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     The result shows that this system at25℃is a complex with five solid-phase compounds LaCl 3 ·7H 2 O,3LaCl 3 ·2ZnCl 2 ·25H 2 O,LaCl 3 ·2ZnCl 2 ·11H 2 O,2LaCl 3 ·7ZnCl 2 ·23H 2 O and ZnCl 2 ·H 2 O·0.5HCl,respectively.
     该体系是由5个固相区LaCl3·7H2O(原始盐)、3LaCl3·2ZnCl2·25H2O、LaCl3·2ZnCl2·11H2O、2LaCl3·7ZnCl2·23H2O和ZnCl2·H2O·0.5H2O组成的复杂体系。
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     The quaternary system was also complicated with five equilibrium solid phases,that is,CdCl2·H2O,9CdCl2·CeCl3·19H2O (9:1 type),6CdCl2·CeCl3·14H2O (6:1 type),4CdCl2·CeCl3·12H2O (4:1 type) and CeCl3·7H2O.
     该四元系是由5个固相区CdCl2·H2O(原始盐)、9CdCl2·CeCl3·19H2O、6CdCl2·CeCl3·14H2O、4CdCl2·CeCl3·12H2O、CeCl3·7H2O(原始盐)组成的复杂体系.
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     The quaternary system is complicated with four equilibrium solid phases CdCl2·H2O, 9CdCl2·2ErCl3·29H2O , CdCl2·7ErCl3·42H2O, and ErCl3·6H2O.
     该四元体系是由4个固相区CdCl·2H2O(原始盐)、9CdCl·22ErCl3·29H2O、CdCl·27ErCl·342H2O、ErCl3·6H2O(原始盐)组成的复杂体系.
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     The result shows that the quaternary system was complicated with four equilibrium solid phases CdCl2·H2O, 9CdCl2·NdCl3·20H2O (9:1 type), 5CdCl2-NdCl3- 13H2O (5:1 type) and NdCl3·6H2O.
     该四元系是由4个固相区CdCl2·H2O(原始盐)、9CDCl2·NdCl3·20H2O、5CDCl2·NdCl3·13H2O、NdCl3·6H2O(原始盐)组成的复杂体系.
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     The results show that the ternary syst em was complicated with five equilibrim solid phases,and they are CdCl2·2.5H2O, CdCl2·H2O,6CdCl2·CeCl3·14H2O (6:1 type),4CdCl2·CeCl3·12H2O(4:1 type) and Ce Cl3·7H2O.
     该三元系是由5个固相区CdCl2·2.5H2O(原始盐)、CdCl2·H2O(原始盐)、6CdCl2·CeCl3·14H2O、4CdCl2·CeCl3·12H2O、CeCl3·7H2O(原始盐)组成的复杂体系.
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     f mutated by nitrous acid, the bio-activity of the bacterium T.
     f菌和原始T .
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     Original Sense of Jewelry
     首饰的原始意识
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We then show that there is a unique order-reversing duality map No,c → LNo,c that has certain properties analogous to those of the original Lusztig-Spaltenstein duality map.
      
From the original framer to present-day time-frequency and time-scale frames
      
Yau's original statement was improved or extended in various directions by a long list of authors.
      
In this article, a closer look at the original statement reveals that the existence condition in fact follows from the smoothness condition which simplifies significantly the statement of the Gelfand-Levitan theory.
      
The result reduces the number of ovals in original Brauer's theorem in many cases.
      
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This paper is a description based on the Sinanthropus materials including5 teeth and two fragments of humerus and tibia recovered since the restorationof the Choukoutien excavation in 1949.The teeth of Sinanthropus are much bigger than those of modern man.Theleft medial upper incisor bears well-developed basal tubercle on the lingualsurface.The upper first and second premolars are robust in size and theirchewing surfaces are covered with wrinkles of special patterns.The crowns ofthe first and second lower molars...

