林根市造纸厂下午1生产条件好几个月。

In this experiment, typical ectomycorhizal fungi strains(Lactarius delicious 01, 02 and 03) were isolated from Three-Gorges Reservoir where Pinus Massoniana was very popular. And Suillus placidu 504(sp 504) and Laccaria bicolor S238N (Lb 23 8N) typical in South China were also chosen to study the effects of ectomycorrhizal fungi on the growth and nutrient absorption of Pinus Massoniana. And the culture characteristics of three strains of Lactarius delicious were also studied. The object of this study is to supply techniques in culturing ectomycorrhizal seedlings for planting trees in Three-Gorges Reservoir.

试验从马尾松大面积分布的三峡库区,分离出代表当地生态条件的松乳菇(Lactarius deliciosus 1、2和3),并选择中国南方具有代表性的华南牛肝菌(Suillus placidu 504)和双色蜡蘑(Laccaria bicolor Lb S238N),研究了松乳菇3个菌株的培养特性,并利用Lb S238N、Sp 504、Ld01和Ld03苗床接种马尾松,观察了它们对幼苗的生长和养分吸收的影响,目的是为三峡库区马尾松的植树造林提供培育菌根化苗木技术。

First, this research developed a set of simple and effective technologies for preparative extraction and separation of flavonoid and phloridzin from Lithocarpus polystachyus, which includes:(1) Microwave-assisted extraction of flavonoid f...

本研究首先研发出一套简单、有效的制备性提取分离多穗柯黄酮类及其根皮苷工艺,这套工艺包括:(1)微波辅助氢氧化钙水溶液提取多穗柯黄酮,最佳工艺条件为用1.2 %氢氧化钙水溶液为提取液,料液比1:12,预煮时间5min,微波功率800W处理25min。

First, this research developed a set of simple and effective technologies for preparative extraction and separation of flavonoid and phloridzin from Lithocarpus polystachyus, which includes:(1) Microwave-assisted extraction of flavonoid from tender leaves of Lithocarpus polystachyus Rehd. The extraction conditions are as the follows, 1.2 % of Ca2 water solution, solid-liquid ratio of 1:12, pre-boiling for 5 min, 800 W of microwave treating for 25 min.

本研究首先研发出一套简单、有效的制备性提取分离多穗柯黄酮类及其根皮苷工艺,这套工艺包括:(1)微波辅助氢氧化钙水溶液提取多穗柯黄酮,最佳工艺条件为用1.2 %氢氧化钙水溶液为提取液,料液比1:12,预煮时间5min,微波功率800W处理25min。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。