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nuptial
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  婚礼
     Parental investment and sex role reversal:nuptial gift and its effects on sexual selection in katydids
     父方投资与性角色逆转现象:螽斯类昆虫的婚礼食物及对性选择方向的影响
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     This paper summarizes some kinds of insect sexual selection behaviors,including sexual selection relating to body size,chirp,nuptial food and sperm competition and so on.
     本文综述了昆虫的各种性选择行为,包括与个体大小有关的性选择行为、与鸣声有关的性选择行为、与“婚礼食物”有关的性选择行为以及精子竞争等。
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  “nuptial”译为未确定词的双语例句
     Most of the moths become sexually mature after one day of emergence. Their nuptial flight and mating took place from 18:00 to 20:00;
     核桃举肢蛾羽化后24小时后性成熟,婚飞和交配活动主要在18:00~20:00;
短句来源
     During reproduction periods, some white nuptial organs were visible on cheek, orbit, opercular, head and lateral scales in males.
     繁殖季节雄性个体在颊部、眼眶、鳃盖骨、头顶部以及体侧鳞片上出现白色颗粒状的“珠星”,以颊部、鳃盖骨和侧线鳞为最多。
短句来源
     DIVISION AND PREDICATION OF NUPTIAL FLIGHT STAGE OF RETICULITERMES CHINENSIS SNYDER IN SICHUAN BASIN
     黑胸网螱在四川盆地分飞期的划分与预测
短句来源
     A series of experiments wascarried out in the winter, by investigating the area of the nuptial flightholes in the woodland and excavating 30 nests of M. barneyi inJingshishan forestry centre, Dongzhi County: study of the relationshipbetween images of swarming holes and the position of the anthills; study of the intraspecific competition between M. barneyi,Coptotermes changtaiensis Xia et He, Reticulitermes longipennis Wanget Li and Odontotermesfontanellus Kemner;
     黄翅大白蚁(M.barneyi)与长泰乳白蚁(Coptotermes changtaiensis Xia et He)、长翅散白蚁(Reticulitermes longipennis Wang et Li)和囟土白蚁(Odontotermesfontanellus Kemner)种间竞争性,以及长泰乳白蚁(C.changtaiensis)、长翅散白蚁(R.longipennis)和囟土白蚁(O.fontanellus)3种白蚁相互间抑制性的研究;
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     Correlation Between the Changes of Microstructure and Testosterone in Nuptial Pad of the Frog, Rana chensinensis
     中国林蛙婚垫的显微结构变化及其与睾酮的关系
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  相似匹配句对
     The Character Conflicts and the Nuptial Tragedy
     不同层面的个性冲突与婚姻悲剧
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     Ethical Considerations Pertaining to Pre-nuptial Medical Examination
     婚前体检的责任伦理思考
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  nuptial
Variation of male nuptial plumage in the willow ptarmigan Lagopus lagopus L.
      
In male willow ptarmigans, the relationship between qualitative differences between birds belonging to different intrapopulation groups and some individual features of male nuptial plumage has been revealed by studying banded birds.
      
The influence of the time of the onset of spring on the development of nuptial plumage is considered.
      
Osteocephalus leprieurii is remarkable for bearing nuptial excrescences not only on the thumb, but also under the fingers and on the chin.
      
The species differs from other cordylids having a post-nuptial cycle, in that spermatogenesis already commences in spring.
      
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The armyworm is one of the serious pests in our country. In the past two years westudied the general characteristics of reproduction in this migratory insect, such as thegross anatomy of the internal reproductive systems, the sexual scent organs, the nocturnalrhythm of sexual activity, the fecundity and the parthenogenesis, etc. We found thatthe males are provided with the scent brush in the 1st abdominal sternite and the femaleswith sac-like membranes between the 7th and 8th abdominal segments, where the sexualscent...

