查询词典 natural number
- 与 natural number 相关的网络例句 [注:此内容来源于网络,仅供参考]
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With a gradual contraction longitudinal straight inlet port applied on the Multi-Point Injection natural gas engine, the concentration of natural gas and the pressure field in the intake manifold after the injection of natural gas were investigated, then in the following intake process the volocity vector map and mass distribution of natural gas inside the cylinder were also numerically examined.
在此基础上,考察了渐缩形直进气道应用於多点电喷天然气发动时,天然气喷射后进气岐管内的天然气浓度场和压力场,以及随后天然气-空气混合气在气缸内的质理分布和速度分布。
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As a result, by merely replacing the gasoline injector with natural gas injector, a large volume of natural gas is injected on the intake valve and then reflected, which makes the fuel concentration and pressure field in the intake manifold after the natural gas injection for the natural gas engine differ greatly from those for gasoline engine.
结果表明,若仅把MPI汽油机的喷油器用天然气喷射阀更换,大量的天然气喷到进气阀后反射,造成天然气发动机进气岐管内的燃料浓度场、压力场与MPI汽油机明显不同;并且进气阀被打开后,先期吸入气缸的天然气在纵向滚流的作用下被挤向进气阀底部下方,与后期吸入气缸的空气形成明显的分层充气构造。
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Hill mourning the special and advantageous natural conditions, Ailaoshan become enormous natural biological species of germplasm resources gene pool, Yunnan as animals and plantskingdom of natural museumand specimen garden,is a variety of integrated science experiments, is the ideal many disciplines scientific investigation and research base, is the scientific expedition, adventure, photography, research and returned to the natural forest of choice for this paper, through the Ailaoshan Reptilia from the investigation, Ailaoshan the right Reptilia is a more systematic and well described.
哀劳山特殊而优越的自然条件,使哀牢山成为巨大的天然生物种的种质资源的基因库,成为云南动、植物王国中的天然博物馆和标本园,是多种自然科学的综合实验地,是众多学科的理想的科学考察和研究基地,是开展科考、探险、摄影、科研、回归自然、森林的首选之地,本文通过对哀牢山爬行纲的抽取调查,对哀牢山的爬行纲给出一个较系统的,完善的叙述。
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Phusis {foo'-sis} from 5453; TDNT - 9:251,1283; n f AV - nature 10, natural + 2596 2, kind 1, mankind + 442 1; 14 1 nature 1a the nature of things, the force, laws, order of nature 1a as opposed to what is monstrous, abnormal, perverse 1b as opposed what has been produced by the art of man: the natural branches, i.e. branches by the operation of nature 1b birth, physical origin 1c a mode of feeling and acting which by long habit has become nature 1d the sum of innate properties and powers by which one person differs from others, distinctive native peculiarities, natural characteristics: the natural strength, ferocity, and intractability of beasts
相关经文回前一页 5449 phusis {foo'-sis}源自 5453; TDNT - 9:251,1283;阴性名词 AV - nature 10, natural + 2596 2, kind 1, mankind + 442 1; 14 1 大自然 1a 自然之事物,自然力,自然律,自然次序 1a 相反於怪异的,不正常的,邪恶的 1b 相反於人类艺术之产物:自然分支,亦即自然运行而得的分支 1b 天生,实体原型 1c 长期习惯形成的天性而得感受及行为之样式 1d 与他人不同天生的特质及能力之总体,有别於人的天赋与众不同,天然的特质:天然力量,多产,和难驾驭的兽性
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The spatial,temporal and two-dimensional niche breadths and niche overlaps of Hyalopterus amygda/i, Myzus persicae and their main natural enemies were studied in this paper. The results showed that the synchronism and sympatry of the pests and their natural enemies Harmonia axyridis, Propylaea japonica and Chrysopa septempunctata were both higher, which provided a foundation for protecting and using natural enemies to control the two pests.Key words: Hyalopterus amygdali; Myzus persicae; Natural enemies; Ecological niche
为了保护利用天敌,充分发挥天敌对害虫的自然控制作用,作者对桃粉蚜、桃蚜及其主要大敌在时间维度、空间维度和时—空二维生态位宽度和生态位重叠进行了研究,评价了4种主要大敌异色瓢虫、龟纹瓢虫、大草岭、蜘蛛对这2种害虫在时间和空间上的跟随作用和控制效果,为桃园桃粉蚜、桃蚜两种害虫的生态控制提供理论依据。
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The contents are mainly divided into three parts: The first part describes mechanism and metabolism rule of natural products and its classification ; The second part is about the growth and development of plants and their mutual relationship, natural biological active substances which are produced in the course of defending plant diseases and insect damages. The third part is not only the function and principle of medicine, anticancer and antioxygen activity of different kinds of natural products such as resin ,essential oil, high molecule, grease and so on but also their application. The fourth is security problem of Plant Natural Products. Through the lessons, we can correctly understand and use the relationship between plants and environment.
