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     With the increase of age, grade 1 hypertension showed a descending trend (X~2=5.06, P<0.05), but grade 2 and grade 3 hypertension showed, a rising trend (X~2=6.78, 5.12. P<0.05).
     1级高血压随年龄增加而呈下降趋势(X~2=5.06,P<0.05),2,3级高血压随年龄增加而呈上升趋势(X~2=6.78,5.12,P<0.05)。
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     As to the contents of MDA and GSH-Px,there were only increase trend(P>0.05).
     MDA含量及GSH-Px活力有增加趋势(P>0.05);
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     Results The odds ratio (OR) for ever- exposed to ETS was 1.19 (95%CI 0.7-2.0), with a significant trend (P<0.05) with increasing exposure.
     结果 暴露在ETS中的人员,比值比(OR)为1.19(95%置信限0.7~2.0),且随暴露量增加有显著增高趋势(P<0.05)。
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     Results GRI in DM and IR group was lower than that in control group(P<0.01),while 24 h urinary protein was higher than that in DM group(P=0.008),24 h urinary protein in IR group had ascending trend(P>0.05).
     结果DM组和IR组G IR低于N组(P<0.01)。 与对照组比较,DM组24 h尿白蛋白升高(P=0.008),IR组有升高趋势(P>0.05);
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     Results show that the first dates of thunderstorm presented a delay trend(2.7 d/10 a) in the north plain;
     结果表明:雷暴初日北部平原呈推迟的趋势(2.7 d/10 a),南部山区在其平均期(4月20日)附近上下摆动。
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     the doubling times (DT) were 6.0537, 5.4794, 5.8297 respectively and index of population trend(I)were 237.70, 315.24, 319.28 respectively.
     种群加倍时间(DT)分别为6.0537、5.4794、5.8297; 种群趋势指数(I)分别为237.70、315.24、319.28。
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     With the increase of age, grade 1 hypertension showed a descending trend (X~2=5.06, P<0.05), but grade 2 and grade 3 hypertension showed, a rising trend (X~2=6.78, 5.12. P<0.05).
     1级高血压随年龄增加而呈下降趋势(X~2=5.06,P<0.05),2,3级高血压随年龄增加而呈上升趋势(X~2=6.78,5.12,P<0.05)。
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     As to the contents of MDA and GSH-Px,there were only increase trend(P>0.05).
     MDA含量及GSH-Px活力有增加趋势(P>0.05);
短句来源
     Results The odds ratio (OR) for ever- exposed to ETS was 1.19 (95%CI 0.7-2.0), with a significant trend (P<0.05) with increasing exposure.
     结果 暴露在ETS中的人员,比值比(OR)为1.19(95%置信限0.7~2.0),且随暴露量增加有显著增高趋势(P<0.05)。
短句来源
     Results GRI in DM and IR group was lower than that in control group(P<0.01),while 24 h urinary protein was higher than that in DM group(P=0.008),24 h urinary protein in IR group had ascending trend(P>0.05).
     结果DM组和IR组G IR低于N组(P<0.01)。 与对照组比较,DM组24 h尿白蛋白升高(P=0.008),IR组有升高趋势(P>0.05);
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  “trend (”译为未确定词的双语例句
     The levels of HDL-C showed a declined trend (P<0.01) in the sequence of RR, RK and KK genotypes with a significant difference among RR genotype (1.35±0.29mmol/L), RK genotype (1.24±0.27 mmol/L) and KK genotype (0.77±0.21mmol/L).
     在ABCA1的RR、RK和KK3种基因型中,HDL-C水平依次下降(分别1·35±0·29、1·24±0·27、0·77±0·21mmol/L,P<0·01)。
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     Results FHIT expressed in normal cervical tissue,CIN and cervical cancer tissue,which showed a decreasing trend(P<0.01).
     结果:FHIT蛋白在正常宫颈、CIN及子宫颈癌组织中均有表达,其表达率正常宫颈组织高于CIN和子宫颈癌组织(P<0.01),CIN组织中高于宫颈癌组织(P<0.01);
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     This article describes a new trend (formedSQuaRE)of international standard for ISO/IEC9126《Software product quality model》 and ISO/IEC14598《Software product evaluation model》.
     描述了ISO/IEC9126《软件质量模型》和ISO/IEC14598《软件质量评估模型》的新发展—形成新的国际标准SQuaRE系列。
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     On New Period Literary Trend (1978-2000)
     论新时期文学思潮(1978-2000)
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     Simpson dominance index showed decreasing trend(0.4176—0.3368).
     优势度则呈下降趋势(0.4176—0.3368)。
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  trend
Experimental results show that the theoretical bounds are found to be in agreement with the actual performance bounds of the networked RAID storage system and reflect the dynamic trend of its actual performance.
      
