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峰式
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     Studies show that the Rb Sr isochron age of basalt from the bimodal volcanic rocks is 173±9.7 Ma, and the Rb Sr isochron age of rhyolite is 164.8±0.57 Ma.
     研究表明该套双峰式火山岩中玄武岩的Rb Sr等时线年龄为173± 9 7Ma ,流纹岩为 16 4 8± 0 57Ma。
短句来源
     The modified electrode gives a relative reversible redox peaks in 0.1 mol/L phosphate buffer solution (pH 7.0) over the potential range from 0.0 to 0.5 V (vs.Ag/AgCl), which the formal potential is 0.250 V (vs.Ag/AgCl).
     修饰电极在 0 .1mol/LPBS缓冲溶液中 (pH 7.0 )于 0 .0~ +0 .5 0V(vs.Ag/AgCl )电位范围内呈现一对氧化还原峰 ,式量电位 (E0′)为 +0 .2 5 0V(vs.Ag/AgCl)。
短句来源
     Isotopic Characteristics of Rb-Sr and Sm-Nd in Bimodal Volcanics from the Baimianshi Basin, Southern Jiangxi Province
     赣南白面石盆地双峰式火山岩的Rb-Sr和Sm-Nd同位素特征
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     The contents of rare earth elements are high with ∑REE of 135.67×10-6~407.71×10-6,light REE enriched slightly with(La/Yb)N of 2.55~3.73,Eu has an obvious anomaly with δEu of 0.34~0.54.The geochemical characteristic of rhyolitic rocks is also similar to that of rhyolite in the bimodal volcanics of the typical back-arc basin.
     稀土元素含量较高,∑REE为135.67×10-6~407.71×10-6,轻稀土略富集,(La/Yb)N为2.55~3.73,铕负异常较明显,δEu值为0.34~0.54。 流纹质岩石地球化学特征也与典型弧后盆地双峰式火山岩中的流纹岩相似。
短句来源
     Rb-Sr chronology of bimodal volcanic rocks of the Yutian Group in the Linjiang basin,southern Jiangxi
     赣南临江盆地余田群双峰式火山岩的Rb-Sr年代学研究
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  相似匹配句对
     A BIMODAL MIXING MODEL OF THE ARCHEAN UPPER CRUST
     太古代上地壳的双模型
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     the apoptosis peaks were detected with flow cytometry;
     流细胞仪检测凋亡;
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     In addition,there also exist C=C vibra tion peak as the result of the de-hydrogen chloride reaction.
     C振动
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     The Peak Type of Tailed Peak
     拖尾的类型
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     Underground transformer
     地下变压器
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  peak model
Use of the temperature peak model for the description of track formation in semiconductor crystals irradiated by fast heavy ions
      
An attempt to apply the temperature peak model to describe the formation of defects and tracks in semiconductor crystals is made for the first time.
      
The curve fitting procedure is outlined, emphasizing the selection of the appropriate peak model.
      
The study has been carried out by simulation on a computer and it uses a commonly accepted peak model: an exponentially modified Gaussian.
      
To aid in integration, the resulting signals were successfully fitted using a generic asymmetric peak model.
      
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By means of derivation of dimensional analysis and a series of model experiments, the authorsof this paper studied aerodynamic conditions in softening melting zone in blast furnace. They havefound the functions between permeability index (ξ/△H) and thickness of coke slit(h), its voidage(ε), width(L) and numbers of cohesive zones(n). It was pointed out that the functional thicknessplayed an important role in intensifying the smelting process and better utilization of gas energy inblast furnace. Futhermore, it...

By means of derivation of dimensional analysis and a series of model experiments, the authorsof this paper studied aerodynamic conditions in softening melting zone in blast furnace. They havefound the functions between permeability index (ξ/△H) and thickness of coke slit(h), its voidage(ε), width(L) and numbers of cohesive zones(n). It was pointed out that the functional thicknessplayed an important role in intensifying the smelting process and better utilization of gas energy inblast furnace. Futhermore, it was proved the importance of enlarged batches and improved qualityof raw materials and fuels in actual practice. According to the three model test with burden distribution in the throat of the blast furnace(central part with ore, ore just to the central part, central part without ore), the permeability coe-fficient was measured, and on the basis of configuration of burden distribution, the central and per-ipheral thickness of iron ore and coke layers were calculated. In combination with the behavior ofcoke slit, the proper thickness of iron ore and coke layers in the blast furnace was proposed. Through this investigation, it was pointed out that in order to obtain higher utilization of gasenergy in the blast furnace, the reasonable curve of radial CO_2 distribution in the throat is neither‘do-uble peak type’nor‘flat peak type’,but‘spreading wing type’, i. e. high at both edges and lowin the centre.

