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the present analysis
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     The Present Analysis of Framework Agreement Negotiation of WTO
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     The Present Analysis and Training Policy Off History Teachers' Humanity Quality in Middle Schools
     中学历史教师人文素养现状分析与培养策略
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     The present analysis and preventive counter-study of productive accident in a mine
     某矿山工伤事故现状分析与预防对策研究
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     THE PRESENT ANALYSIS FOR APPLICATION OF COMPUTERS IN NORTHWEST SHANDONG
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     The Present Analysis and the Policy Proposition on Megascience International Collaboration of Our Country
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     On the basis of the present analysis and design methods, experiments are made on two types of filters on 128°YX-LiNbO3 substrates with center frequency of 60 MHz and 10.7 MHz, bandwidth of 3% and 5%, respectively.
     根据本文分析和设计方法,对f_0为60MHz和10.7MHz两种滤波器进行实验,带宽分别为3%和5%.
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     Objective The present analysis was made to study the working status of the acute flaccid paralysis (AFP) surveillance system in Guangxi in 2005 for better APF case surveillance and consolidation of the current poliomyelitis-free environment.
     目的了解2005年广西急性弛缓性麻痹(AFP)病例监测系统运转状况,进一步做好AFP病例监测,巩固无脊髓灰质炎(脊灰)成果。
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     Through the present analysis of land reclamation in open mines in China, thepaper mainly discusses some reclamation problems and provides some measures onreclamation technology, integral use and economy compensation to improve landreclamation and make ecology benefit economy benefit and society benefit keeping.
     通过分析我国露天矿土地复垦现状,本文着重进行了问题探讨,从复垦技术,综合利用及经济补偿等方面提出一些新措施,以促进土地复垦,使生态、经济和社会三效益统一。
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     The statistics analysis shows the consistency strongest ( Kappa value 0.846) between the present analysis and the colloidal gold agglutination method.
     统计学分析显示:OC-Sensorμ仪与金标法的一致性极强(Kappa值0.846)。
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     The balance calculation of measured data of Cl_2 , O_2 and N_2 supported their reason ability ,The present analysis can provide a large amount of information for research and production and it is worth referring.
     通过Cl_2、O_2、N_2的平衡计算证明Cl_2、O_2、N_2的测定数据基本合理,并为科研、生产提供大量信息,具有重要的参考价值。
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     The Present
     今日是礼物
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     Present
     礼物
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     At present, G.
     基于OpenH323协议栈实现G.
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     The present study
     因此研究SST功能,探讨其与胃癌发生的关系,
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     the present situation analysis;
     现状分析、特点及启示。
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  the present analysis
An amended classification of the Galeaspida is proposed corresponding to the present analysis.
      
In the present analysis, we supposed the atmospheric particles to be chaotically oriented spheroids and cylinders with a gamma size distribution.
      
For the present analysis, we selected solar flares of various X-ray classes (B, C, and M in the GOES notation), which were observed during moderate level of solar activity (from January to March 2003).
      
In order to single out, to the maximum possible degree, phenomena associated with the influence of spatially separated atoms on each other via the radiation field, the present analysis is performed precisely for the one-dimensional case.
      
It is shown that the FRITIOF version used in the present analysis describes satisfactorily our experimental data.
      
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At a result of a theotetical analysis of the elastic, ability of shell, it is shown that when the effect of the restraint on the edges can be ignored, the buckling stress of a shell may be determined with the aid of the following formula: where Te is the total compresive stress in the direction θacting on a unit-length section of the shell Rθ+π/2, is the radius of curvature of the shell along the section; δis the thickness of the shell E is the modulus of elasticity of the material, and μis the poi- sson's ratio....

