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     Effect of KHAT (Catha Edulis) on Acute Cerebral Infarction with the Relationship to the Dose and Time of Chewing and the Role to Induce Apoptosis Through Smac/Diablo Clinical and Experimental Study
     KHAT(柯特)对急性脑梗死的影响与其咀嚼量及时间的关系通过Smac/Diablo诱导凋亡的临床和试验研究
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     THE STRUCTURE AND DYNAMICS OF SPACE, NUMBER AND TIME OF INSECT POPULATION
     昆虫种群的空间、数量、时间结构及其动态
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     Delay Time of Type Mao-C07 Autoleveller for Domestic Wool
     国产毛C07自调匀整装置延迟时间的探讨
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     DIRECT MEASUREMENT OF RECOVERY TIME OF BDN DYE WITH THE PULSE TRAIN FROM MODE-LOCKED LASER
     用锁模超短脉冲串直接测量BDN染料的恢复时间
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     Determination of Optimum Filtering Time of Intermittent Filter
     间歇过滤机最优过滤时间的确定
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     Results 8 patients were followed up 27 to 77 months after the operation, with an average time of 41 months.
     结果8例术后均获随访,时间为27~77个月,平均41个月。
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     The experimental results demonstrate that the optimal HRT of SBR was 6 h,and the optimal reaction time of SBR was 4 h of hydrolysis acidification-SBR system at the CODcr of influent was 1 250~1 830 mg/L and eduction ratio of SBR was 1∶2,the effluent water was conform to the second grade of the national standard for wastewater discharge(GB 8978—1996).
     试验结果表明,当进水CODcr质量浓度为1 250-1 830 mg/L,水解酸化池的最佳水力停留时间为6 h,SBR在排出比为1∶2,最佳的反应时间为4 h,出水可以达到国家污水综合排放标准(GB 8978—1996)二级排放标准.
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     Results Survival time of xenografts was (2.75±0.43)d in the controls, survival of grafts treated with ICAM-1 mAb did not significantly improve.
     结果:对照组移植心平均存活时间为(2.75±0.43)d。
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     The results showed that when the molar ratio of phenol to ceric ammonium nitrate was 1∶1.05,the yield of 2,4-dinitrophenol was 72% at a reaction temperature of 50 ℃ and a reaction time of 1.5 h.
     最佳反应条件为:苯酚与硝酸铈铵的物质的量比为1∶1.05,反应温度为50℃,反应时间为1.5 h,产率达72%。
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     Under optimal reaction conditions,i. e. :a ratio of n(2,4-dinitrophenol)∶n(potassium hydroxide)∶n(benzyl chloride)∶n(KI)=1∶1∶1.17∶0.81,a microwave power of 320 W and an irradiation time of 3 min,the yield of 2,4-dinitrophenolbenzylether reached 89.28%.
     采用单因素实验法,考察了反应物的物质的量比、微波功率和辐射时间等因素对收率的影响,结果表明:在聚乙二醇200存在下,当n(2,4-二硝基酚)∶n(KOH)∶n(氯化苄)∶n(KI)=1∶1∶1.17∶0.81、微波功率为320 W、辐射时间为3 min时,收率89.28%。
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     DETERMINATION OF THE TIME OF MINIMUM OF RZ Cas
     食变星RZ Cas极小时刻的测定
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     The Shuttle Motion of Type 1511 Looms at the Time of Deceleration
     1511型织机制梭机构的分析
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     THE DEVELOPMENT OF CHROMIUM-DEPLETED ZONE IN 18-8 STAINLESS STEEL WITH TIME OF SENSITIZATION
     18鉻-8镍型不銹鋼中的貧鉻区随着敏化时間的发展
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     The Accuracy and Computing Time of Monte Carlo Simulation of a Signal Detector
     信号检测Monte Carlo模拟的精度和计算时间
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     Investigation on life time of an intracavity sealed off glass wave-guide CO_2 laser
     内腔封离型玻璃波导CO_2激光器寿命的研究
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In a life test with 20 sets of bearings, only one set failed within the specified time, and none of the remainder failed even after the time of test has been extended.
      
Let W be a standard Brownian motion, and define Y(t)=∫0tds/W(s) as Cauchy's principal value related to the local time of W.
      
Under appropriate hypotheses, the global existence and blow-up in finite time of positve solutions are obtained.
      
The processing time of a batch is given by the longest processing time of any job in the batch.
      
