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最大分布
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  maximum distribution
     Using Scherre formula, the average crystallites size were calculated to be 3nm. Through the small angle X ray diffraction, the crystallites size distribution showed that the maximum distribution was 2.8nm.
     根据X-Ray衍射谱,利用谢乐公式计算晶粒平均尺寸为3nm左右,小角X-Ray散射晶粒尺寸分布分析可得其最大分布在2.8nm。
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     The general algorithms for maximum distribution reduction, assignment reduction and ordered assignment reduction are examined and their time complexities are analyzed.
     给出了最大分布约简、分配约简、分配序约简的一般算法。
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     Mining Risk Rules Based on Maximum Distribution Reduction
     基于最大分布约简的风险规则挖掘
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     By defining appropriate matrices, rules extraction approaches for maximum distribution and assignment rules based on general binary relation, the upper/lower approximation rule extraction based on tolerance and similarity relation are studied.
     通过定义适当的矩阵,提出了基于一般二元关系的最大分布规则、分配规则、基于相容关系的上下近似规则和基于相似关系的上下近似规则的矩阵算法。
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     A method of transforming fuzzy inconsistent information systems into consistent information systems corresponding to the lower(upper) approximate reducts, the lower(upper) maximum distribution reducts and the \$α\$ lower(upper) assignment reducts are presented.
     相应于下(上)近似约简、下(上)最大分布约简和α下(上)分配约简给出了把模糊目标信息系统变换成对应的一致目标信息系统的方法.
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  “最大分布”译为未确定词的双语例句
     The average length of the virus paticles was 745nm and the most distribution was 720-750nm.
     经测定,其平均粒子长度为745nm,病毒粒子最大分布范围为720—750nm。
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     The largest district of pulse pressure of acute stroke was 70 to 79mmHg, the percentage of hemorrhage was 26.7% and cerebral infarction was 25.9% , of the controls was among 50 to 59mmHg, occupied 29.6% .
     脑出血组与脑梗死组脉压最大分布区域均在70-79mmHg,分别占26.7%、25.9%,而对照组则在50-59mmHg,为29.6%。
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     2. The main distribution range of leaf angles is 45°-70° in theupper layer of the canopy, 5°-35°in lower layer.
     2.群落的叶倾角影呐冠层辐射,该群落冠层上部的叶倾角在45°-70°处具有最大分布频率,而中下层则在5°-35°有最大分布频率。
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     Groups C:patients with essential hypertension(167 cases). Ninety-six health persons as control (group D). Results (1)The maximal pulse pressure of group A exceeded 70 mmHg, was 32.1%;
     结果  (1)PP最大分布区域 :A组 >70mmHg,占 32 1% ,B、D组均在 4 0~ 4 9mmHg ,分别占 38 5 %和 39 6 % ,C组在 5 0~ 5 9mmHg ,占 31.1%。
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     The local 137 Cs reference inventory was determinated to be 2 014 Bq m -2 . 137 Cs exhibits peak vertical distribution in uncultivated soils, with a maximum vertical distribution depth less than 15 cm.
     结果表明 :该流域的 1 37Cs基准值为 2 0 14 Bqm- 2 ; 对于非耕作土壤而言 ,1 37Cs在土壤剖面中呈峰值型分布 ,最大分布深度约为 15 cm;
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  相似匹配句对
     the maximum fight altitude;
     飞行高度 ;
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     The Biggest Animal of All
     的动物
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     The Most Seeming Estimation of Parameter of Logarithemic Normal Distribution
     对数正态分布参数的似然估计
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     the max. distribution of pore diameter is about 12 nm;
     孔径分布为 12nm左右 ;
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     Maximum entropy distribution algorithm and its application
     分布算法及其应用
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  maximum distribution
The maximum distribution coefficients were found to be 7.50 × 103 mL/g for Pb and 3.75 × 103 mL/g for Zn.
      
Maximum distribution coefficient was obtained at 8:2 weight ratio of TPA/TOA.
      
