主要
- 与 主要 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Numerically, Limacina trochiformis was the main dominant specis in spring, attributed to its low temperature adaptation. Atlanta peroni was the dominant species in summer and Creseis acicula was the dominant species in autumn due to their adaptation to relatively high temperature. Agadina stimpsoniji was the dominant species in winter, adapted to low temperature.
马蹄螔螺适温较低,是春季主要优势种;明螺作为暖水种,是夏季主要的优势种;秋季主要优势种为尖笔帽螺,适应于较高的水温;强卷螺适温较低,是冬季的主要优势种。
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The spatial-temporal distribution of NPP along NECT and its response to climatic change were also analyzed. Results showed that the change tendency of NPP spatial distribution in NECT is quite similar to that of precipitation and their spatial correlation coefficient is up to 0.84 (P.01). The inter-annual variation of NPP in NECT is mainly affected by the change of the aestival NPP every year, which accounts for 67.6% of the inter-annual increase in NPP and their spatial correlation coefficient is 0.95 (P.01). The NPP in NECT is mainly cumulated between May and September, which accounts for 89.8% of the annual NPP. The NPP in summer accounts for 65.9% of the annual NPP and is the lowest in winter. Recent climate changes have enhanced plant growth in NECT. The mean NPP increased 14.3% from 1980s to 1990s. The inter-annual linear trend of NPP is 4.6 gCm^(-2)a^(-1), and the relative trend is 1.17%, which owns mainly to the increasing temperature.
结果表明:(1)NECT样带植被NPP的空间变化趋势同降水量的空间变化十分相似,由东到西逐渐降低,二者在空间上的相关性达到了0.84 (P.01),说明NECT样带的植被NPP在空间分布上主要受水分趋动:(2)NECT样带植被NPP的年际变化主要是由各年份夏季NPP的变化造成的,夏季对NECT样带植被NPP的年际增长贡献率最大(67.6%),二者之间的相关性达到了0.95 (P.01);(3)NECT样带的植被NPP积累期主要发生在5-9月份,这5个月的NPP占了全年NPP总量的89.8%,整个夏季(6-8月份)的NPP占了全年的65.9%,冬季(12-2月份)的NPP最低,基本为0;(4)近19年来的气候变化促进了NECT样带的植被生长,从1980年代到1990年代,NPP显著增加,年代际相对增长率为14.3%,平均年际绝对增长趋势为4.6 gCm^(-2)a^(-1),相对增长趋势为1.17%,这主要是由温度升高引起的。
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The spatial-temporal distribution of NPP along NECT and its response to climatic change were also analyzed. Results showed that the change tendency of NPP spatial distribution in NECT is quite similar to that of precipitation and their spatial correlation coefficient is up to 0.84 (P 0.01). The inter-annual variation of NPP in NECT is mainly affected by the change of the aestival NPP every year, which accounts for 67.6% of the inter-annual increase in NPP and their spatial correlation coefficient is 0.95 (P 0.01). The NPP in NECT is mainly cumulated between May and September, which accounts for 89.8% of the annual NPP. The NPP in summer accounts for 65.9% of the annual NPP and is the lowest in winter. Recent climate changes have enhanced plant growth in NECT. The mean NPP increased 14.3% from 1980s to 1990s. The inter-annual linear trend of NPP is 4.6 gC·m-2·a-1, and the relative trend is 1.17%, which owns mainly to the increasing temperature.