其课程分为13章,内容主要分为4大部分,一是阐述植物天然产物的发生机理和代谢规律,介绍相关主要植物种类,并对天然产物进行化学分类;二是讲述植物天然产物和自身生长发育之间的关系、天然产物如何影响植物之间的相互关系、以及植物如何利用天然生物活性物质抵御病虫害的威胁;三是详细描述了各种天然产物,如植物自身生长发育过程中所产生的活性物质、植物与其它生物之间的相互关系中所产生的生物活性物质、植物毒性物质、植物药理活性物质、植物抗生物质、植物树脂、植物精油、植物高分子、植物油脂、植物抗氧化活性成分等,并阐述它们的药理活性、抗癌性、抗氧化性等对人类健康起作用的的功能和原理;四是提出了植物天然产物的安全性问题,并介绍相关案例和介绍相关法规;在此基础上还专门讲述了树脂、精油、高分子、以及油脂类等天然产物的应用。
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Based on the achievements and developm ents in studying natural gas hydrates at home and abroad,the mechanism of causi ng the oil and gas reservoirs to be tightly sealed by the natural gas hydrates i s systematically analyzed in the paper through discussing the formation mechani sms,evolution properties and distribution laws of the natural gas hydrates.In li ght of the research on their control effects on petroleum accum ulation and reservoir preservation,several geologic models of oil and gas accumu lation and preservation related to the natural gas hydrates are proposed,such as vertically and laterally screened models,screened-by-drape and screened-by- contact models and syngenetically and epigenetically screened models,etc.
以国内外天然气水合物的研究成果和进展为基础,通过讨论天然气水合物的形成机制、演化特征以及其分布规律,系统分析了天然气水合物可以得天独厚地封盖油气藏的机理,探讨了其对油气藏尤其是气藏聚集和保存的控制作用,提出了天然气水合物聚集和保存油气的多类地质模式,如垂向遮挡和侧向遮挡、披覆遮挡和接触遮挡以及同生遮挡和后生遮挡等。
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METHODS: The different concentrations of natural monoclonal antikeratin antibody IgM 3B4 were incubated with Candida albicans yeast phase suspension on condition that profited germ tube formation of Candida albicans to observe the action of natural monoclonal antikeratin antibody IgM 3B4 to Candida albicans germ tube formation.And the different concentrations of natural monoclonal antikeratin antibody IgM 3B4 were incubated with the mixed suspenions of Candida albicans yeast phase with malpighian cells, human buccal epithelial cells, endothelial cells of fetal umbilical vein, respectively, to observe the action of natural monoclonal antikeratin antibody IgM 3B4 to the adhesion of Candida albicans to malpighian cells, human buccal epithelial cells and endothelial cells of fetal umbilical vein.