The armyworm is one of the serious pests in our country. In the past two years westudied the general characteristics of reproduction in this migratory insect, such as thegross anatomy of the internal reproductive systems, the sexual scent organs, the nocturnalrhythm of sexual activity, the fecundity and the parthenogenesis, etc. We found thatthe males are provided with the scent brush in the 1st abdominal sternite and the femaleswith sac-like membranes between the 7th and 8th abdominal segments, where the sexualscent glands are situated. The adults need a sufficient amount of sugar or honey asthe supplementary nutrient for egg-ripening, otherwise, they will soon die. Both the malesand females simultaneously begin their periodic rhythmatic flight activity at 7 p.m. justas the sun sets. The maximum egg number is 1943 in our experiments, while theaverage egg number is about 800--900. Although the parthenogenetic females, whichhad been isolated artificially, would lay their eggs, all the parthenogenetic eggs did nothatch out in out experiments. By considering the related facts existing between migration and reproduction of thearmyworm, we suggest that the nuptial flight may be the initial cause of migration ofthis insect. The characteristics of relationship between the reproductive activity and themigration are as follows. i. Both the males and females are flying simultaneously, andthis is regulated by the internala periodic rhythm; ii. The females accompany the malesto fly away in swarms, presumably each attracting the other by the pheromonal stimulusor other means; iii. The migratory flight takes place just before the copulation and ovi-position. From the study on ontogenetic development it was found that the armywormdo not have diapause in any stage. If the armyworm be subjected in larval or pupalstage to the stimulus of unfavorable factor or factors, the adults necessarily migrate to anew habitat suitable for themselves and their offspring.

粘虫生殖腺在蛹期已经发育完成,但雌蛾卵粒内卵黄尚未沉积,需要取食糖类作为补充营养后,才能发育成熟。羽化时雄蛾已具备成熟的精子。取食后能进行交配活动。 成虫寿命一般约15—20天,羽化后即进行生殖活动。其中产卵期比较长。雌雄蛾均在夜间一定时间内进行飞翔、取食、交配、产卵等活动。在本试验中观察到粘虫一生最大产卵量接近2000粒,孵化率超过90%以上。雌蛾经人为地与雌蛾完全隔离后,能产下不受精卵,产卵量稍低,卵粒不孵化。 按照粘虫飞翔与生殖关系看来,粘虫的飞翔活动在性成熟前表现异常激烈。粘虫的飞翔的特征是:(1)由于粘虫羽化后即进入性活动期,雌蛾需要与雄蛾交配方能进行正常生殖活动,雄蛾强烈地追逐雌蛾,因而粘虫在性成熟时有剧烈的飞翔活动。(2)由于内在的生理周期节律的活动以及外激素或其他方法促使异性互相吸引,所以雌雄蛾同时、同在一起飞翔,在交配前或产卵前大规模飞翔。(3)由于粘虫各个虫期无滞育现象发生,粘虫发育所要求温度变化幅度在5—35℃之间,所以当粘虫在幼期遭受某些不利因子刺激后,在成虫期往往引起特殊的反应,促使成虫进行有利于生存的趋避活动,发生迁飞现象,以便达到粘虫为本身或后代选择适宜的生境区域。

1. From May to August of 1963, a herpetological survey was carried out in various places in Kweichow province: Yinchiang (northeast), Leichan (southeast), Kweiyang and vicinity (central part), Anlung and Hsing-i (southwest) and Pachi and Lotien (south).2. 48 species and subspecies of amphibians (more than 4,700 specimens) belonging to 14 genera, 8 families and 2 orders were collected. 4 of the species collected have been found to be new speeies. They are Trituroides caudopunctatus Liu et Hu, sp. DOV., Megophrys...