结果表明:(1)NECT样带植被NPP的空间变化趋势同降水量的空间变化十分相似,由东到西逐渐降低,二者在空间上的相关性达到了0.84(P《0.01),说明NECT样带的植被NPP在空间分布上主要受水分趋动;(2)NECT样带植被NPP的年际变化主要是由各年份夏季NPP的变化造成的,夏季对NECT样带植被NPP的年际增长贡献率最大(67.6%),二者之间的相关性达到了0.95(P《0.01);(3)NECT样带的植被NPP积累期主要发生在5-9月份,这5个月的NPP占了全年NPP总量的89.8%,整个夏季(6-8月份)的NPP占了全年的65.9%,冬季(12-2月份)的NPP最低,基本为0;(4)近19年来的气候变化促进了NECT样带的植被生长,从1980年代到1990年代,NPP显著增加,年代际相对增长率为14.3%,平均年际绝对增长趋势为4.6 gCm-2(a-1,相对增长趋势为1.17%,这主要是由温度升高引起的。
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In this thesis,based on the DFT+NEGF first-principles method,we construct a lead-molecule-lead sandwich system with single benzene-based molecule to investigate the relationship between the structure and properties of the molecular devices and the factors that influence properties of the molecular devices.Our computational investigations on these molecular devices are primarily concentrated on the effect of contact geometry between molecules and electrodes,the effect of side groups,the effect of different torsion angle between two phenyl rings and the effect of external electric field.This thesis consists of five chapters:In Chapter one,we mainly introduce the research background and development of the molecular electronics,including the experimental fabrication of molecular electronic components and theoretical simulation methods.Afterwards we discuss the questions that need to be solved in this area.Finally,the main contents of this thesis are listed.In Chapter two,we introduce the theoretical methods used in this thesis, including the main first-principles calculation methods,i.e.,the Density-Functionmethod and nonequilibrium Green\'s function.
本论文拟采用密度泛函理论和非平衡格林函数相结合的第一性原理计算方法,选取苯基小分子作为研究对象,构建了金属电极/有机小分子/金属电极三明治结构体系,系统地研究了苯基分子器件结构的改变与分子电输运性质之间的关系以及影响分子器件电输运性质的相关因素,其中重点研究了分子与电极间可能的接触结构改变、官能团、分子间的扭转角以及外电场对苯基分子电输运性质的影响,本论文主要包括以下五个章节的内容:第一章为综述部分,主要介绍了分子电子学产生的背景、分子器件的研究意义、当前研究分子器件的实验和主要理论方法,以及目前在研究分子器件中存在的一些问题,最后给出了本论文的主要研究内容和技术路线。
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Pada is driving to supply new applications to peculiar HID, PAR lamps system for airport, stage, building, underwater environment; Special lighting of train and automobile for headlighting and LED signal; Unique HID, UHP and LED lighting for fire fighting, medical lighting, optical fiber lighting, as well as photosynthesis improving and video projector lamp and electronic ballast.
公司特种光源产品主要有:HID/PAR灯系列,主要用于舞台、机场、商场、公园照明和喷泉水底的照明;车用照明系列,主要有机车前照灯,LED信号标志灯,主要用于火车、汽车行车照明和信号照明;HID、UHP和LED等特种光源,主要用于抢险探照、多媒体投影、医疗照明、光纤照明、促进动植物生长等各类特种照明光源灯具和配件。
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The paper sees Horton code as a primary characteristic value and generalizing condition of the river network, and selects, simplifies and generalizes river based on scale of before and after generalization,, The main contents of paper include:(1)Reviews generalization concept, arithmetic operators, methods, influence factor and frame of map generalization and design, analyze core theory of feature —oriented map generalization, discuss the main context and applicable method of river feature generalization(2) Summarizes natural form and spatial configuration characteristic of the river network, and describe the river network using digraph Paper mostly researches tree —like river, identifies the direction of river based on the angle of the main and secondary reach, and identifies the main river based on most length and predominant continuation of the flow direction along the major channel , then receives the grade of river by recursion and structuralize river network, builds hiberarchy rank system of river based on Horton coding(3)Designs the model of river network based on Horton code, and organizes the data of node, branch and river.
本论文把Horton编码作为水系网的一个主要特征值并以此作为综合条件,并根据综合前后的比例尺对水系网进行选取、化简和概括。论文的主要工作包括:(1)总结地图综合的概念、算子分解、实现方法、主要影响因素和总体设计框架,分析面向地理特征的制图综合的核心理论支撑,在此基础上讨论水系专题要素综合的主要内容和综合适用的方法。(2)总结水系网的自然形态和空间结构特征,用图论对水系网进行描述。以树状水系作为主要研究对象,依据树状水系的主支流交汇关系确定水系流向,依据水系中主流的长度最长和主流保持原有的流向趋势确定主流,按此递归得到河流的不同级别,对基于河段组织的水系网结构化,自动建立水系的Horton编码。(3)设计基于Horton码的水系网模型,对结点、河段、河流和河系的数据进行有效的组织。
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Based on grain size analysis and core observation, main deposition systems have been recognized, including incised valley infilling system, lacustrine system, sublacustrine fan system and delta system. Among them, valley infilling system occurs in later lowstand system tract distributed in northern area, and sublacustrine fan system lies in southern area in early lowstand system tract.