将不同浓度的单克隆天然抗角蛋白抗体IgM 3B4分别与白念珠菌酵母相悬液在有利于芽管形成的条件下共同孵育,倒置显微镜下计数白念珠菌总数以及白念珠菌芽管数;将不同浓度的单克隆天然抗角蛋白抗体IgM 3B4与白念珠菌酵母相和人角质形成细胞混悬液、白念珠菌酵母相和人口腔黏膜上皮细胞混悬液、白念珠菌酵母相和胎儿脐静脉内皮细胞混悬液共同孵育,分别计数人角质形成细胞、人口腔黏膜上皮细胞、胎儿脐静脉内皮细胞上粘附的白念珠菌数。
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Keratin antibody IgM 3B4 specifically against Candida albicans in vitro. METHODS: The different concentrations of natural monoclonal anti??keratin antibody IgM 3B4 were incubated with Candida albicans yeast phase suspension on condition that profited germ tube formation of Candida albicans to observe the action of natural monoclonal anti??keratin antibody IgM 3B4 to Candida albicans germ tube formation.And the different concentrations of natural monoclonal anti??keratin antibody IgM 3B4 were incubated with the mixed suspenions of Candida albicans yeast phase with malpighian cells, human buccal epithelial cells, endothelial cells of fetal umbilical vein, respectively, to observe the action of natural monoclonal anti??
将不同浓度的单克隆天然抗角蛋白抗体IgM 3B4分别与白念珠菌酵母相悬液在有利于芽管形成的条件下共同孵育,倒置显微镜下计数白念珠菌总数以及白念珠菌芽管数;将不同浓度的单克隆天然抗角蛋白抗体IgM 3B4与白念珠菌酵母相和人角质形成细胞混悬液、白念珠菌酵母相和人口腔黏膜上皮细胞混悬液、白念珠菌酵母相和胎儿脐静脉内皮细胞混悬液共同孵育,分别计数人角质形成细胞、人口腔黏膜上皮细胞、胎儿脐静脉内皮细胞上粘附的白念珠菌数。
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Express as a result that the study area gets close to hydrocarbon generation center, have high-quality coal measures hydrocarbon source rock along with big hydrocarbon generation intensity, so it has abundant gas source and the material foundation to form large scale natural gas reservoir; Evaporitic tidal flat facies of the Ordovician Majiagou Formation in this area is situated in the austral expanded range of the karstification zone, and is the optimum natural gas prospecting targets of the lower-Paleozoic; In the south of study area, there are well-developed delta deposition system sand bodies of Shanxi Formation and Xiashijezi Formation, hence this area becoming the most beneficial Neopaleozoic natural gas enriched region; In this area, the Paleozoic develop various concealed non-structured traps, the natural gas migration and accumulation process is very beneficial and both the cover and the conservancy condition are also very good.
结果表明:研究区紧邻上古生界生烃中心,发育优质煤系烃源岩,生烃潜力大,气源充足,具备形成大型天然气藏的物质基础;区内奥陶系马家沟组发育有蒸发潮坪相沉积,位于北部古潜台的向南延伸带上,是下古生界天然气的有利勘探目标;南部山西组和下石盒子组发育三角洲沉积体系砂体,是有利的上古生界天然气富集区;研究区古生界发育各种隐蔽性非构造型圈闭,天然气运聚成藏过程非常有利,封盖和保存条件也很好。
- 相关中文对照歌词
- Revolution 9
- A Natural Man
- Natural Disaster
- #1 Fan
- Natural Woman
- Number One Hit
- Natural High
- Keep It Natural
- Natural Gift
- Be Natural
- 推荐网络例句
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As of Tuesday, Google's results were still censored in China.
截至周二,谷歌的搜索结果仍受中国审查。
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In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.
在这一过程中,人的主体性发挥是社会有机体健康发展的灵魂。
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Objective To investigate the relationship between the telomer ase activity and apoptosis in gastric cancer.
目的为了探讨胃癌组织中端粒酶与细胞凋亡的关系。