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     various kinds of altitude disease 63 cases (21% ); by other diseases 55 cases (18-33% ).
     各种高原病住居第二,共63例,占21%,由其他疾病所致者55例.占18.33%。
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     WS-Security not restricts the format of XML Encryption or XML Signature, but restricts how to embed some message defined by other standards.
     WS-Security并不指定签名或加密的格式,而是指定如何在SOAP消息中嵌入由其他规范定义的安全性信息。
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     The results show that tectonic stress compression results in 52-55MPa in the overpressure of KL 2 well, and that the rest overpressure caused by other over-pressuring mechanisms.
     研究结果表明克拉2井异常高地层压力中有52~55MPa由构造应力作用引起,剩余部分由其他增压机制引起。
     Based on “The 14C Database ( Ⅰ ) on the Circum-Bohai Sea-Coast”, this paper gives a systematic calibration for 421 data, given firstly by other researchers and dated by several domestic and foreign laboratories.
     文章在环渤海海岸带14C数据集 (Ⅰ )的基础上,对所收集的421个由其他研究者获得的环渤海海岸带14C数据进行了系统校正。
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     The results show that there is about 10 MPa stress concentration at Kala 2 reservoir structural part, and that there is about 50 MPa that is caused by tectonic stress action in the overpressure of Kala 2 gas pool, and the rest by other over-pressuring mechanisms.
     研究结果表明在克拉 2储集层构造部位有 10MPa左右的应力集中 ,克拉 2气藏异常高地层压力中约 5 0MPa由构造应力作用引起 ,剩余部分由其他增压机制引起 .
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     Of which 9%were caused by bacterial cholecyslitis,38%were caused bycholelithiasis and biliary ascariasis,and 53%by others.
     53%由其他不同原因造成。
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     Since familial AS is in nearly all cases restricted to those carrying HLA-B27, it has been postulated that HLA-B27 is almost essential but not adequate to cause AS and that other genes interact with HLA-B27 to cause the condition.
     由于家族性AS几乎全部为HLA-B27阳性,故推测HLA-B27是导致AS的重要因素,但非充分因素,该病是由其他基因与HLA-B27共同引起。
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     Objective To present a special case with the karyotype and molecular marker of acute myeloid leukemia (AML)-M 2 who was induced to complete remission by all-trans retinoic acid (ATRA) alone.
     目的 报告一例特殊的白血病病例具有M2 亚型的t(8;2 1) /AML1 ETO核型分子标志 ,却被全反式维甲酸单独诱导分化而获完全缓解 ,这提示全反式维甲酸还可能由其他通路介导髓系白血病细胞的分化。
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     Outsourcing, defined as "one company transferred its business which previously finished inside to other companies".
     外包,定义为“一个业务实体将原来应在企业内部完成的业务,转移到企业外部由其他业务实体完成”。
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     Conclusion The positive rates of specific IgG and whole antibodies against SARS-CoV in children who had been clinically diagnosed as SARS were around 40%, which is much lower than the positive rate in clinically diagnosed adult SARS patients, indicating that a large proportion of those “SARS” children were infected with respiratory viruses other than SARS-CoV during SARS epidemic in Beijing.
     结论临床诊断为SARS的患儿SARS-CoV特异性IgG抗体阳性率(40%左右)明显低于临床诊断为SARS的成人患者,提示在流行期间有相当一部分儿童SARS实际上是由其他的呼吸道病毒感染所致。
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     Conclusion Confidence regions for β can also be constructed using other methods,but the empirical likelihood method is rather easier and more immediate in practice.
     结论参数β的置信区域也可由其他方法来构建,但与正态逼近或自助法相比,经验似然方法在实践中更直接和简单。
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By taking special values of r, p, s, and u0, these well-posedness results reduce to some of those previously obtained by other authors [4, 14].
      
The structure of the new fuzzy approximator benefits a course got by other means.
      
The key group is identified based on the nests used by other birds at a rate of 25%-40.17%.
      