At a result of a theotetical analysis of the elastic, ability of shell, it is shown that when the effect of the restraint on the edges can be ignored, the buckling stress of a shell may be determined with the aid of the following formula: where Te is the total compresive stress in the direction θacting on a unit-length section of the shell Rθ+π/2, is the radius of curvature of the shell along the section; δis the thickness of the shell E is the modulus of elasticity of the material, and μis the poi- sson's ratio. The condition under which the effect of the edge restraint can be ignored is that where le is the span of the shell in the direetion θ. Some examples in which boundary condition have to be considered have been worked out, and the results are compared with the known results. Finally, an approximate expression is proposed for the tangential modulus of ela- sticity of the materiad, to thet the results of the present analysis can be extended to cover the elastic plastic region. A formula for use in practical structural calcu-lations is also given

弹性稳定理论分析的结果表明,当周边约束的影响可不考虑时,一般双曲薄壳的临界内力可按下式决定:式中:Te-壳体在θ向的单位长度截面上的计算(压)内力;-壳体中曲面沿截面走向的曲率半径;δ-壳体厚度.E-材料弹性模数,μ-巴桑比数. 周边约束影响可不予考虑的条件如下:式中le为壳体在θ向的跨度. 文中在分析了若干个在其中边界约束的影响必须于以考虑的例子,并将结果与已知结果作了比较. 最后,作者建议采用材料正切弹性模数的近似表达式,以便将分析结果,推广到弹塑性范围,并提出了结构计算中的实用公式.

The following conclusions can be drawn from the present analysis:(1)It is practical to think that the migration of the moths can be solved into 3 succes-sive components,namely,the“ascending movement”,the“transmigration”and the“descend-ing movement”.The analysis of the last one and its association with certain meteoro-physicalconditions helps us to find out the intrinsic and extrinsic causes affecting such movement aswell as to appreciate their relative values.(2)Through an actual analysis of...

The following conclusions can be drawn from the present analysis:(1)It is practical to think that the migration of the moths can be solved into 3 succes-sive components,namely,the“ascending movement”,the“transmigration”and the“descend-ing movement”.The analysis of the last one and its association with certain meteoro-physicalconditions helps us to find out the intrinsic and extrinsic causes affecting such movement aswell as to appreciate their relative values.(2)Through an actual analysis of 163 cases of“sudden high catch”that happened inthe 985“favorable air current for moth-carrying”conditions,it is realized that in theprocess of decending movement the intrinsic habitual response should not be neglected.It isquite possible that such movement is the“kinetic reaction”under certain external environmentalconditions.The most important factors that determine whether moths would decend in a certaindistrict or not,might be the“circadian rhythm”and the meteoro-physical conditions.(3)It is found that the association of“sudden high catch”and certain weather condi-tions is close and significant.Moreover,under different weather conditions,the conditionalprobabilities are all different.(4)Among the weather conditions,“cyclonic center”,“cold front area”and“thunder-storm”are all favorable for the decending movement of migrating moths.Raining weatherranks next to the above mentioned ones;while under the so-called“general weather conditions”,the frequency of occurrence of“sudden high catch”is relatively low(see Table 4).(5)A possible mechanism of the decending behavior has been discussed.It is pointed outthat“cyclonic pocket”,“air disturbance”and“decending air movement”may constitue thephysical causes of such reaction.Rainfall in a certain degree may also favor the descent ofmoths,while the ascending air movement may be unfavorable for such movement.

本文对气流场与粘虫迁飞关系作了分析,表明在900—950mb 层(即400—900米高度)气流场中有适于携虫的气流存在。在各类气象条件下,粘虫蛾发生突增的条件概率,其结果(在气流有利于携虫的前提下):无条件概率值为0.1665;各条件概率值分别为:在雷暴状况下发生突增的条件概率为 0.4000;在降雨状况下发生突增的条件概率为 0.2812;在冷锋区发生突增的条件概率为 0.3720;在暖锋区发生突增的条件概率为 0.2222;在气旋中心区发生突增的条件概率为 0.4000;在“一般性天气”发生突增的条件概率为 0.1166;因此,初步结论是:气旋中心区、冷锋区、与雷暴均显著地有利于扩迁粘虫蛾的降落,而降雨、暖锋区、虽然也有或多或少的有利倾向,但是不够显著。由于在“一般性天气”条件下亦有相对多的蛾量突增的现象发生,这表明很可能降落过程与运转过程不同,在一定程度上与粘虫本身的自主性降落有关。估计这很可能与粘虫蛾的“生物钟”反应有所联系。在本文中亦对各种气象物理事件对于扩迁粘虫蛾降落过程的可能作用机制作了讨论。

Decaisnea fargesii Franch. is one of the rubber plants which have received considerable attention in recent years. The rubber of Decaisnea fargesii occurs only in the laticiferous canals of the pericarp and there is neither laticiferous canal, nor rubber substances in its roots, stems and leaves. In the present paper, a preliminary result on the research of the structure and the ontogeny of the laticiferous canals of Decaisnea fargesii is reported. In the pericarp of the mature fruit, an aggregate fleshy follicle,...