1. From May to August of 1963, a herpetological survey was carried out in various places in Kweichow province: Yinchiang (northeast), Leichan (southeast), Kweiyang and vicinity (central part), Anlung and Hsing-i (southwest) and Pachi and Lotien (south).2. 48 species and subspecies of amphibians (more than 4,700 specimens) belonging to 14 genera, 8 families and 2 orders were collected. 4 of the species collected have been found to be new speeies. They are Trituroides caudopunctatus Liu et Hu, sp. DOV., Megophrys spinatus Liu et Hu, sp. nov., Vibrissaphora leishanensis Liu et Hu, sp. nov. and Rana anlungensis Liu et Hu, sp. nov. 21 of the speeies have been found to be new records in Kweichow. A species of Tylototriton from Anlung and a species of Vibrissaphora from Yinchiang have not yet been identified.3. 76 species and subspecies of reptiles belonging to 36 genera, 11 families and 2 orders were collected. Among them Oligodon swinhonis tamdaoensis (Bourret) and Achalims ater Bourret are recorded from China for the first time. 59 of the speeies have hitherto not been known in Kweiehow. A species of Gekko has not yet beea identified.4. The taxonomic position of the following species is revised: Molge labiatum Unterstein, synonymized by Pope in 1931, is rectified as Pacllytriton brevipes labiatus (Unterstein). Japalura varcoae (Boulenger), erroneously synonymized by Pope as Japalura dymondi, is considered a valid speeies.5. All the new species presented in this report are described in detail in the Chinese text, with only brief accounts in English given below. Type specimens are preserved in the Herpetological Division of Szechwan Biological Research Institute, Chengtu.(1) Trituroides caudopunctatus Liu et Hu, sp. nov. (Plate II, fig. 5)HOLOTYPE: No. 63II0303, adult male; type locality: Fang-xiang, Lei-shan Hsien, Kweiehow, altitude 1,158 m; May 8, 1963; collected by Wu Kuan-fu and Giang Yao-ming.ALLOTYPE: No. 63II0314, adult female; collected with the holotype.PAEATYPES: 97 , 137 and eggs from Leishan, Kweiehow, altitude 860-1,800m; from April 24 to June 15, 1963.DIAGNOSIS: This new speeies is similar to Trituroides chinensis (Gray) in general body form and in the presence of granular warts on the skin, but differs from the latter in having: 1) the much longer snout; 2) the great flattened fingers and toes; 3) the purplish red rounded or elongated spots enclosed by black rings on the tail of the male.(2) Megophrys spinatus Liu et Hu, sp. nov. (Plate III, fig. 8) HOLOTYPE: No. 63II0615, adult male; type locality: Fang-xiang, Lei-shanHsien, Kweichow, altitude 1,100 m; June 2, 1963; collected by Wu Kuan-fu and Giang Yao-ming.ALLOTYPE : No. 63II0617, adult female ; collected with the holotype.PARATYPES: 17 , 1 and tadpoles collected from the same locality as that of the holotype, altitude 942- 1,800m; from May 8 to June 30, 1963.DIAGNOSIS: This new Megophrys closely resembles M. omeimontis Liu, but differs from the latter in having: 1) vomerine ridge very slender and not dilated at its posterior region; 2) scattered cone-shaped black nuptial spines on the first two fingers of the male; 3) toes with very conspicuous fringes and better developed webs (text fig. 3). M. omeimontis has: 1) vomerine ridge strongly developed at its posterior end as a large knob with tooth-like projections; 2) nuptial asperities in male, not spines; 3) toes without fringes or only slightly indicated and webbed only at the basal region or hardly shown.(3) Vibrissaphora leishanensis Liu et Hu, sp. nov. (Plate III, fig. 9-11) HOLOTYPE: No. 639000, adult male; type locality: Ge-tou of Pang-xiang, Lei-shan Hsien, Kweichow, altitude 1,100 m; October, 1963.PARATYPES: 1 and tadpoles of different stages collected from Leishan, altitude 880-1,800 m; from April 24 to June 28, 1963. In October of the same year, another 16 were collected from the same locality.DIAGNOSIS: This new species is closely related to Vibrissaphora sp. of Yaoshan, Kwangsi.1) The males of these two species have two strong black spines on each side of the upper jaw. But all the males of Vibri

1.本文报导1963年4至8月在黔东的印江(东北部)、雷山(东南部)和黔中贵阳及其附近,黔西的兴义、安龙(西南部),黔南的罗甸等地进行两栖动物和爬行动物区系调查的结果。 2.两栖动物4,700余号,计48种及亚种,隶14属、8科、2目。增加省新记录21种,新种4种:尾斑瘰螈Trituroides caudopunctatus,棘指角蟾Megophrys spinatus,雷山髭蟾Vibrissaphora leishanensis及安龙臭蛙Rana anlungensis。 3.爬行动物1,107号,计76种及亚种,隶36属、11科、2目。增加省新纪录59种;国内新纪录2种:紫棕小头蛇三岛亚种Oligodon swinhonis tamdaoensis(Bourret)及青脊蛇Achalinus ater Bourret;另有种名未确定的壁虎属1种。 4.根据现有资料,两栖动物中恢复Molge labiatum Unterstein并作为肥螈无斑亚种Pachytriton brevipes labiatus(Unterstein);爬行动物中昆明龙蜥Japalura varcoae(Boulenger)应为一...