This paper is a description based on the Sinanthropus materials including5 teeth and two fragments of humerus and tibia recovered since the restorationof the Choukoutien excavation in 1949.The teeth of Sinanthropus are much bigger than those of modern man.Theleft medial upper incisor bears well-developed basal tubercle on the lingualsurface.The upper first and second premolars are robust in size and theirchewing surfaces are covered with wrinkles of special patterns.The crowns ofthe first and second lower molars are characterized by their lowness in relationto their lengths and breadths.Pronounced cingulum is present on the buccalsurface of the crown.The humeral shaft is almost identical with that of modern man.Thetibial shaft is slender and its anterior border is blunt.The walls of the tibiaare extraordinarily thick and its medullary cavity is very narrow.The results of the study of Sinanthropus pekinensis by the present authorsand others clearly show that the upper extremity bones of Sinanthropus arealmost identical with those of modern man;the lower extremity bones are definitely human in form and appearance,but possess also some primitive cha-racters.The teeth and skulls possess many primitive features.The cranialcapacity is considerably smaller than that of recent man.It is due to labour,and the operations of the hands that the upper extremity is differentated fromthe lower one.The differentiation of the extremities is followed by the deve-lopment of the brain and the brain case.These results further enrich Engels'theory of the transition from ape to man and testify to the truth that“labour(?)eated man himself”.

1.本文系根据1949年北京解放后迄今在周口店中国猿人化石产地发掘而得的及由过去发现的碎骨中清理而得的中国猿人化石,加以研究,计有单独的牙齿5枚(左上内侧用齿,右上第一及第二前臼齿,左下第一和第二臼哲各1枚),肱骨及胫骨干各一小段,而胫骨化石是在周口店首次发现的新材料。2.中国猿人的牙齿有大小两种头型,大型为男性,小型为女性,本标本中的上门齿,下第一及第二臼齿属大型,所以是男性的,上第一及第二前臼齿属小型,所以是女性的。3.中国猿人的牙齿,无论其齿冠或齿根,都远较现代人或尼安德特人为硕大和粗壮。4.上内侧门齿齿冠舌面的基部有很发达的底结节及由其延伸而来的指状突, 舌面两侧增厚且向内捲而使舌面成为铲形?莞氤莨诘某ぶ嵩谝恢毕呱隙蝗缦执说某莞氤莨诘某ぶ岢梢欢劢恰?.上第一前臼齿的齿冠和齿根都大而粗壮。齿冠的唇面有三角形隆起,但其尖端偏向前方。唇结节较舌结节为大和高,嚼面的唇半大于舌半,具有特殊型式的纹理。齿根极宽,部分分为唇舌两枝。6.上第二前臼齿稍较上第一前臼齿为小,舌结节不如第一前臼齿的倾向前方。唇舌两正中(?)互相连续而将嚼面分为前后两半。唇舌两结节的大小和高度约等。齿冠唇面三角形隆起的尖端并不偏向前...

1.本文系根据1949年北京解放后迄今在周口店中国猿人化石产地发掘而得的及由过去发现的碎骨中清理而得的中国猿人化石,加以研究,计有单独的牙齿5枚(左上内侧用齿,右上第一及第二前臼齿,左下第一和第二臼哲各1枚),肱骨及胫骨干各一小段,而胫骨化石是在周口店首次发现的新材料。2.中国猿人的牙齿有大小两种头型,大型为男性,小型为女性,本标本中的上门齿,下第一及第二臼齿属大型,所以是男性的,上第一及第二前臼齿属小型,所以是女性的。3.中国猿人的牙齿,无论其齿冠或齿根,都远较现代人或尼安德特人为硕大和粗壮。4.上内侧门齿齿冠舌面的基部有很发达的底结节及由其延伸而来的指状突, 舌面两侧增厚且向内捲而使舌面成为铲形?莞氤莨诘某ぶ嵩谝恢毕呱隙蝗缦执说某莞氤莨诘某ぶ岢梢欢劢恰?.上第一前臼齿的齿冠和齿根都大而粗壮。齿冠的唇面有三角形隆起,但其尖端偏向前方。唇结节较舌结节为大和高,嚼面的唇半大于舌半,具有特殊型式的纹理。齿根极宽,部分分为唇舌两枝。6.上第二前臼齿稍较上第一前臼齿为小,舌结节不如第一前臼齿的倾向前方。唇舌两正中(?)互相连续而将嚼面分为前后两半。唇舌两结节的大小和高度约等。齿冠唇面三角形隆起的尖端并不偏向前方而在正中位置。齿根仅在尖端分为唇舌两枝。7.下第一及第二两臼齿大小相似。齿冠硕大,但其高度若与其长度和宽度相比,则相对极为低矮。齿冠唇面有明显的扣带,两臼齿全属五结节齿型,以前内结节为最高和最大。齿根极为粗壮,分为前后两枝,前枝较短而直,后枝则较长而明显向后倾斜。前枝末端分叉,后枝末端则为单独一尖端。8.肱骨干完全具有现代人的形式,唯一真正与现代人的不同之点在共髓腔较小和骨壁较厚,此外其三角肌粗隆特别发达。9.胫骨细长,前缘较为圆钝,中段的横切面呈圆钝的三稜形。胫骨干中央大部为海棉骨质所填充,髓腔极小。中国猿人的胫骨较苏鲁人稍细,但两者颇为相似。10.过去及本文对于中国猿人化石研究的结果,明显指出中国猿人的上肢骨与现代人极为相似;下肢骨虽已具有现代人的形式,但又有若干明显的原始性质;而牙齿及过去发现的头骨,则远较现代人为原始,脑量也远在现代人之下,说明了最初是由于劳动,由于手的使用而使手足发生了分化,脑子随着发展了起来,头骨和牙齿的形态发生了改变,这种结果进一步充实了恩格斯从猿到人的理论,阐明了“劳动创造人类”的真谛。