On the annual maximum distribution in dependent partial duration series
      
As a basis for development of the annual maximum distribution the so-called partial duration series with Poissonian occurrence times and exponentially distributed peak exceedance values has been selected.
      
Estimation of the annual maximum distribution from samples of maxima in separate seasons
      
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This test determined the fibre length and width/width of fibre cell walls/cell diameters of popular wood of nine introduced species of populus X euramericana(Dode)Ginier cv.“Eugenei”etc.in great qu- antities.As a result,ratio between fibre length and width/that betw- een cell walls and cell diameters/distribution and frequency of fibre length and width were calculated from the above four mean values. In addition,the quantities of tissue ratio of wood moleculars of indi- vidual tree species were determined. Based...

This test determined the fibre length and width/width of fibre cell walls/cell diameters of popular wood of nine introduced species of populus X euramericana(Dode)Ginier cv.“Eugenei”etc.in great qu- antities.As a result,ratio between fibre length and width/that betw- een cell walls and cell diameters/distribution and frequency of fibre length and width were calculated from the above four mean values. In addition,the quantities of tissue ratio of wood moleculars of indi- vidual tree species were determined. Based on the results of actual determination and statistical calcul- ation,the comparison and analysis were made of making paper-pulp for paper-making from wood fibres of nine kinds of popular trees.The results from analysis indicated that the fibre length of nine kinds of popular trees,except the shortest fibre length of Populus nigra Var. thevestina X P.hopeiensis +P.Simonii,are allthe medium length with- out obvious differences in fibre width,being 20.68 Micron witch the maxi- mum difference being 5.03 Micron.The distribution and frequency of fibrelength and width showed that the maximum distribution coincided with the maximum frequency. Based on the ratio between length and width calculated from wood fibre,the paper indicated that the ratio between length and width of nine kinds of popular trees was 40.29-52.70,which was greaser that the ratio of 35-45 required in making paper pulp process for paper- making,but the ratio of 35-45 was required to ensure better weaving of fibres.The ratio between thickness of fibre cell walls and cell diameters (2w/l)is smaller that 1,belonging to the first class of R.O.H.Ruaker. The fibre contents of wood of various popular tree species were between 68.6 percent to 73.7 percent,being far greater than 50 percent. In a comprehensive survey of wood fibre morphological values of nine kinds of popular tree species,although they meet the needs of making paper pulp for paper-making,the autors hold that the six kinds of popular trees such as Populus X euramericana(Dode)Guin- ier cv.“Eugenei”/Populus X euramericana(Dode)Guinier cv.“Robusta”/ Populus X euramericana(Dode)Guinier ev.“Graupaer-Selktion No.158.” /Populus X euramericana(Docle)Guinier/Populu“sepera”/Populus X eur- americana(Dode)Guinier cv.“Sarce Rouge”are more suitable popular tree species to be used in making paper pulp for paper-making in tak- ing into comprehensive consideration of their fast growth and wood qualities in combination.

本项试验对尤金杨等九种引种杨树木材的纤维长度、宽度、纤维细胞壁厚度及胞腔直径进行了足够数量的测定,并由此四项均值计算出纤维的长宽比、壁厚腔径比,以及纤维长度、宽度的分布和频率。此外还测量了各树种木材分子的组织比量。根据实测结果和统计计算,就九种杨树木材纤维对制浆造纸的适宜性作了对比和分析。分析结果认为九种杨树的纤维长度,除箭河小杨属短级外,其余皆为中级长度。而纤维宽度差异并不显著,平均在20.68~25.71微米之间,最大差异仅为5.03微米。纤维长度、宽度的分布和频率,显示其最大分布和最大频率基本一致。文章根据各树种木材纤维的长度和宽度计算出的长宽比表明,九种杨树的长宽比为40.29~52.70,皆大于制浆造纸生产过程中为保证纤维能良好地交织在一起所要求的35~45比值。纤维细胞壁厚腔径比(2w/1)亦皆小于1,属朗克尔第一级。各树种木材的纤维含量在68.6%~73.7%之间,远远大于50%。纵观九种杨树木材纤维形态值,虽均合乎制浆造纸要求,然结合其生长速度、木材性质综合考虑,作者认为尤金杨、健杨、德国158号杨、欧美杨、合作杨及撒尔红杨等六种杨树,更适宜于作为制浆造纸原料的树种。

