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synchronization
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  “) synchronization”译为未确定词的双语例句
     (2) synchronization principle ;
     (2)同步原则;
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     2) Synchronization of somatic embryogenesis would realizated by adding different concentration 2,4-D in medium.
     2、2,4-D 可以有效控制栓皮栎体胚发生的同步化,2,4-D 的浓度越高,培养基中的培养物越趋于胚性愈伤组织状态,反之,则趋于体胚发育状态。
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     Measurement and Study of Rotation in Close Binary Stars (Ⅱ) Synchronization Calculation
     密近双星自转的测量和研究(Ⅱ)──自转同步性的计算
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     A Frequency Division Duplex(FDD)Synchronization Scheme of RNC_Iub/Iur Interfaces in WCDMA is discussed in this paper. This paper first sets forth the concept, processing and applications of "RNC-Node B" Node Synchronisation, then discusses the determining technology of Connection Frame Number(CFN) and puts forward a method to acquire the value of CFN.
     本文探讨了WCDMA中频分双工 (FDD)模式下的RNC_Iub/Iur接口同步技术 ,阐述了“RNC -NodeB”节点同步的概念、实现过程及其应用 ,讨论了连接帧编号 (CFN)的定制技术 ,提出了CFN的获得方法。
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     The images with attenuation correction were reconstructed and compare with CT(MR) synchronization.
     经SPECT/CT同机联合扫描行FDG显像检查 ,用二次迭代法加衰减校正进行影像重建 ,与同期CT或 (和 )MR检查相比较 .
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  相似匹配句对
     Synchronization to mography
     同步层析术
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     Multimedia Synchronization
     多媒体同步技术的研究
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  synchronization
By using only one state variable and its time derivatives, a control law is constructed to achieve the synchronization between the investigated chaotic systems and their observers, and the results are proved theoretically.
      
The principle of DTV positioning on the basis of frame synchronization is brought forward and the ranging characteristic is studied that the observables are asynchronously measured during the same epoch interval.
      
In this paper, partial synchronization (PaS) in networks of coupled chaotic oscillator systems and synchronization in sparsely coupled spatiotemporal systems are explored.
      
The criterion in judging PaS is further applied to the study of synchronization of two sparsely coupled spatiotemporal chaotic systems.
      
Different synchronization regimes are distinguished.
      
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The present paper reports on the results of some preliminary observationson the insect parasites of the pine caterpillar, carried out in the Nanking dis-trict during 1936-37. (1) The following insect parasites were reared from various stages of thepine caterpillar: Egg parasites: Trichogramma evanescens Westwood, Telenomus dendrolimusiChu, Anastatus gastropachae Ashmead. Larva parasites: Casinaria dendrolimi Uchida, Rhogas spectabilis (Matsumura),Stenaraeoides octocinctus (Ashmead), Itoplectis nigribasalis Uchida,...

The present paper reports on the results of some preliminary observationson the insect parasites of the pine caterpillar, carried out in the Nanking dis-trict during 1936-37. (1) The following insect parasites were reared from various stages of thepine caterpillar: Egg parasites: Trichogramma evanescens Westwood, Telenomus dendrolimusiChu, Anastatus gastropachae Ashmead. Larva parasites: Casinaria dendrolimi Uchida, Rhogas spectabilis (Matsumura),Stenaraeoides octocinctus (Ashmead), Itoplectis nigribasalis Uchida, Tricholygasorbillans Wied., Sturmia sp., Carcelia sp. Pupal parasites: Xanthopimpla japonica Krieger, Pimpla disparis Viereck,Brachymaria obscurata (Walker), Brachymeria fiskei Crawford. Hyperparasites: Phygadeuon latipatiolator Uchida, Monodontomerus dentipes(Boheman), Brachymeria obscurata (Walker), Brachymeria fishei Crawford, Eury-toma sp. (2) The egg parasites played an important part in the natural control ofthe pine caterpillar. The percentage of parasitism reached 61% in the materialcollected at Tang-shan, 1936. Telenomus dendrolimusi and Anastatus gastropachaewere observed to be more important than Trichogramma evanescens. (3) As high as 26% of the early-instar larvae could be killed by the para-sites. The percentage of larval parasitism and the relative value of the severalparasites varied with the time at which host material was collected. A differ-ence of a few days would give entirely different results. (4) The late-instar larvae were attacked by three species of dipterousparasites. The highest percentage of parasitism observed was 42%. (5) 38.4% of the pine caterpillar were killed during their pre-papal andpupal stage chiefly by Sturmia sp. and Xanthopimpla japonica Krieger. (6) The percentage of parasitism whether in the egg, larva or pupa stagewere observed to be always higher in the second generation than in the first,a fact suggests that hibernation may have an important bearing upon thepopulation of the parasites. (7) The time of appearance of the more important parasites and theirhabits were discussed. (8) Some of the factors, such as hyperparasitism, non-synchronization ofthe life cycles of the host and parasite, over-restriction in host selection, andthe influence of certain control measures, which have adverse effects on theparasite populations, were discussed. (9) As the percentage of parasitisn fluctuated greatly with year and season,it, is, therefore, suggested that a study of the factors which are responsible forthese fluctuations is of primary importance. Based on the results of suchstudies, measures may be adopted to increase the efficiency of the parasites.