通过粒度分析和岩心观察,认为中油组主要沉积体系包括侵蚀沟谷充填沉积体系、湖泊沉积体系、湖底扇沉积体系、三角洲沉积体系,其中低位侵蚀沟谷主要分布在研究区北部,主要发育在低位体系域晚期,湖底扇主要分布在研究区南部阿克亚苏地区,主要为低位体系域早期沉积。
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Lithologies are mostly sand and carbonate rocks, caps are mud rock, shale and magmatite. Entrap types are anticline, fault block rebuilt by breaking and the screened entrap diapered rock mass. The composition is CO_2, N_2, CH_4, C_2H_6 and He etc. It is magma air source body and its geologic fashions are intrusion and buried volcanic conduit. The relations between gas reservoirs and gas source bodies have three types: magma intrusion-breaking-communicated gas reservoir, magma intrusion-contacted CO_2 reservoir and buried volcanic conduit-contacted gas reservoir. The CO_2 migration in magma intrusion is consisted of fusing and crystallizing phases;it in volcanic conduit is consisted of near-surface effusion and crystallizing phases.The buoyancy of CO_2 in water far more than migration resistance in breaking or chink, CO_2 is easy float upward, the floating can results in differentiation of different density gases and concentration of sealed gas. The gas in sand reservoir firstly migrate into the higher porosity and coefficient of permeability sand, and along with the pressure going up it migrate into the lower. In magma intrusion-breaking-reservoir migration, CO_2 firstly migrate into watered breaking, began gravity differentiation and concentrate, the gas pressure time and again go up, CO_2 migrate into reservoir and concentrate under expansibility as the pressure reach upward a given extend. The CO_2 in reservoir experience four breaking modes: chemistry deposition, dissolution, diffusion and mechanic breaking, the pressure balance can be broken by faulting and the CO_2 will further migrate and form new reservoir.
济阳坳陷已发现的八里泊、阳25、平方王、平南、高青、花17 CO_2气藏主要储集层位有奥陶系、中生界、沙四段、沙三段、沙一段、馆陶组和明化镇组,储集层岩性以砂岩和碳酸盐岩为主,盖层以泥质岩、页岩和岩浆岩为主。;圈闭类型主要为受断裂改造的背斜、断块及刺穿岩体遮挡圈闭。;气体成分主要有CO_2、N_2、CH_4、C_2H_6、He等。;主要气源体为岩浆气源体,气源体的主要地质形式为侵入体和埋藏的火山通道。;气藏和气源体的空间关系有岩浆侵入体一断裂一气藏沟通型、岩浆侵入体-CO_2气储集层接触型和埋藏火山通道-气储集层接触型三种类型。;岩浆侵入体CO_2气运移分为熔融运移阶段和结晶运移阶段,火山通道中CO_2气运移分成近地表喷发阶段和结晶运移阶段。;断裂中,CO_2在水中的浮力远大于运移阻力,CO_2气容易上浮,CO_2在断裂中的易浮性导致不同密度气体的分异和走向上封闭的断裂气体相对富集。;气体在砂岩储集层运移聚集具有选择性,会优先进入孔隙度和渗透率较高的砂岩,随着压力增加,才会进入孔隙度和渗透率较低的砂岩;在岩浆气源体-断裂-储集层空间输导格架下,CO_2气在膨胀力的驱动下,首先进入含水的断裂并重力分异而聚集,气体压力会不断增高,当压力增至一定程度,CO_2气会向高孔隙度、渗透率的储集层运移并聚集。;在岩浆气源体-储集层接触空间输导格架下,CO_2气受膨胀力的驱动直接向储集层运移并聚集。;成藏的CO_2气会经历化学沉淀、溶解、扩散和机械破坏四种破坏方式,会受断裂切割而打破压力平衡,沿断裂进一步运移和聚集成藏。
