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For one of the site's authors, Curzon, a summer home in one of the following cities would be perfect: Biei in Hokkaido, Kagoshima in Kyushu, the island of Tsushima, anywhere on the Izu peninsula, Kawagoe near Tokyo, Rebun island north of Hokkaido, Karuizawa in Nagano, Yokohama, Wakayama and Fukuoka.
据网站一名作者Curzon称,以下这些城市的夏日别墅将是完美选择:富良野的美瑛,九州的鹿儿岛,对马市岛,伊豆半岛的任何地方,东京附近的川越市,北海道北部的礼文岛,長野的轻井泽町,横滨、和歌山和福冈都相当不错。
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In order to investigate the long-term effect of mulch-drip irrigation on the chemical properties of salt-affected soils by the method of time-space transformation. The characteristics of salinity and salt ions distribution in 0~150 cm soil profile in the fields with corn planted for one year and two years. At the same time, the uncropped saline waste land adjacent to the experimental site was taken as the control.
为了研究长期覆膜滴灌对土壤化学性质的影响,该文通过时空转化的方法研究了覆膜滴灌种植春玉米1a和2a的盐碱地土壤盐分及盐分离子在0~150 cm土壤剖面上的分布特征,同时以试验地附近未种植的盐碱荒地作为对照。
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In the fenced plot of site A, the seed percentage of annual and biannual herbs in soil seed bank reserve was very high, and the percentage was even higher in the unfenced plot.
羊草样地围栏内外土壤种子库内的种子均以一、二年生牧草为主,远多于多年生牧草的数量。而围栏外一、二年生牧草在种子库总贮量中所占的比例更高。
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Agonistic behavior and hierarchical formation of the Przewalski's Horse was conducted from the last ten-day in May to the last ten-day in June, 2007, when a new herd was formed and released into the second reintroduction site in Kalamaili Ungulate Reserve, Xinjiang. Focal sampling and all-occurrence sampling methods were used to observe and record the agonistic behaviors of the herd, and the dominance index of each individual was calculated.
2007年5月下旬至6月下旬,针对新组群并放归于卡拉麦里有蹄类保护区第二放归点的普氏野马繁殖群,采用焦点动物取样法和全事件记录法,观测记录了组群和放归初期繁殖群内个体间的争斗行为,以优势指数法确定繁殖群内的个体等级序列。
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A series of study methods which can not research in this field begin to exert important affection. On the basis of the previous research, the following major innovative work was carried out in this dissertation.(1) Several methods including fluorescence spectra, CD and FT-IR specta methods were used to study the interaction of isoquinoline alkaloid、isoflavones and Rhein with serum albumin, and the results from every method was in good agreement;(2) The binding constants、the numbers of binding site、the binding region and the interaction force involving in the interaction of drugs and serum albumin were confirmed by Scatchard equation and Vant Hoff equation.
基于研究生物大分子与小分子相互作用具有极其重要的意义,本博士论文在前人工作的基础上,主要进行了以下几方面的创新性研究:(1)利用荧光光谱法、圆二色谱法、红外光谱法以及分子模拟等多种方法相结合研究了异喹啉类生物碱,异黄酮类化合物以及大黄酸与人血清白蛋白的相互作用,获得了准确一致的信息;(2)根据Scatchard方程和Vant Hoff方程详细研究计算了异喹啉类生物碱以及大黄酸与蛋白质结合机理包括结合常数、结合位点数、结合区域、结合力。
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In this study, sulfate radical concentration from 4 drip water points (PL1, PL2, SH, JG) in the Shihua cave have been monitored for three years, and those from the drip water point was monitored for two years. Drip discharges show three types of response to surface precipitation variations: rapid response, response with associated time-lag and stable. The results show that:(1) SO(superscript 2- subscript 4) concentration in rapid response drip water increases sharply during rain period and has a exponential relationship with drip rate;(2) in the drip water of lag response, SO(superscript 2- subscript 4) concentration has no significant incrcase during rainfall, but they show a increasing trend during a long-term monitoring;(3) SO(superscript 2- subscript 4) concentration at the stable drip site is low and has no obvious change during wet weason.