Decaisnea fargesii Franch. is one of the rubber plants which have received considerable attention in recent years. The rubber of Decaisnea fargesii occurs only in the laticiferous canals of the pericarp and there is neither laticiferous canal, nor rubber substances in its roots, stems and leaves. In the present paper, a preliminary result on the research of the structure and the ontogeny of the laticiferous canals of Decaisnea fargesii is reported. In the pericarp of the mature fruit, an aggregate fleshy follicle, of Decaisnea fargesii, there are numerous white colored laticiferous canals which are easily recognized with the naked eye. These canals connect with each other to form a reticulum. The fundamental structure of the pericarp of the young flowers is not different from that of other flowering plants. However, the protoplasm of the outer epidermal cells of the pericarp is more dense and it takes stains more deeply than that of the cells of its inner side. After the blooming fertilization, numerous spots on the outer epidermis of pericarp become centers of activity. There the cells begin to divide more actively than the other portion. As a result, numerous minute papillae are simultaneously formed. As the cells continuously divide, the papillae are gradually elevated and enlarged. At the bases of these papillae are depressions which become canal-like structures. These connect to form a reticulum below the surface of pericarp. When the canals reach a depth of 200--300μ, the divisions of the epidermal cells flanking the canals gradually slow down, but these cells increase in volume. Because the cells enlarge in anticlinal direction much more than in periclinal direction, the canals become narrower and narrower as the cell enlargement continues. Finally, the lateral walls of the canals meet each other and become fused. Here after enlargement of the epidermal cells are restricted to the lower portion of the canals. The whole structure viewed in cross-section is like a flask. At this stage, the epidermal cells in the lower portion of the flask-like structures are characterized by their larger in volume, larger nucleus, denser-protoplasm and smaller vocuoles. The chloroplasts formerly present disappear and some deeply stained particles appear in the protoplasm. Therefore, the morphology and the structure of these cell-groups are quite different from other epidermal cells of the pericarp including those on the surface and in the upper portion of canals. These groups of cells may be called secretory epidermal cells. At the end of the cells enlargement, the secretory epidermal cells of the lower portion of the canals separate each other and their walls begin to disintegrate. As these activities extend to every part of the secretory epidermal cells, a lysigenous intercellular canal is finally formed. The epidermal cells of the upper portion of the flask-like canals remain intact thus burying the canals formed in the mesocarp of the fruit. The protoplasm and inclusions of the disintegrated cells assume the appearance of milky fluid in the canals. Thus these canals should be regarded as laticiferous canals. During the further development of the pericarp, 2—4 layers of parenchymatous cells of the mesocarp surrounding the disintegrated epidermal cells break off. This makes the diameter of laticiferous canals to be further enlarged. In general, the ontogenetic processes of the laticiferous canals of Decaisnea fargesii include (1) elevation of the external epidermal cells of pericarp, (2) depression of the epidermal cells in the peripheral zone of the papillae, (3) formation and burying of the canals, and (4) disintegration of the secretory epidermal cells. Such a complex phenomena in formation of the laticiferous canals of Decaisnea fargesii is the special type in intercellular canals of plants. Within the pericarp of fully matured fruits, the diameter of the laticiferous canals may reach 600—800μ and their structure resembles the schizogenous intercellular canals generally occurring in other plants in which no special peripheral sheath-like cells has been observed. They remain in the mesocarp, covered externally by 6—9 layers of cells and form a reticulate system parallel with the outer wall of the fruit. According to the present analysis on their structure, ontogeny and distribution, the laticiferous canal system of Decaisnea fargesii is obviously different from the laticiferous tubes and the intercellular canals usually observed in the other plant. Their special type of formation is probably connected with the localization of their occurrence and particularly in relation with the characteristics of development of the fleshy fruit.

