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The soil under grassed elleyways had higher NH4+,and K,but lower NO3- than the soil under herbicide strip,with exception that the soil in the layer of 0～10 cm under herbicide strip had higher content of K.

施肥增加土壤速效N的含量。土壤NO3-的季节性变化表明5至6月份土壤中NO3-的含量高，而花前和7月份土壤中NO3-含量低。P、K在清耕带10 cm以下土壤的含量低于生草地土壤，但在0～10cm土层中K的含量高于生草地。P的含量不受影响。

Don.methodswith the stem of sterile seedling and fresh plants as exophyte, ms as a basic medium, 6-ba and naa hormone were adopted as the experimental variables.resultsms +1.0 mg / l 6-ba +1.0 mg / l naa induced the best effect of callus; higher concentrations of 6-ba with high concentrations of naa made callus densification and higher rate.conclusion different plant hormones and their different concentration ratios have different effects on the callus of halenia elliptica d.

方法以椭圆叶花锚种子培养的无菌苗的茎和新鲜植株的茎段为外殖体，ms为基本培养基，分别以6-ba和naa两种植物激素为变量进行实验研究。结果ms培养基+1.0 mg/l 6-ba+1.0 mg/l naa对诱导椭圆叶花锚愈伤组织的形成效果最佳；高浓度的6-ba配合较高浓度的naa诱导的愈伤组织致密，出愈率高。

The results showed that (1) The grain size of nanometer YiO_2 was40～80nm.The wavelength corresponding to the maximum absorbency values were observedin the 200～320nm range.The crystal structure of carbon doped TiO_2 photocatalyst is primarilyanatase(22.43% rutile), and the content of carbon is about 4.6%.(2) The relative humidityvaring from 8% to 80%, the photocatalytic degradation degree of benzene increased withincreasing relative humidity; and to toluene, degradation rate was hanced by relative humidityup to 60%, and more or less inhibited above 60%.(3) Scheme and results of orthogonal testswere used by evaluating the photocatalytic performance of the gas phase methanol, acetoneand 1-heptane.The results revealed that their degradation degree reached 84.5%, 93.39% and93.45%, respectively.(4) The 254nm UV lamp showed higher photocatalytic degradation rate.For methanol, acetone and 1-heptane, it was found that photocatalytic degradation reactionoccurs with the light strength of daylight lamp.(5) Under the the same conditions, 15%degradation degree has been obtained for benzene, whilst about 10% degradation degree wasattained by Degussa P25; During the initial phases, the toluene revealed higher photocatalyticactivity, comparing with Degussa P25, the degradation degree of methanol, acetone and1-heptane were slightly lower.

结果表明：(1)CVD法制备的纳米TiO_2光催化剂，颗粒球形度好、粒径在40～80nm之间；最大吸光度值所对应的波长为200～320nm；含碳量约为4.6％；晶型组成主要为锐钛矿型，金红石的含量约为22.43％；(2)在相对湿度为8％～80％范围内，苯的光催化降解率随着相对湿度的增大而增大；甲苯在相对湿度为60％时达到最好降解效果，当相对湿度增大到80％时光催化效果降低；(3)将正交实验设计及实验方案应用于气相甲醇、丙酮和正庚烷光催化降解研究，实验结果表明：三者最高降解率分别为84.5％、93.39％和93.45％；(4)有254nm紫外灯参与的光催化实验可以大大提高有机气体的光催化降解率；在日光灯的照射下，掺碳纳米TiO_2对气相甲醇、丙酮和正庚烷具有一定的光催化氧化能力；(5)较P25粉，在相同的光催化操作条件下：气相苯的平均降解率达15％，高于P25粉10％的降解率；气相甲苯在初始阶段具有较高的反应速率；气相甲醇、丙酮和正庚烷的降解率略低于P25粉。

At present, with the automotive and electronic industrial technology of rapid development, the use of the car getting higher and higher performance requirements, the electronically controlled fuel injection technology in the car on a wide range of applications, to reduce fuel consumption and reduce environmental pollution requirements of the increasingly strong electronic fuel injection system to replace the traditional carburetor is a foregone conclusion, for the fittings to meet the needs of the market in June 2003 the company started to develop my EFI system with some fittings and matching engine plant, while the introduction of Marelli, Delphi, Motorola, United Electronics, Mitsubishi Electronic Fuel Injection System complete set of fittings (for: Jinbei, ruichi,ó, the Great Wall pickup, Chinese, Zun Chi, Chun-Jie, Haversian, Seyfert, Chery, Tiggo, ZTE, Tai Di , dawn, landscape sea lions, the South East Series EFI models fittings and so on) the rapid sales network covering the domestic market fittings.

目前，随着汽车及电子工业技术的高速发展，对汽车的使用性能要求越来越高，电子控制燃油喷射技术在汽车上的广泛应用，对降低汽车耗油量和减少环境污染的要求日趋强烈，以电子燃油喷射系统取代传统的化油器已成定局，为满足配件市场的需求2003年6月我公司开始研制电喷系统配件并与部分发动机厂配套，同时引进马瑞利、德尔福、摩托罗拉、联合电子、三菱全套电喷系统配件（适用：金杯海狮、锐驰、阁瑞斯、长城皮卡、中华、尊驰、骏捷、哈弗、赛弗、奇瑞、瑞虎、中兴、大迪、曙光、风景海狮、东南系列等车型的电喷配件）销售网络迅速覆盖了国内配件市场。

Dark are the streets, gloom's creeping out of the walls Dirt comes alive and all the neon-lights call Demons and fools and a lady of black She's of the kind nighttime-insomniac She sees the pray and she's aware The times are hard but she don't care She's a vampire Desire darker than black She's a vampire Reach higher, no turning back Her wings are curtains of the night She knows no wrong or right Dead are the places where this goddess has been Cold is the skin that this creature has seen Her universe is an ocean of blood Her dining table the cradle of mud She sees the prey and she's aware The times are hard but she don't care She's a vampire Desire darker than black She's a vampire Reach higher, no turning back Her wings are curtains of the night She knows no wrong or right The night is blind, the mistress she is calling you To be by her side forevermore Follow her until her thirst is sated An immortal lie, heartblood Can't help yourself, she's got you paralyzed So would you kiss the sun goodbye?