本文通过对石花洞洞穴4个滴水点(JG, SH, PL1和PL2)硫酸根浓度近3个水文年的分析测定,结果表明:响应降雨快的滴水点滴水SO(上标 2-下标 4)浓度升高幅度最明显,且滴水SO(上标 2-下标 4)浓度与滴率成指数关系;滞后响应降雨的观测点滴水SO(上标 2-下标 4)浓度雨季升高幅度不明显,但在长期观测期间有明显增加的趋势;对降雨没有响应的滴水点,其SO(上标 2-下标 4)浓度低且雨季没有明显变化。
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Casuarina equisetifolia, introduced abroad into China in 1950s, has been showing good adaptability and high productivity. It play an important role in wind break and sand fixation, ameliorating ecological environment and offering timber along the southeast coast in China. To some extent, it has become one of the irreplaceable plantations in protecting plantation, particularly on the wind gap site.
木麻黄自从20世纪50年代引种到中国,在东南沿海地区已经有50多年的栽培历史,表现了很好的适应性和丰产性,在东南沿海建立了一道绿色的生态屏障,在防风固沙、改善生态环境和提供木材等方面发挥着巨大的作用,成为沿海地区造林的主要树种之一,特别在海岸风口地段的造林中具有不可替代的地位。
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Chemiluminescent immunoassay is one of the advanced immunoassay ofnon-radioisotopic immunoassay because of its high sensitivity, wide dynamic range,high accuracy, stable labeled protein, full automation and extensive application field.CLIA using acridinium ester derivatives as chemiluminescent label has advantages oflow background, high signal-to-noise ratio, no need of catalyst and simpleluminescence system. Different aspects associating the DMAE·NHS-based CLIA were studied in thisthesis, including synthesis of acridinium ester, chemiluminescentcharacteristics of DMAE·NHS, labelling antibody or streptavidin with DMAE·NHS,two-site sandwich chemiluminescent immunoassay for TSH, two-sitesandwich chemiluminescent immunoassay involved biotin-streptavidinsystem for TSH, and competitive chemiluminescent immunoassay usingbiotin-streptavidin system for TT〓. The desired acridinium ester, DMAE·NHS, was synthesized according to thereference method with some modifications. The products were identified by IR, NMR,MS and elemental analysis. In our method, KOH was used in place of NaOH tosynthesize benzyl ester of 3,5-dimethyl-4-hydroxybenzoic acid,2',6'-dimethyl-4'-(n-succinimidyloxycarbonyl) phenyl-acridinium-9-carboxylate waspurified on a silica gel column with chloroform/ethylacetate(4:1, v/v) as eluent andfurther purified by triturating with hexane/acetone(2:1, v/v).
DMAE·NHS的合成是本论文的关键和难点,我们对文献方法进行改进:文献方法用氢氧化钠与3,5-二甲基-4-羟基苯甲酸反应制得3,5-二甲基-4-羟基苯甲酸钠,再用3,5-二甲基-4-羟基苯甲酸钠与苄氯作用制备3,5-二甲基-4-羟基苯甲酸苄酯,我们用氢氧化钾代替氢氧化钠,使合成取得成功;在合成2',6'-二甲基-4'-苯基-吖啶-9-甲酸酯时,文献方法对粗产品进行两次硅胶柱层析纯化,第一次柱层析用氯仿/乙酸乙酯(4∶1,V∶V)作溶剂和淋洗剂,第二次柱层析用己烷/丙酮(2∶1,V∶V)作溶剂和淋洗剂,按照文献方法得到的不是所需要的化合物,我们只进行第一次柱层析纯化,然后用己烷/丙酮(2∶1,V∶V)进行研磨,过滤,洗涤,除去溶于己烷/丙酮(2∶1,V∶V)的部分,得到所需要的产品。
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Finally, the paper proposes that establishment of hydrological, meteorological, and ecology monitoring site should be carried out as soon as possible in the Altun mountains and the Qiangtang Plateau region, and also recommends that the first choice should be making full use of water resources at the north of Altun Mountains to satisfy industrial water demand of the Lop Nur potash mine in the near future, and conducting the water resources of Altun mountains and the Qiangtang Plateau could be used as a backup water source in the far future.
应采取的措施:(1)尽快在阿尔金山及羌塘高原区域建立水文、气象、生态等监测站点;(2)通过加大阿尔金山北麓水资源的开发力度来解决罗布泊钾盐矿近期工业用水需求,将阿尔金山及羌塘高原的水资源作为远期备用水源。
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It was shown that amylamine was occupied in the enzyme active site in cydohexane but not in aqueous solution.
在水溶液中包括正太胺在内的开链脂肪胺类小分子对胰蛋白酶的抑制能力有限,不能生成复合物。
- 推荐网络例句
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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。
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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.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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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。