本文以因次分析法推导,通过模型试验,研究了高炉软熔带(焦炭夹层)的气体力学条件,得出透气性指数(ξ/ΔΗ)与焦炭夹层厚度(h),空隙度(ε)和软熔层层数(n)、宽度(L)之间的函数关系,指出它们对高炉强化冶炼、节能的重要意义,并论证了扩大料批操作及改善原、燃料质量的实际意义。根据炉喉三种布料模型(中心有矿、矿石刚到中心、中心无矿),测定其阻力系数,并按布料形状,计算实际高炉矿焦层中心和边沿厚度,结合焦炭夹层行为的研究,提出了高炉适宜的矿焦层厚度。研究指出,为达到高炉更高的煤气能利用率,合理的炉喉煤气CO_2分布曲线不是“双峰”式,也不是“平峰”式,而应该是两头翘、中心低的“展翅”式。

Based on the fabric observation of morainic stones and fluvioglacial gravels of'7.1' glacier, some principal characteristics of fabric of the sediments and their relation to sedimentary environment are comparatively discussed in this paper.The morainic stones are of multipeak form in size frequency curve, with the very weak sorting of grain size. Most of the longest axes of stones are parallel to the direction of ice flow when they are deposited. Their parameters are δ_1>2, SK_1>0 or<0, and Kg<0.72. The fluvioglacial...

Based on the fabric observation of morainic stones and fluvioglacial gravels of'7.1' glacier, some principal characteristics of fabric of the sediments and their relation to sedimentary environment are comparatively discussed in this paper.The morainic stones are of multipeak form in size frequency curve, with the very weak sorting of grain size. Most of the longest axes of stones are parallel to the direction of ice flow when they are deposited. Their parameters are δ_1>2, SK_1>0 or<0, and Kg<0.72. The fluvioglacial gravels are of twin peak and moderate for sorting of grain size. Their parameters are δ_1=1.4-2, SK_1>0, and Kg=0.92-1.14. Most of a-axes of gravels are parallel to the direction of river flow when deposited. Their c-axes dip in a downflow direction, and ab-planes of gravels dip to an upflow direction at average angle about 30°. It is suggessted that the characteristics of fabric of morainic stones and fluvioglacial gravels are of importance for studying the sedimentary environment and identifying the genetic type of ancient tills and fluvioglacial sediments.

表文以“七1”冰川流域冰碛石和冰水砾石的组构测量为依据,对沉积物的组构特征及其与沉积环境的关系作了比较全面地讨论,冰碛石粒度频率曲线呈多峰式,粒度分选作用极差,σ_1>2,SK_1>0或<0,Kg<0.72,大多数冰碛石的长轴平行于冰流方向,冰水砾石呈双峰式,分选作用中等,δ_1=1.4-2, SK_1>0, Kg=0.92-1.14,大多数a轴平行于河流流向;C轴指向下游;ab面逆流倾斜,平均倾角30°左右,作者指出,冰碛石和冰水砾石的组构特征,对于研究沉积环境和鉴定古冰川、冰水沉积的成因类型有着重要的意义。

This paper introduces the concepts and definition of geochemical distr-ibution models and grade-tonnage for crustal elements and their main patterns, and discusses the characteristics of monomodal and bimodal and/or multim-odal schematics of patterns for compositions distributed in the lithosphere. It also describes the significance of the models and presents it is neccessary to determine, and research the patterns of elements, particularly ore-forming ones.

本文介绍了元素的地球化学分布模式、品位(级)总量关系的概念、定义和娄型;分析了单峰式、双峰式和(或)多峰式的特征,论述了分布模式的意义;指出了研究和确定地壳中的元索、特别是成矿元素分布模式的必要性。

 
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