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On the poet's choice, mainly be decided by two standards, one is the popularity and influences of works; two is the meaning of the creations development that it create for the whole colony. Owing to above two standards, the writer chooses seven writers to launch the treatise, they are Jidi Maja, Jimu Langge, Luwu Laqi, Ma Deqing, Aku Wuwu , Asu Yuer, Eni-Mushashijia. In discussing the process, the writer used the nationality and Poetics of the poem as the latent clues, emphasized to inquiry into three main roads and three main realms. On the article structure, the full text mainly is divided into two parts, one is the concrete imago analysis to each poet creations, two is upon the analytical foundation the integration of the theories, with this the treatise could be united into an organic whole. In regard to the conclusion, we educe the characteristics of the colony is deep consciousness to the nation culture, also extensive exploration and attention to poetics. The blemish is the inside emotion and sensibility is similar or duplicate and that the creation pattern is narrow. The main develop threads of the colony are upon the female clan culture the diverse poem skill investigation, its nation culture value tropism present the rising spiral type of return- leave- return again.
在研究方法上,本文以意象分析法为贯穿全文的主要方法,通过对意象的具体分析来****凉山诗群的诗歌世界;在诗人的选择上以其作品的影响力及意义为标准,选择了这一诗群的七位诗人展开论述,他们分别是吉狄马加、吉木狼格、倮伍拉且、马德清、阿库乌雾、阿苏越尔、俄尼·牧莎斯加;在论述过程上,笔者以诗歌的民族性和诗性作为前后贯穿的潜在线索,着重探讨了这一诗群创作的三个主要倾向和三个主要领域,前者详论,后者略述,具体表现在对前三位诗人的论述以诗人论的形式详细展开,探讨他们所代表的凉山诗群发展过程中的三个主要创作倾向,即民族文化的深层开掘、诗艺的实验性探索和艺术哲学的尝试性建构,对后四位诗人的论述则以主题的方式展开,探讨他们所代表的凉山诗群在爱情诗、乡土诗和文化诗三个领域的探索;在文章结构上,全文主要分为两大板块,一是对各位诗人创作的具体意象分析,二是在前文分析的基础上进行理论的整合,以此将前面散珠似的论述贯穿成一个有机整体;在结论上,我们通过整合得出:1、凉山诗人群新时期以来诗歌创作的大致发展脉络:在母族文化的基质之上的多元诗艺探索,其民族文化价值取向呈现为回归—离去—再回归的螺旋式上升形态;2、新时期彝族凉山诗人群汉语诗歌创作的特点,即民族文化意识的深层自觉,对诗性的关注和探索;3、新时期彝族凉山诗人群汉语诗歌创作的缺陷,即情感意蕴的雷同和创作格局的狭小。
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Golden Harvest Technology Golden Harvest electronic sales of electronic components specializing in the production of the joint venture company in October 1993 was established in Changsha City in Hunan, the main production electrolytic capacitors; Suzhou company created in 1996: the main production of plastic capacitors; Liuyang created in 2003 Company: the main production ceramic capacitors; establishment of the Hong Kong company in 2004: mainly responsible for foreign clients, and the import and export business the same year the company set up in Dongguan: Integrated the company's main products sales, international sales agent another well-known brands such as: TDK, MURATA, TAIYO, AVX, VISHAY, KEMET, such as the giant flake paste with electronic components.
嘉禾科技嘉禾电子系专业生产销售电子元器件的合资企业,总公司于1993年10月组建于湖南长沙市,主要生产铝电解电容器;1996年创建苏州公司:主要生产塑胶电容器;2003年创建浏阳公司:主要生产陶瓷电容器;2004年设立香港公司:主要负责国外客户及进出口业务;同年设立东莞公司:综合销售各公司主要产品,另代理销售国际知名品牌如:TDK、MURATA、TAIYO、AVX、VISHAY、KEMET、国巨等表贴片状电子元件器。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。