1.本文报导1963年4至8月在黔东的印江(东北部)、雷山(东南部)和黔中贵阳及其附近,黔西的兴义、安龙(西南部),黔南的罗甸等地进行两栖动物和爬行动物区系调查的结果。 2.两栖动物4,700余号,计48种及亚种,隶14属、8科、2目。增加省新记录21种,新种4种:尾斑瘰螈Trituroides caudopunctatus,棘指角蟾Megophrys spinatus,雷山髭蟾Vibrissaphora leishanensis及安龙臭蛙Rana anlungensis。 3.爬行动物1,107号,计76种及亚种,隶36属、11科、2目。增加省新纪录59种;国内新纪录2种:紫棕小头蛇三岛亚种Oligodon swinhonis tamdaoensis(Bourret)及青脊蛇Achalinus ater Bourret;另有种名未确定的壁虎属1种。 4.根据现有资料,两栖动物中恢复Molge labiatum Unterstein并作为肥螈无斑亚种Pachytriton brevipes labiatus(Unterstein);爬行动物中昆明龙蜥Japalura varcoae(Boulenger)应为一有效种。 5.结合文献资料,全面地分析了贵州省两栖动物及爬行动物区系特征,并提出对地理区划的初步意见。贵州省两栖动物及爬行动物区系属于东洋界,其中以广布华中、华南区的成分为主体。黔东(印江、雷山并包括北部遵义及中部贵阳等地)、黔西(威宁、毕节及安龙、兴义[南部巴结地区除外])与黔南(罗甸及兴义县的巴结)由于经纬度、地形?

Syringophilus bipectinatus lives and reproduces inside the quills of the chic-ken,Gallus Gallus,L.All stages(egg,Iarva,protonymph,tritonymph and,adult)are found within the quill.The primaries,primary coverts,secondaries,alullaand restrices were the most infested feathers.Adult females are the dispersalstage of the chicken quill mite,S.bepectinatus.The dispersing females move th-rough the superior umbilicus into the quill lumen during fether development.Thejnvenal plumage of nestling chickens is the first set...

Syringophilus bipectinatus lives and reproduces inside the quills of the chic-ken,Gallus Gallus,L.All stages(egg,Iarva,protonymph,tritonymph and,adult)are found within the quill.The primaries,primary coverts,secondaries,alullaand restrices were the most infested feathers.Adult females are the dispersalstage of the chicken quill mite,S.bepectinatus.The dispersing females move th-rough the superior umbilicus into the quill lumen during fether development.Thejnvenal plumage of nestling chickens is the first set of feathers entered by fema-les mites dispering from the parents birds,Adult F_1 maleis of S.bipectinatus infes-ting young chickens were first found in juvenal plumages estimated to be 83—84days old.At this time,inseminated F_1 females presumably begin to disperse fromthe juvenal plumage into the developing feathers of the first nuptial plumage.Thedispersal of S.bipectinatus occurs only during 2 periods in the life cycle of thehost,i.e.brooding and molt.The time for development from egg to adult male inthe juvenal plumages has been estimated to be 35—42 days.

鸡双梳羽管螨寄生在鸡的羽管里面,其卵、前期若虫、后期若虫、成虫都在羽管内发现.它寄生在鸡的初级飞羽、次级飞羽、三级飞羽、初级复羽、次级复羽、小翼羽、尾羽、尾部复羽.雌成虫是羽管螨的传播阶段,它从鸡羽管的上脐部分出来,进入新生羽毛未封闭的上脐,又在其中生长、发育、繁殖.雏鸡的稚羽是从成年鸡身上出来的雌成螨侵入的第一套羽毛,稚羽一般感染不厉害,只初级复羽和次级飞羽有些感染,而到第一期婚羽,感染则急剧扩大,上述八种羽毛均可严重感染.雌成螨在雏羽中的第一次发现是在雏鸡孵出后35—42天,鸡双梳羽管螨生活史如下:雌成虫(?)卵(?)幼虫(?)前期若虫(?)后期若虫(?)雌成虫(?)卵(?)幼虫(?)前期若虫(?)后期若虫(?)雌成虫或雄成虫.鸡双梳羽管螨传播仅发生在鸡的孵雏和脱毛期.

 
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