1936—37年在南京地区观察松毛虫寄生天敌所得的初步结果可简述如下: (一)南京地区业经发现的松毛虫天敌有卵寄生蜂3种:赤眼卵蜂、松毛虫长腹卵蜂、平腹小蜂;幼虫寄生蜂4种:松毛虫瘦姬蜂、松与虫红头小茧蜂、花胸姬蜂、黑基瘤姬蜂;幼虫寄生蝇3种:家蚕寄生蝇、大寄生蝇、小寄生蝇;蛹寄生蜂4种;日本黑点姬蜂、黑瘤姬蜂、大腿蜂、费氏大腿蜂;另重寄生8种。 (二)卵寄生蜂在防治松毛虫上起了适当大的作用,有时减低寄主虫口达61.24%。3种寄生蜂中以松与虫长腹卵蜂及平腹小峰为较重要。 (三)松毛虫初龄幼虫寄生率最高时可达26%。寄生率的高低及各种天敌的比较重要性与采集寄主材料的时期有密切的关系,往往数日之差,寄生率可截然不同。 (四)松与虫的后龄幼虫遭3种寄生蝇的寄生。寄生率最高可达42%。 (五)松毛虫茧期的寄生率可达38.4%,天敌中以大寄生蝇及日本黑点姬蜂为 最主要。 (六)无论在卵期、幼虫期或蛹期,第2化松毛虫的寄生率均比第1化的为高。此点似说明越冬问题是松毛虫天敌繁殖中的一个关系问题。 (七)几种比较重要的寄生天敌的发生时期和生活习性,本文中根据观察所及,加以记载。 (八)本文中将几个影响松毛虫寄生天敌虫口的因...

1936—37年在南京地区观察松毛虫寄生天敌所得的初步结果可简述如下: (一)南京地区业经发现的松毛虫天敌有卵寄生蜂3种:赤眼卵蜂、松毛虫长腹卵蜂、平腹小蜂;幼虫寄生蜂4种:松毛虫瘦姬蜂、松与虫红头小茧蜂、花胸姬蜂、黑基瘤姬蜂;幼虫寄生蝇3种:家蚕寄生蝇、大寄生蝇、小寄生蝇;蛹寄生蜂4种;日本黑点姬蜂、黑瘤姬蜂、大腿蜂、费氏大腿蜂;另重寄生8种。 (二)卵寄生蜂在防治松毛虫上起了适当大的作用,有时减低寄主虫口达61.24%。3种寄生蜂中以松与虫长腹卵蜂及平腹小峰为较重要。 (三)松毛虫初龄幼虫寄生率最高时可达26%。寄生率的高低及各种天敌的比较重要性与采集寄主材料的时期有密切的关系,往往数日之差,寄生率可截然不同。 (四)松与虫的后龄幼虫遭3种寄生蝇的寄生。寄生率最高可达42%。 (五)松毛虫茧期的寄生率可达38.4%,天敌中以大寄生蝇及日本黑点姬蜂为 最主要。 (六)无论在卵期、幼虫期或蛹期,第2化松毛虫的寄生率均比第1化的为高。此点似说明越冬问题是松毛虫天敌繁殖中的一个关系问题。 (七)几种比较重要的寄生天敌的发生时期和生活习性,本文中根据观察所及,加以记载。 (八)本文中将几个影响松毛虫寄生天敌虫口的因子提出讨论,这些因子包括;重寄生的严重、天敌发生时期与寄主生活史的不相

1. This paper presents the results of the observations on the quantitative and morphological changes of the various types of cells in the testes of the monkey, Macaca mulatta, which were exposed to 200 r-units of X-irradiation. For the purpose of conipar- ison, the testes were each separately taken out at different intervals after irradiation as follows: 5, 10, 20, 30, 40, 50 and 60 days. 2. The radiosensitivity of the cells at different stages of spermatogenesis was found to be in close conformity With...