The method of trend surface analysis was used to analyze the distribution of landscape elements along environmental gradients in Jingouling forest farm, northeast China's Jilin Province.
      
Furthermore, the decomposition trend of different species was simulated by the Olson model, and results showed that annual mass loss rates increased over time, but was not significantly correlated.
      
gmelinii, the development of live fine root biomass agreed with the trend of total fine root biomass.
      
The isogram of the PCGA was drawn out with 0.2 contours, which showed a geographical model with a northeast-southwest variation trend of the phenotypic characters of M.
      
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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(不能单看体积的大小)。鼻脑在脑前端,...

(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,

The present study was undertaken with one dog, on whose cortex, at the region of the sigmoid gyrus, were imbedded two permanent electrodes known respectively as electrode A and electrode B. Under stimulation, electrode A gives movement of the left hind leg, and electrode B elicits movement of the toes of the left front leg.The main aim of the experiment is to determine the minimal strength in voltage for eliciting the first appreciable motor response, when the frequency of the stimulating current is under control....

The present study was undertaken with one dog, on whose cortex, at the region of the sigmoid gyrus, were imbedded two permanent electrodes known respectively as electrode A and electrode B. Under stimulation, electrode A gives movement of the left hind leg, and electrode B elicits movement of the toes of the left front leg.The main aim of the experiment is to determine the minimal strength in voltage for eliciting the first appreciable motor response, when the frequency of the stimulating current is under control. With an ordinary audio-oscillator to administer the stimulus frequencies, the range of frequencies utilized is 20—20,000 cycles.For the same frequencies, the minimal voltage for eliciting the motor response varies considerably from one sitting to another (see Table 1), but within the same sitting the same frequencies, even when repeated with many other frequencie intervening, require closely similar minimal voltages. Furthermore, a clear trend is always present in the relationship between the frequency of the stimulating. current and the minimal voltage necessary for eliciting the motor response, i. e., within the range of frequencies used (20—20,000), the middle frequencies need farsmaller stimulus strength in voltage than either the lower or the higher ones to elicit the same motor response.It was found that the minimal effective voltage is lowest for the 300—1,000. cycles region. Frequencies lower than 300 or higher than 1,000 need higher voltage. Furthermore, frequencies from 300 downwards and from 1,000 upwards are accompanied by progressively higher voltage. Electrodes A and B yield closely similar results (see Table 3 and Fig. 2). Thus, the frequencies from 300 to 1,000 cycles may be considered as possessing the most effective stimulus value.Besides the definite frequency-voltage relationship just mentioned, frequency affects the type of motor response as that frequencies of 100 and below 100 no longer elicit the regular response of the leg or the toes alone, but give rise to neck. movement in addition. Neck movement becomes eventually the only motor response to frequencies 50—20. With electrode A the above mentioned phenomenon. appeared with great regularity (see Table 4).When the experiment was over, the dog was killed and its brain examined histologically. It is seen that both electrodes are in the sigmoid gyrus of the right hemisphere, but they enter into different depths. Electrode A penetrates into between layer Ⅴ and layer Ⅵ, while electrode B penetrates only into layer (see Figs. 4 and 5).