Univariate analysis indicated that hypertension, complicated by other risk factors, had significant statistical association with the onset of stroke.
      
The popular FG-NET and the large scale Yamaha aging database are used for the age estimation experiments, and our algorithm outperforms those state-of-the-art algorithms ever reported by other interrelated literatures significantly.
      
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The solvability condition for the Riemann-Hilbert problem is used more directly than has been done heretofore by others in deriving boundary condition (2).
      
During sporulation, the production of glutamyl endopeptidase was stimulated by some bivalent cations (Ca2+, Mg2+, and Co2+) and inhibited by others (Zn2+, Fe2+, and Cu2+).
      
This effect of serotonin is potentiated by some neuropeptides and inhibited by others.
      
It is explained that, for particular choices of chiral WZNW Poisson brackets, this equation reduces to the CDYB equation recently studied by Etingof and Varchenko and by others.
      
Weak elevation of catalase and SOD activities in cells treated with 0.25-0.50 mM H2O2 found in this study does not correspond to high level of synthesis of the respective enzyme molecules observed earlier by others.
      
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In this paper, a method for the systematic and quantitative evaluation of the inductive effect exerted over a certain chemical bond in the molecule by a group, from the electronegativities and the atomic radii of its constituent elements, has been presented. The constant for the inductive effect of the group thus obtained is designated as the inductive effect index of the group. It has been found that for a given reaction, the energy changes, the logarithms of the equilibrium constants, and the logarithms of...

In this paper, a method for the systematic and quantitative evaluation of the inductive effect exerted over a certain chemical bond in the molecule by a group, from the electronegativities and the atomic radii of its constituent elements, has been presented. The constant for the inductive effect of the group thus obtained is designated as the inductive effect index of the group. It has been found that for a given reaction, the energy changes, the logarithms of the equilibrium constants, and the logarithms of the rate constants can be expressed, respectively, as linear functions of the corresponding inductive effect index involved in the reaction, and that the percentages of chemical changes in the reaction, such as percent yield and conversion, give "sigmoid" curves when plotted versus the latter. These linear functions and sigmoid curves constitute a general quantitative relationship between molecular structure and chemical reactivity.

本文中提出由元素的电负性及原子共价半径两种基本常数以系统计算非共轭体系中基团诱导效应的方法,所得出的诱导效应指数与非共轭化合物在各种反应中的能量变化,平衡常数对数与速度常数对数均形成直筱关系。反应中化学变化的百分率,如产率及转化率等,则与诱导效应指数形成S形曲线。在计算方法中,共价键A—B的极性,以两成键原子的电负性分数,xA/xA+xB,及xB/xA+xB之差δ(键极性指数)表示。一键对于邻近各键上的诱导效应,以这键上的极性强度δ/r,为计算基数,其中r为键的长度。在一非共轭体系中,作用于A—B键的诱导效应,以直接或间接联结于A—B的各键的极性强度,依照远近次序相加的总和i表示: 或简写为其中1,2,3,4……代表各键联结于A—B上的次序,a是代表诱导效应传递时递减率的常数。与A—A键比较,由B原子及其所带基团对于A—B键上所产生的极性效应,以包括B原子在内的全部基团对A—B的诱导效应指数I表示: 如果分子中B,C,…等原子带有形电荷N_1,N_2…等,则除计算i值时应采用由于电荷而校正的原子电负性及共价半径外,还应加由电荷所引起的诱导效应i_+或i_-: 其中r′是带电荷的原子的共价半径;因此总的诱导效应...