Describes the layout of heating sources in a moderate-temperature blackbody furnace we developed with big opening and 3-Zone heating. To enable its temperature to be uniformly distributed in its different working temperature ranges from 50 to 1200℃,the cavity in rear of the target is used to control target tem perature. Thus the greatest difference distributed along the efficient length of cavity(280mm) is within 2℃.The effective emissivities distribution in cavity is calculated using the method of zonal iterating...

Describes the layout of heating sources in a moderate-temperature blackbody furnace we developed with big opening and 3-Zone heating. To enable its temperature to be uniformly distributed in its different working temperature ranges from 50 to 1200℃,the cavity in rear of the target is used to control target tem perature. Thus the greatest difference distributed along the efficient length of cavity(280mm) is within 2℃.The effective emissivities distribution in cavity is calculated using the method of zonal iterating approximation with curve fit. the result shows the values of effective emissivities of different points on the surface of a pyrometric target of large apex angle up to 148.28°are approximately all equal, i.e., 0.9985.

报道了所研制的大开孔三段加热中温黑体炉腔体热源布置原则。利用靶后腔体控制靶温可使黑体空腔在各个工作温度(50—1200℃)范围内保持均匀,在280mm腔体有效长度内最大分布温差在2℃以内。利用区域近似拟合迭代法计算了腔体有效发射率分布,计算结果表明,大锥角(148.28°)靶面上各点有效发射率值近似相等,其值为0.9985。

The nematode disease of Cunninghamia lanceolata was by Tylenchulus semipenetrans Cobb, 1913. The nematode has 10~12 generations a year in Sha-xian county Fujian province. The nematode overwinters with the egg-sac and the second-stage juveniles in the roots and the soil. The roots were infected by the second-stage female larve. The complete life history from egg to egg of nematode requires three five weeks. The population of nematode is largest in g -rowing root of Cunninghamia lanceolata, there aretwo infections...

The nematode disease of Cunninghamia lanceolata was by Tylenchulus semipenetrans Cobb, 1913. The nematode has 10~12 generations a year in Sha-xian county Fujian province. The nematode overwinters with the egg-sac and the second-stage juveniles in the roots and the soil. The roots were infected by the second-stage female larve. The complete life history from egg to egg of nematode requires three five weeks. The population of nematode is largest in g -rowing root of Cunninghamia lanceolata, there aretwo infections in a year fromJannary to the first ten days of May, and from the last ten days of August to the second ten days of Nevember, the population of nematodes in the southen aspects is larger than the northen aspects, the nomatodes verticolly exist at a depth of 1.2m in soil, but largest population are at 20~60cm. The hatchaba-lity of egg is 70% in water, and 90% at immersion roots of Cunninghamia lan-ceolata. The complete life history from male larva to adult requires 46~55 days in water, but the but the female larva does not become adult female. The highest temperation for egg development is 35℃, the lethal temperation is 40℃ , female: male is 56 : 1 .

杉木半穿刺线虫病病原线虫是柑桔线虫Tylenchulus semiPenetrans).在福建一年发生10~12代,以卵囊和二龄幼虫在根部或根际土壤中越冬,二龄雌幼虫侵袭根部,完成一世代时间是3~5周。种群数量自然消长与土温有关,而主要与杉木根萌发期一致。虫口密度一年内出现两个高峰期,阳坡比阴坡高,随林龄增大而递增。线虫在土壤中垂直分布深度达1.2m,而虫口密度最大是分布20~60cm土层。卵囊的活卵率平均为85%,卵的孵化率在杉木浸汁液中是90%,在清水中是70%。在清水中从卵发育至雄成虫需46~55天,雌幼虫在根外不能发育成虫。卵的发育最高温度35℃,致死温度40℃,雌雄虫性比为56:1。

 
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