1. This paper presents the results of the observations on the quantitative and morphological changes of the various types of cells in the testes of the monkey, Macaca mulatta, which were exposed to 200 r-units of X-irradiation. For the purpose of conipar- ison, the testes were each separately taken out at different intervals after irradiation as follows: 5, 10, 20, 30, 40, 50 and 60 days. 2. The radiosensitivity of the cells at different stages of spermatogenesis was found to be in close conformity With the similar experimental data obtained in the rodents as previously reported by other authors. The degree of radiosensitivity appears to be in inverse relationship with the progress of maturation, that is, it is highest in the spernia- tegonial stage and becomes lowered gradually in the order of primary spermatocytes, secondary spermatocytes and spermatids down to sporniatozoa, which prove to be least sanasitive. In as early as the 5th day after irradiation, however, the counts of sperinatids amd spermatozoa also showed some sign of decrease in number as compared to the cont-rols, indicating that they are likewise sensitive to some extent. Besides, the seminiferous tubules evidently underwent shrinkage, as a result of which the number of Sertoli cells per cross section unit arou appeared to increase correspondingly, though such cells rarely multiply. That there exists such an apparent relationship between the reduction in the number of germ cells on one hand and the shrinkage of sominiferous tubules with the corresponding increase in the number of Sertoli cells on the other may be taken as a useful index of radiosensitivity. 3. The data on the quantitative chinges relative to the cells at different stages of spermatogenesis at variousintervals after irradiation are suggestive also of a phenomenon of synchronization Whether this is due to the direct lethal effect of X-rays on the spermatogonial cells or to the inhibition of the mitotic divisions can not be ascertained as yet, until when the data on the effect of X-rays upon the different types of spermato- genial cells(type A, iniermediate type and type B) and on the exact stage at which nuclear aberrations occur be available. There exists, however, an apparent heterogeneity in radiosensitivity and in ability to recover between the different parts of seminiferous tubules and among the cells in the different regions of the sarue lumen. 4. The decrease in the total number of cells inclusive of spermatozoa reached to a minimum at the 40th day after exposure to X-irradiation, and the observations on the 50th and 60th day specemens showed that the number ceased to decrease and in fact tend to recove. Hence, it is reasonable to infer that the completion of a single cycle of sper-matogenesis in the monkeys probably takes about 50 days.

1.本实验以弥猴(Macaca mudatta)为材料,用200侖X-射线直接照射睾丸后,在照射后第5,10,20,30,40,50和60天取出睾丸观察各类细胞的数量与形态变化。 2.本文证实了弥猴生殖细胞的辐射敏感性与(?)齿动物的实验结论大体相符。精子发生各个阶段的辐射敏感性随着生殖细胞的成熟而逐渐递减。但在200命X-射线照射后第5天时,精细胞及精子的数量亦开始下降,同样表现有相当程度的敏感性。此外,照射后的精细管呈现出紴缩,因而,支持细胞就相应地增多。在生殖细胞数量减少,精细管切面直经缩小以及支持细胞数量增多三者之间有平行的关系,可以作为幅射效应的一个指标。 3.观察照射后不同天数的各类生殖细胞胞的数量变化,可以看到增减的同步现象。这主要是由于幅射对精原细胞的武接致死效应,还是抑制有丝分裂所造成的,由于我们没有深入分析各种类型的精原细胞,也没有研究畸变等出现在有丝分裂那一时期,所似对之还不能作出肯定的结论。同时我们发现精细管的各个部份和精细管腔内各个区域的辐射敏感性和恢复能力存在着导质现象。 4.200侖X-射线直接照射弥猴睾丸后,第40天时细胞总数及精子均降到最低水平,以后,不再减少逐渐呈现恢复趋势...

1.本实验以弥猴(Macaca mudatta)为材料,用200侖X-射线直接照射睾丸后,在照射后第5,10,20,30,40,50和60天取出睾丸观察各类细胞的数量与形态变化。 2.本文证实了弥猴生殖细胞的辐射敏感性与(?)齿动物的实验结论大体相符。精子发生各个阶段的辐射敏感性随着生殖细胞的成熟而逐渐递减。但在200命X-射线照射后第5天时,精细胞及精子的数量亦开始下降,同样表现有相当程度的敏感性。此外,照射后的精细管呈现出紴缩,因而,支持细胞就相应地增多。在生殖细胞数量减少,精细管切面直经缩小以及支持细胞数量增多三者之间有平行的关系,可以作为幅射效应的一个指标。 3.观察照射后不同天数的各类生殖细胞胞的数量变化,可以看到增减的同步现象。这主要是由于幅射对精原细胞的武接致死效应,还是抑制有丝分裂所造成的,由于我们没有深入分析各种类型的精原细胞,也没有研究畸变等出现在有丝分裂那一时期,所似对之还不能作出肯定的结论。同时我们发现精细管的各个部份和精细管腔内各个区域的辐射敏感性和恢复能力存在着导质现象。 4.200侖X-射线直接照射弥猴睾丸后,第40天时细胞总数及精子均降到最低水平,以后,不再减少逐渐呈现恢复趋势。由此我们推论弥猴精子发生的一个周期大约在50天左右。

In this part,it is shown that the problems of reliability and synchronization

本文以排队理论观点分析研究了自动化装置组合平衡与可靠性问题,并应用这个理论具体分析了格子式转盘料斗与机床组合时的可靠性问题。论文应用具有二个吸收壁推广的随机游动马尔柯夫链,从理论上对具有二项式分布输入常量服务时间、有限队伍的排队系统作了近似分析,提出了决定组合系统可靠性及中间储备量的数学方法,并进行了实验验证。作者认为,本文论点可进一步扩大应用于研究一般自动化装置或自动机组合系统(例如自动线)的平衡与可靠性问题。后者将在另一文中讨论。

 
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