The purpose of this study was to find the response of the teleost's brain toward chemical stimuli.In carrying out the series of experiments, four species of teleost fishes were selected as working materials. They were Carassius auratus, Ophiocephalus argus, Monopterus javanensis and Hypophthalmichthys nobilis.The chemical agents for the experiments were selected as follows: Janus green, methylene blue, neutral red and crystal violet for staining purpose, i. e. for primary oxidation (Child' 47), in which the...

The purpose of this study was to find the response of the teleost's brain toward chemical stimuli.In carrying out the series of experiments, four species of teleost fishes were selected as working materials. They were Carassius auratus, Ophiocephalus argus, Monopterus javanensis and Hypophthalmichthys nobilis.The chemical agents for the experiments were selected as follows: Janus green, methylene blue, neutral red and crystal violet for staining purpose, i. e. for primary oxidation (Child' 47), in which the specimens were examined with the results recorded before reduction process set in; and in addition potassuim permanganate was used for complete oxidation-reduction purpose. The concentrations of the former agents in Ringer's solution and the latter in distilled water were experimentally determined, and are given in Table 1-4.In all cases of the stain experiments, the metabolic rates of the nosebrain (including only the olfactory bulbs and primitive endbrain in the present case) are higher than any other division, and that of the cerebellum, the balancing brain, comes out to be the next, being higher than all the other parts of the organ (with the exception of Carassius). The midbrain (part of the eyebrain) is less responsive than the cerebellum; and the medulla oblongata, without the facial and vagal lobes (brain centers for taste buds) and with its anterior regions (the earbrain) overshadowed largely by the cerebellum or only with little parts visible from above; i. e., the skinbrain, is, on the average, least responsive of allIn Carassius, the vagal lobes showed somewhat greater sensitivity than the cerebellum, and in Hypophthalmichthys they were less so than the facial lobes, which in turn almost matched up with the cerebellum. As a whole, it may be said that the olfactory lobes and primitive endbrain are most responsive and the midbrain and medulla oblongata least so, the cerebellum somewhat between them, while the facial and vagal lobes vary in their responses to these stains, but they fall between the endbrain and the medulla. If the records of both these lobes were removed from the curves on Carassius and Hypophthalmichthys, (Chart V (A)-(D)), these four curves would have a much closer resemblance in the general tendency of responses among themselves; i. e., the centers of greatest activities are located in the nosebrain, there is a considerable dropping in the eyebrain, while the cerebellum, the balancing brain, shows a great deal of rise in responsiveness, though it does not go so high as either the olfactory lobes or the primitive endbrain, and finally the medulla oblongata, the skinbrain, shows least responsiveness to the stains.The results of the oxidation-reduction process (Chart VI (A)-(D)) show more or less a general resemblance to those o?the stain experiments, but there are some differences, which should be noted. In the case of Carassius the primitive endbrain falls in its functional features a great deal below the olfactory lobes and is now even lower than the cerebellum, and the vagal lobes are about on the same level with the midbrain, while in the case of Monoptenis the cerebellum is the most active division of the brain and the medulla oblongata is similar to the midbrain. In general, it is reasonable to assume that the physiological gradients in the brains of Carassius and Hypophthalmichlhys are similar to each other, as they are of the same family, and those of Ophiocephalus and Monopterus are likewise, though they are of different families. In spite of some deviations these brains in both stain and oxidation-reduction experimentes show a general trend of similarity in their responses.It is concluded that the sensitivities of the brain surface to these chemicals are in direct proportion to its functional activities and in reverse proportion to their histogenetic age. Besides these factors, the polarity of the organ and the size of its division also have a significant bearings on the physiological gradient, but the latter should be considered together with the organization and developmental st

