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This paper chose Carbendazim, Daconil, Imidacloprid and Methomyl as experiment objects, determined their influence to soil respiration of field, shed and school using obturate direct absorb method; discussed not only the variety of soil respiration under different pesticide's sorts, concentration and soil conditions but also the relationship between soil respiration and the variety of bacteria number in soil; confirmed the toxicity grade and dangerous index; provided an scientific basis for environment safety evaluation of pesticide's using.

因此,本论文选取多菌灵、百菌清、吡虫啉、万灵为受试农药,用密闭直接吸收法测定了农药对三种土壤(农田土、大棚土和校园土)呼吸作用的影响;讨论了农药种类、浓度、土壤条件的改变引起的土壤呼吸作用强度的变化及土壤呼吸量与土壤中细菌数量变化的关系;确定了农药的毒性等级和危害系数,为农药使用的环境安全性评价提供科学依据。

Then the PTt-D paths in different places have been constructed and compared with those of the typical low-pressure and mid-pressure metamorphism both within China and abroad. Based on their similarities and differences and combined with the study on the characteristics and petrogenesis of granitic rocks, the protolith of metamorphic rocks and their tectonic significance, the tectonic setting and the geodynamic mechanism that caused the metamo rphism.

据此构筑各地区的PTt-D轨迹,并与国内外一些典型低压和中压变质地区相对比,分析彼此的共性和特性,再结合花岗质岩浆作用的特征及成因,以及原岩建造及其所代表的大地构造环境等方面的资料综合分析,以确定本区当时的大地构造环境和引起这种样式变质作用的地球动力学机理。

By using the calculated results of EET theory, the local valence electron structure elements of residual chemical bonds of Al-Si and Mg-Al alloy melts, that is, the residual bond structure models, were established. From the viewpoint of effect of pressure on melt structure, the essential reason of deviation phenomenon for maximum solution point and eutectic point in thermodynamics equilibrium phase diagram was analysed. Moreover, under pressure condition, the change of thermodynamics equilibrium phase diagram was macroscopic reflection of microstructure change of alloy melt.

运用固体与分子经验电子理论的计算结果分别建立Al-Si、Mg-Al两种合金熔体的剩余化学键的局域价电子结构基本单元即残余键结构模型,从压力对熔体结构作用的层面,分析热力学平衡相图中最大固溶点和共晶点发生偏移的本质原因,并指出压力作用下热力学平衡相图的变化是合金熔体微观结构信息变化的宏观反映。

To realize economy prance of Jinan, the backward phase of Competitiveness of equipment manufacturing industry must be reversed.

十一五是济南市装备制造业发展的关键时期,要在充分发挥市场机制配置资源的基础性作用的同时,加强政府的宏观引导和调控作用,运用符合国际惯例的、能促进产业发展的各种经济、行政、法律、法规手段,增强装备制造业的竞争力,实现装备制造业的可持续发展。

On the basis of this , the paper makes a great deal of calculation and analysis in this part , different parameters effect and stress gradient are included . local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification

本文对此内容进行了较为深入的研究,考虑了多个参数的影响,对各种应力比作用下的楔形腹板的屈曲及屈曲后强度进行了计算分析,得出了考虑翼缘相关作用的楔形腹板屈曲系数及有效宽度系数的计算公式,以期为规范的修订提供参考。

Twelve (IGF1, P450arom, ESR, FSHR, EGF, PAPP-A, DDP4, NRP2, GnRHR, INHA, PRLR, RBP4) of 14 genes detected for expression differences in ruttish Erhualian and Duroc were found expressing greater in Erhualian's uterus than in Durocs', especially RBP4 (relative quantitation=123.35) and ESR (relative quantitation=10.67) showed highly significant differences in two breeds, which suggested enhancing expression of RBP4 and ESR was favorable to early embryonic survival. These results also suggested high litter size of Erhualianwas the results of integrated effect of many genes

检测了包括NRP2 在内的14 个基因在二花脸和杜洛克中的表达差异,其中有12个基因(IGF1、P450arom、ESR、FSHR、EGF、PAPP-A、DDP4、NRP2、GnRHR、INHA、 PRLR、RBP4)在二花脸子宫的表达量均高于杜洛克子宫的表达量,尤其是 RBP4 和ESR(相对定量结果为分别为123.35 和10.67)表现得最为明显,推测RBP4 和ESR 对二花脸早期胚胎的存活可能有促进作用,由此也可以看出二花脸猪的高产仔性状是受多个基因综合作用的结果。

It is the macro effect of accumulative micro fracture in all period of time that spallation failure is induced by reflection of stress wave emerges.

研究结果表明:应力波延续时间和应力幅值对岩石的层裂过程影响较大,不同形状的应力波实际上是在相同时段内应力波具有不同的应力幅值和不同的应力加载速率,不同形状的应力波对介质的作用结果是这些因素同时作用的综合反映;应力波反射诱发层裂过程的发生,是各个时刻不同加载条件下微破裂累积的宏观体现。

Its main aims include:(1) understanding the magmatic processes of the volcanic rocks and their petrogeneses;(2) discussing the possible enrichment processes induced by subduction of continental slab;(3) providing geochemical constraints on the nature of lithosphere (including the subcontinental lithospheric mantle and lower crust) of the different tectonic units confined by the major faults across the belt; and (4) geochemical comparison of the lithosphere in an attempt to define the possible boundary between the North China and Yangtze Blocks during Mesozoic time.

中文摘要:项目开展了穿越苏鲁造山带南北向晚中生代火山岩及相关火成岩的廊带剖面(包括苏鲁带的胶东、青岛、滁州和下扬子地区的溧水盆地)的地球化学研究,理解各区块晚中生代岩浆作用过程和成因,探索大陆俯冲作用的地幔富集过程以认知各主要断裂围限地区的岩石圈性质;通过对比不同地区的岩石圈性质来限定苏鲁地区华北与扬子陆块的中生代碰撞边界。

The traditional classical management theory that top-down strict rules and regulations of the powers and the role of the people as a talking machine, in the management of activities impose strong external pressure, the foreman sent a strict supervision, resulting in workers Psychological pressure arising from antagonism, while ignoring the social and emotional factors and the role of the initiative, and creativity.

传统的古典管理理论,自上而下严格的规则和规章的权力和作用的人民说话机器,在管理活动施加强大的外部压力,工头发出了严格的监督,造成工人所产生的心理压力从对立,而忽略了社会和情感因素和作用的主动性和创造性。

The results show that:①The forest soils have the stronger nitrification, but also the nitrification in surface horizon is stronger than the undersoil's.

结果表明:①森林土壤有较强的硝化活性,且表土层比底层土强,同时根际土利于硝化作用进行,根际效应R/S在4.5左右;②淹水厌气培养24h,-N的消失率为52%~58%,占第10天的55%~71%,且表土层-N的消失率比底层土大;③参与同化反硝化作用的还原酶活性较强,在培养24h后,被还原的基质数量占加入基质数量的70%~90%。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。