本文中提出由元素的电负性及原子共价半径两种基本常数以系统计算非共轭体系中基团诱导效应的方法,所得出的诱导效应指数与非共轭化合物在各种反应中的能量变化,平衡常数对数与速度常数对数均形成直筱关系。反应中化学变化的百分率,如产率及转化率等,则与诱导效应指数形成S形曲线。在计算方法中,共价键A—B的极性,以两成键原子的电负性分数,xA/xA+xB,及xB/xA+xB之差δ(键极性指数)表示。一键对于邻近各键上的诱导效应,以这键上的极性强度δ/r,为计算基数,其中r为键的长度。在一非共轭体系中,作用于A—B键的诱导效应,以直接或间接联结于A—B的各键的极性强度,依照远近次序相加的总和i表示: 或简写为其中1,2,3,4……代表各键联结于A—B上的次序,a是代表诱导效应传递时递减率的常数。与A—A键比较,由B原子及其所带基团对于A—B键上所产生的极性效应,以包括B原子在内的全部基团对A—B的诱导效应指数I表示: 如果分子中B,C,…等原子带有形电荷N_1,N_2…等,则除计算i值时应采用由于电荷而校正的原子电负性及共价半径外,还应加由电荷所引起的诱导效应i_+或i_-: 其中r′是带电荷的原子的共价半径;因此总的诱导效应指数是 I=i_0+i+i_±由这样计算出的诱导效应指数,可以正确推出英国学派的全部耢导效应序列及Kharasch等的脂肪基团的相对电负性序列。这指数与Taft的取代基极性常数σ~*基本上完全平行,与由其他方法算出的氢化物中氢的部分电荷也基本上平行。它与脂肪族卤化物及腈类等的电偶极矩形成良好的直线关系。这些事实都说明诱导效应指数能够定量代表有关的诱导效应。非共轭化合物中化学活性与诱导效应之间的关系,可以下式表示: E=AI+B logK=aI+b或log(K/K_0)=aI logk=a′I+b′或log(k/k_0)=a′I 其中E为反应中的能量变化及与键能有直接关系的能量性质,K为反应平衡常数,k为反应速度常数;A,B,a,b,a′,b′均为常数,其值由反应类型及反应条件决定。在很多情况下,用为基准的氢原子也包括在这种关系之内。文中列举各种类型的有机及无机化合物的几百种E,K及k以表明上述几种直线关系的普遍存在。文中讨论诱导效应指数的适用范围,指出在基团立体障碍很大与立体效应不相同的情况下,及共轭效应起主导作用,而又不恒定的情况下,诱导效应指数与化学活性之间并无上述的几种直线关系。最后文中讨论诱导效应指数的用途。一是建立一种统一的定量的诱导效应序列,二是直接表达分子结构与化学活性间的定量关系,三是验证化合物的分子结构式,四是区别分子中不同位置上同种基团的活性,五是推断某些反应的机构,并各以例说明。

In the present paper dealing with the paleogeography of Sinkiang in the late geological time more attention has been paid to the shifting of the climatic zones and notable climatic changes as well as to its general tendency of development. Such changes were considered mainly due to the intensive tectonic movements and influences of the Quarternary glaciation. It was suggested that during Cretacious and Tertiary the tectonic movement was fairly weak, and the raised mountains were levelled off by peneplanation....

In the present paper dealing with the paleogeography of Sinkiang in the late geological time more attention has been paid to the shifting of the climatic zones and notable climatic changes as well as to its general tendency of development. Such changes were considered mainly due to the intensive tectonic movements and influences of the Quarternary glaciation. It was suggested that during Cretacious and Tertiary the tectonic movement was fairly weak, and the raised mountains were levelled off by peneplanation. On the western side of the country was the site of the great Tethys Sea where warm currents drifted. Through these, the planetary system of air circulation of Sinkiang at that time was quite similar to that of the Area between to-day's west Europe and North Africa; the climatical zcnation was also alike.