在本实驗中在一只小狗的乙狀回皮質中埋了兩个固定的电極,分別地利用这兩个电極,在狗的正常狀态下,試驗了各种頻率的电流,發現中間頻率(300—1000周)的电流引起运动反应所必需的电压最低,自300周以下和1000周以上,引起运动反应的最 低伏特值逐步增加。 实驗还証明,直接作用于乙狀回皮質上一定点的电流当其頻率降低到某种程度时,可以使运动反应的性質改变。

The study of the distribution of hydrogen in steel ingots, despite its practical importance, has not received due attention from previous workers. Available experimental results are mainly fragmentary and non-systematic, and therefore many disputable opinions exist. Desirous of investigating this problem in greater details, the authors employed several annealed ingots of high chromium steels which were considered to be particularly suitable because they evolved little gas at room temperature and consequently...

The study of the distribution of hydrogen in steel ingots, despite its practical importance, has not received due attention from previous workers. Available experimental results are mainly fragmentary and non-systematic, and therefore many disputable opinions exist. Desirous of investigating this problem in greater details, the authors employed several annealed ingots of high chromium steels which were considered to be particularly suitable because they evolved little gas at room temperature and consequently the inherent difficulty to avoid the loss of hydrogen during sampling was, to a very large extent, overcome. For this purpose also, suitable apparatus capable of determining relatively small amount of hydrogen was constructed. The results obtained show that the hydrogen distribution in the annealed ingots follows a significant and regular pattern, thus dismissing certain misgiving conclusions based on contradictory results given by previous workers. Although the average hydrogen content of the anealed ingots amounted to not more than half that of the liquid stael, yet in certain parts of their interior the local hydrogen content was found to be higher than that of the liquid steal. This affirms the existence of hydrogen segregation in steel ingots. Moreover, from maps of hydrogen contour lines drawn for the ingots it can be seen that the regions of the highest hydrogen content roughly coincide with the last solification. Indeed, the effect due to certain external irregularities encountered in the course of solification is detectable rather from the hydrogen maps than by the usual method of macro-etching.In the longitudinal or the transverse direction of the annealed ingots, the general trend of hydrogen variation based on average hydrogen content is shown to be governed by the law of hydrogen diffusion. Further examinations reveal that the ingot structure and its internal porosity exert considerable influence upon the distribution. It is likely that hydrogen diffusion may be faster in columnar crystals than in equi-axed crystal regions. The presence of porosities in ingots seems to retard the removal of hydrogen. Such implications have not been sufficiently realized in the past.Based on the discussion of the experimental results, certain immunizing treatment suitable for preventing hairline cracks in certain types of steel is explained.

氢在鋼锭中的分佈是一个具有重要实际意义的问题,但在过去未得到研究工作者足够的重视.本文利用高铬型合金鋼在常温下不损失氢的特点,并建立了適宜的半微量定氢装置,对退火后的鋼锭中各个部位进行了定氢试验。结果证明,氢在鋼锭中的分佈是具有规律性的,指出了前人根据不全面的实验结果所提出的错误结论. 经过退火处理后的鋼锭,其平均含氢量虽然只及原来钢液含氢量的一半,伹在某些局部其含氢量反而高於钢液.这说明钢锭中确有氢的偏析现象存在.根据等氢曲线的分布情况来看,钢锭中氢偏析严重之处大致与最后凝固的部分相符.凝固过程中钢锭一面受到中注管散热的影响,也能从等氢曲线的分佈情况反映出来,而这种影响从低倍检验结果来看是没有能够觉察到的. 从氢含量变化的平均趋势来看,退火钢锭中的氢分佈不管是沿横方向抑是沿縱方向都服从於扩散规律,伹必须考虑到结晶构造和内部缺陷的影响.譬如,沿柱状晶轴方向的氢扩散似乎比等轴晶区域内的氢扩散速度大,而钢锭中心疏松对於去氢则起阻碍作用,过去对於这些方面的了解是不够的. 根据上述结果的分析讨论,本文还为某种防止钢中白点的热处理方法提供了理论上的解释.

 
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