五、摘要猫屎瓜为一种近年来引起重视的橡胶植物。据报导,其橡胶只含在果皮内的乳汁道中,根、茎和叶内并无乳汁道,亦不合有橡胶物质。现就其乳汁道的结构及形成过程作一初步报告。在尚未开放的雌花中,子房壁的基本结构类似一般有花植物,仅果皮的外表皮细胞显示出原生质浓厚,染色较深。开花,受精以后,外表皮细胞开始进行分裂活动,而且此种活动在静多分散的小区域中显得特别活跃。因此,在果皮的外表面逐渐形成许多微小的突起。以后,这些突起渐渐增大和加高,同时,在突起的四周产生凹陷的沟道。这些沟道在果皮的表面上是互相贯通,连接成网状的。当沟道的深度达200—300微米时,沟道二侧的表皮细胞的分裂活动逐渐停止,细胞体积开始增大。因而沟道腔就渐渐变狭,进而其侧壁接触在一起,愈合成一块组织。以后,这种增大过程只局限在沟道下半部分的表皮细胞中进行。不久,这些细胞不仅体积大,而且细胞核大,原生质丰富,液泡化弱,叶绿体消失,染色亦特别深,所以它们和沟道上部及果皮外围的外表皮细胞,在形态结构上已明显不同,按其特征可以称为分泌表皮。以后,分泌表皮细胞停止增大,进而细胞之间因中层溶解而分离。不久,这些分离的细胞逐渐破毁,溶解,因而就形成了溶生的胞间道。在...

五、摘要猫屎瓜为一种近年来引起重视的橡胶植物。据报导,其橡胶只含在果皮内的乳汁道中,根、茎和叶内并无乳汁道,亦不合有橡胶物质。现就其乳汁道的结构及形成过程作一初步报告。在尚未开放的雌花中,子房壁的基本结构类似一般有花植物,仅果皮的外表皮细胞显示出原生质浓厚,染色较深。开花,受精以后,外表皮细胞开始进行分裂活动,而且此种活动在静多分散的小区域中显得特别活跃。因此,在果皮的外表面逐渐形成许多微小的突起。以后,这些突起渐渐增大和加高,同时,在突起的四周产生凹陷的沟道。这些沟道在果皮的表面上是互相贯通,连接成网状的。当沟道的深度达200—300微米时,沟道二侧的表皮细胞的分裂活动逐渐停止,细胞体积开始增大。因而沟道腔就渐渐变狭,进而其侧壁接触在一起,愈合成一块组织。以后,这种增大过程只局限在沟道下半部分的表皮细胞中进行。不久,这些细胞不仅体积大,而且细胞核大,原生质丰富,液泡化弱,叶绿体消失,染色亦特别深,所以它们和沟道上部及果皮外围的外表皮细胞,在形态结构上已明显不同,按其特征可以称为分泌表皮。以后,分泌表皮细胞停止增大,进而细胞之间因中层溶解而分离。不久,这些分离的细胞逐渐破毁,溶解,因而就形成了溶生的胞间道。在这种胞间道中,充满了乳白色的液体状物质,所以可以称为乳汁道。由于沟道上部数层表皮细胞并不破毁,乳汁道就深藏在中果皮内。在果皮的进一步发育中,原来包围在分泌表皮周围的2—4层中果皮薄壁组织细胞,亦随着破坏,使乳汁道更为扩大。因此,此种乳汁道是经过果皮部分外表皮的凹陷,封闭及细胞的溶解等复合方式形成的,是一种形成方式很特殊的胞间道。猫屎瓜的果实为聚合肉质蓇葖果,在完全成熟的果皮中,每个乳汁道的直径可达650—800微米。它们位于外表皮内6—9层细胞处,与果实的外表面呈平行分布。各乳汁道分枝的方向不一,互相贯通,连接成不规则的网状系统,凭肉眼亦可看到。从猫屎瓜乳汁道的结构、形成过程和在植物体内的分布情况分析,显然不同于乳汁管,亦和常见的胞间道的情况不同。此种特殊现象是与其特异的、复合的形成方式相连系的,而该种形成方式又是和肉质果实的发育特点有关的。

 
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