本文探討新疆最近地質时期的古地理,特别注意到气候带的移位和巨大气候变化及其总的发展趋势。这些变化主要是从强烈的构从运动和冰川作用来考虑的。至于由其他因素所引起較小周期性的气候变化这里暫不予討論。新疆在白堊纪,老第三纪时期构造作用微弱,隆起的山地逐漸被夷平,西部有暖流进出古地中海,极地沒有冰盖,因此大气环流形势近似今日西欧和北非之間的环流系統。喜馬拉亚运动开始以后,古地中海消失而为新期褶皺山脉所代替,欧亚大陆联成一片,逐漸建立起东亚新的季风环流系統。新疆冬季受到蒙古—西伯利亚高压的影响,許多地方轉向干寒气候方向发展。

In an attempt to examine the effect of maltose genes (MAL genes) on maltose fermentation in yeast, we have isolated 4 unlinked MAL genes from two species of Sacchcuromyces. MALA, MALB, and MALC (not yet identified with standard MAL genes) were derived from Saccharomyces cerevisiae and MAL6 from Saccharomyces carlsbergensis. Twenty different combinations of these 4 MAL genes and 65 hybrids were constructed by means of micromanipulation technique. In our test with diploid hybrids of different genetypes to examine...

In an attempt to examine the effect of maltose genes (MAL genes) on maltose fermentation in yeast, we have isolated 4 unlinked MAL genes from two species of Sacchcuromyces. MALA, MALB, and MALC (not yet identified with standard MAL genes) were derived from Saccharomyces cerevisiae and MAL6 from Saccharomyces carlsbergensis. Twenty different combinations of these 4 MAL genes and 65 hybrids were constructed by means of micromanipulation technique. In our test with diploid hybrids of different genetypes to examine the effect of MAL genes on maltose fermentation ability, the data are presented in Table 3 and can be summarized as follows.(1) Two different groups of hybrids can be distinguished on basis of the CO2 production by hybrids, containing one of the 4 MAL genes. The two monohybrids, containing one of MALA and MALB genes produced more CO2 than other two monohybrids, containing MALC and MAL6.(2) The activity of maltose fermentation is very similar in homozygotic and heterozygotic hybrids, containing MALA and MALB. However, homozygotic hybrids containing MALC and MAL6 produced more CO2 than their heterozygotes(3) The total amount of CO2 produced by diploids heterozygous for two MAL genes varied over a wide range (2.8-4.9). Also noteworthy is the highest level of CO, production by dihybrids (MALB ×MALA). An additive effect of maltose fermentation ability of dihybrids constructed with MALE gene and one of other 3 MAL genes was observed (heterosis). In contract to these hybrids, the level of CO2 production by dihybrids constructed with MALA, MALC and MAL6 appears slightly higher than that of their parental strains.(4) The ability of maltose fermentation in polyhybrids (trihybrids and tetra-hybrids) is almost identical with their dihybrids.These results suggest an obvious correlation between MAL genes and the maltose fermentation ability in hybrids yeasts.

为了研究酵母菌麦芽糖基因对麦芽糖发酵力的效应,我们从酵母菌分离出4个不连锁的麦芽糖基因。MALA、MALB和MALC是从啤酒酵母分离出的,MAL6是从卡尔斯伯酵母分离出的。用显微操作技术共组成20种不同基因组合和65个杂种。用不同基因型的二倍体杂种测定麦芽糖基因对麦芽糖发酵力的效应,结果表明: (1)根据单因子杂种产生CO_2的量可分为两类杂种,含MALA和MALB单因子杂种比含MALC和MAL6单因子杂种产生的CO_2量多。 (2)含MALA与MALB基因的纯合子与杂合子麦芽糖发酵力一样,而含其余两个基因的纯合子比杂合子产生CO_2量多。 (3)双因子杂种产生CO_2的量变化很大(2.8—4.9克),值得注意的是双因子杂种(MALB×MALA)产生的CO_2量最高,同时发现凡由MALB与另一MAL基因组成的双因子杂种表现出麦芽糖发酵力的相加效应(杂种优势),而由其他三个MAL基因组成的双因子杂种发酵力和亲株一样。 (4)多因子杂种(三因子、四因子杂种)麦芽糖发酵力和其双因子杂种相同。 这些实验结果提示在MAL基因和麦芽糖发酵力间有明显的相关性。

 
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