黑暗的街道，昏暗的蔓延出墙泥土变得生机勃勃，所有的霓虹灯光致电魔，傻瓜和夫人黑色她的那种夜间insomniac 她认为，她祈祷的认识对正处于艰难时期，但她不在乎她是一个吸血鬼暗黑色的愿望比她是一个吸血鬼达到更高，没有回头路可走她的翅膀窗帘的夜晚她知道没有任何错误或正确的死者的地方这个女神已经被冷战是这种动物的皮肤出现她的宇宙是一个海洋的血液她餐桌泥的摇篮她认为猎物和她认识对正处于艰难时期，但她不在乎她是一个吸血鬼暗黑色的愿望比她是一个吸血鬼达到更高，没有回头路可走她的翅膀窗帘的夜晚她知道没有任何错误或正确的夜晚是盲目的，她是女主人打电话给你要在她身边永远跟着，直到她的渴望是饱食不朽的谎言， heartblood 不能帮助自己，她有你瘫痪因此，你会亲吻太阳再见？

Results a total of7924people from15survey sites of6counties were under fecal examination,the overall infection rate of intestinal helminthes was59.40%.of the discovered16parasite species,11were nematodes,2taeniae and3trematodes.the infection rate of hook worm,trichuris and ascaris were33.18%、31.35%and14.29%,respectively.the mixed infection was serious.the infection rate were higher in age groups of5～9years and10～14years;nationality-based analysis showed infection rates in hans,lis,miaos and huis being48.27%,64.14%,76.36%,and58.96%,respectively;the infection rate in female was higher than that in male.

结果 整群随机抽样全省5个市、县15个点7924人，调查发现人群肠道蠕虫感染率为59.40%，其中土源性线虫感染率为56.22%，查见肠道蠕虫16种，其中线虫11种，绦虫2种，吸虫3种，感染率较高的虫种是钩虫、鞭虫和蛔虫，其感染率分别为33.18%、31.35%和14.29%；多虫感染较严重，感染度以轻度感染为主，感染年龄以5～9岁和10～14岁两组为高；汉、黎、苗、回各民族感染率分率别为48.27%、64.14%、76.36%、58.96%；女性和农村居民感染率明显高于男性和城镇居民。

Relationship between DNA content and evolutionary degree DNA contents of bivalves were analyzed statistically with SPSS software at subclass, order, family and species grade respectively. Significant difference was detected between mean values of two subclasses according to the result of T-test. The DNA content of Heterodonta (3.77pg) was distinctly larger than that of Pteriomorphia (3.14pg). It was concluded based on ANOVA that the general trend of DNA content was to change from lower to higher values associated with evolution at higher taxonomical classification, i.e.

核DNA含量与进化地位的关系运用SPSS统计软件，在亚纲、目、科以及种4个分类等级上对双壳贝类的核DNA含量进行了统计分析。T检验结果显示，两亚纲核DNA含量的平均值有明显差异，异齿亚纲的核DNA含量平均值(3.77pg)显著大于翼形亚纲(3.14pg)，该结果表明，核DNA含量在较高的分类等级，即亚纲上表现出随着进化地位的升高显著增大的趋势。

In both HLA-B27 positive and negative groups, positive rate for HLA-B13/B40 was higher than that of HLA-B7/B40, implying that the heterozygotic frequency of B13 and B40 loci as well as the cross-reactivity of their antigens or both was higher.

无论在HLA-B27阳性还是阴性人群中，HLA-B13/B40的抗原阳性率远高于HLA-B7/B40的阳性率，说明B13和B40位点的杂合或交叉，远大于B7与B40之间的杂合或交叉。

In both HLA-B27 positive and negative groups, positive rate for HLA-B13/B40 was higher than that of HLA-B7/B40, implying that the heterozygotic frequency of B13 and B40 loci as well as the cross-reactivity of their antigens or both was higher.

无论在HLA-B27阳性还是阴性人群中，HLA-B13/B40的抗原阳性率远高于HLA-B7/B40的阳性率，说明B13和B40位点的杂合或交叉，远于B7与B40之间的杂合或交叉。

The nautre of ester bond and sedimentary medium condition control the distribution pattern of organic acid ester in strong reductional environment and water-washed oxidized crude oils. The former features higher contents both of 9, 11-Octadecadienoic acid, methyl ester and Hexadecanoic acid, showing the non-reversible hydrolysis reaction of ester bond in condition of basicity; the later features higher contents of Hexadecanoic acid and Octadeanoic acid, and lower contents of nonsaturated and side-chain acid ester, indicating the reversible hydrolysis reaction of ester bond in acid condition.

酯键的化学性质和沉积环境中介质条件，决定了强还原咸水盐湖相和淡水湖沼相经水洗氧化次生变化的原油有机酸酯的分布特征，前者9，11-十八二烯酸甲酯与正十六烷酸为主，反映酯键在碱性条件的不可逆水解过程，后者以正十六烷酸和正十八烷酸为主，烯酸和支链酸很少，反映酯键的酸性条件的可逆性水解，烯酸经氧化向正十八烷酸，正十六烷酸转化。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。