(一)此研究限于鱼脑的背面(因由腹面观察,不能看到全脑各部)。所用四种硬骨鱼是鲫鱼、乌鱼、黄鳝与黑鲢。 (二)鱼脑背面,分为五部分:嗅球、原始端脑、中脑、小脑与延脑。鲫鱼延脑背面前部有迷叶长出,鲢鱼延脑背面前部有面叶与迷叶长出。为研究便利计,将迷叶与面叶划为另外部分,分别观察其代谢现象。 (三)染剂用以刺激鱼脑者,为简氏绿、次甲基蓝、中性红与晶紫。此外,又用过锰酸钾作完全氧化—还原实验。 (四)对于以上各剂,鱼脑反应程度最高处是嗅球,大约与嗅球相等者,是原始端脑,稍次是小脑,再次是中脑,最次是延脑。黑鲢面叶与迷叶低于小脑,高于中脑,而面叶高于迷叶(曲线图Ⅴ(D)与Ⅵ(D))。鲫鱼的迷叶,对染剂的反应,高于小脑,对氧化—还原剂的反应,低于小脑(图Ⅴ(A)与Ⅵ(A))。 整个结论是鱼脑表面,对于化学药剂的感性与其生理功用成正比例,与其组织之年龄成反比例。除此二因素外,脑的极性(polarity)、脑各部分之体积,都与生理量度有密切的关系。唯体积关系,须与以后数点共同考虑:(1)组织的构成;(2)组织发达的程度;(3)在演化过程中该组织对于脑部继续发达,及其功用所有关系的重要性(不能单看体积...

(一)此研究限于鱼脑的背面(因由腹面观察,不能看到全脑各部)。所用四种硬骨鱼是鲫鱼、乌鱼、黄鳝与黑鲢。 (二)鱼脑背面,分为五部分:嗅球、原始端脑、中脑、小脑与延脑。鲫鱼延脑背面前部有迷叶长出,鲢鱼延脑背面前部有面叶与迷叶长出。为研究便利计,将迷叶与面叶划为另外部分,分别观察其代谢现象。 (三)染剂用以刺激鱼脑者,为简氏绿、次甲基蓝、中性红与晶紫。此外,又用过锰酸钾作完全氧化—还原实验。 (四)对于以上各剂,鱼脑反应程度最高处是嗅球,大约与嗅球相等者,是原始端脑,稍次是小脑,再次是中脑,最次是延脑。黑鲢面叶与迷叶低于小脑,高于中脑,而面叶高于迷叶(曲线图Ⅴ(D)与Ⅵ(D))。鲫鱼的迷叶,对染剂的反应,高于小脑,对氧化—还原剂的反应,低于小脑(图Ⅴ(A)与Ⅵ(A))。 整个结论是鱼脑表面,对于化学药剂的感性与其生理功用成正比例,与其组织之年龄成反比例。除此二因素外,脑的极性(polarity)、脑各部分之体积,都与生理量度有密切的关系。唯体积关系,须与以后数点共同考虑:(1)组织的构成;(2)组织发达的程度;(3)在演化过程中该组织对于脑部继续发达,及其功用所有关系的重要性(不能单看体积的大小)。鼻脑在脑前端,屡次实验,表现为最高生理量度之所在;此处之势力,支配全脑各部分。高等脊椎动物的大脑,

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本文首先讨论了设计测力仪的基本要求;其次讨论了弹性系统设计中应注意的几项问题;最后得出如下结论:(1)在弹性系统中要避免联接面;(2)在设计电容或电感测力仪时,应注意把原始间隙D 做得尽量小。(3)在设计用电阻转换器的测力仪时,应注意宁可减少弹性部分的宽度b,而增加其厚度h 并缩短长度l,使其在保持预定的刚度下得到较大的灵敏度。(4)当同时须测几个方向的作用力时,一方向的作用力不应影响另一方向力所引起的变形量,或应尽量减少这种影响。(5)测力仪在测定某一工作过程中的作用力时,其弹性系统的变形不应使工作过程中的主要条件发生显著的变化。

 
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