It is assumed that the retrial time, service time and repair time of the server are all arbitrarily distributed.
      
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1. All kinds of colonies of Volvox africanus were found in great abundance during the first two weeks of May, 1933, from a pond in Nanking.2. The smallest colony is much smaller than that recorded from Africa and the Philippine Islands.3. The somatic cells are not connected by protoplasmic filaments in adult colonies.4. Asexual colony usually contains from two to six daughters symmetrically arranged in pairs according to size on opposite sides of the polar axis.5. Sexual colonies of different kinds are developed...

1. All kinds of colonies of Volvox africanus were found in great abundance during the first two weeks of May, 1933, from a pond in Nanking.2. The smallest colony is much smaller than that recorded from Africa and the Philippine Islands.3. The somatic cells are not connected by protoplasmic filaments in adult colonies.4. Asexual colony usually contains from two to six daughters symmetrically arranged in pairs according to size on opposite sides of the polar axis.5. Sexual colonies of different kinds are developed from the asexual mother either singly or in combination with other kinds and asexual daughters.6. Parthenogonidia develope very early in young embryos long before the latter become matured and escaped from the mother colony. 7. During the early development of parthenogonidia, at least from first to fifth or sixth divisions, no growth of the whole embryo takes the place while the number of cells increases.8. Spermatogonia attain fully-grown size and begin to divide before the time of the birth of the colony.9. The development of spermatogonium consists of seven successive divisions in forming a bundle or platelet of one hundred and twenty eight spermatozoa or microgametes.10. The number of ovaries in a female colony varies from twelve to fourty six. Generally, the larger the colony, the more the ovaries developed.11. Risexual colonies contain only two or three spermatogonia in addition to fourteen to twenty seven ovaries.12. In general, specimens recorded in Nanking are identical to those from the tropical regions such as Africa and the Philippine Islands.

關於菲洲團走子之分佈,按記載所及。僅限於菲洲,菲列濱,南印度等熱带區域。今在南京發現,於地理分佈上實為一新記錄。此種團走子在羣體成熟之後,其體質细胞間,並無原生質線交相聯絡。無性羣體每含有二至六大小不同成對均置之無性幼羣體。幼羣體在脫離母體以前,往往含有第二代幼體。各種有性羣體,亦自無性母羣體中發達而成。雄性羣體,皆为橢圓形,而較其他羣體為小。雌性羣體中之卵或大配子约有十二至四十六。雙性羣體只含有二或三精原细胞,及十五至二十七卵或大配子。孤性生殖细胞在幼羣體内即發生。當最初五或六次分裂時,细胞雖增加,而幼胎並不長大。精原细胞经七次連續之均等分裂,而成一束一百二十八精子或小配子。

An attempt to observe the spectrum of doubly excited helium by excitation by electron impact, with energies between 500-600 electron volts, is made without success. This and other failures are discussed by considering of the life times of the doubly excited states. An approximate calculation gives for 2s3s3S a life time of the order 10-15 sec, corresponding to a natural width of the level of the order 1000 cm-1. While this accounts for the absence of a line spectrum of doubly excited helium, it renders...

An attempt to observe the spectrum of doubly excited helium by excitation by electron impact, with energies between 500-600 electron volts, is made without success. This and other failures are discussed by considering of the life times of the doubly excited states. An approximate calculation gives for 2s3s3S a life time of the order 10-15 sec, corresponding to a natural width of the level of the order 1000 cm-1. While this accounts for the absence of a line spectrum of doubly excited helium, it renders the former suggestion that the corona lines may be due to it untenable.

(1)日晕光谱线之来源,至今为未决定之问题。Goudsmit与吴大猷曾假设诸谱线乃由氦气双激起原子所生。过去有人企图用实验方法得到双激起氦原子之光谱,未能成功。但有数种实验室内现象,均有人用此假设以解释之。故作者希望在适当情形下得到双激起氦原子之光谱。 (2)由理论上知用电子撞击法造成双激起之可能性甚小,但此可能性之最大值在电子能为300至600electron volts时故作者企图在人为的此种情形下观察双激起氦原子光谱,但结果未能发现。 (3)此种实验结果可从理论方面予以解释。作者由双激起2s3s~3S状态之计算,知其谱线之宽约为1000cm~(-1),故实验时不能观察因此以前关於日晕光谱之解释,亦成疑问。

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

 
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