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昼夜活动
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  daily activity
     Daily activity frequency (hour mean) in spring, summer, autumn and winter were 55.29±32.97%, 46.42±37.24%,48.21±35.80%, 47.75±32.21%,respectively. They were similar at different seasons (F=0.32
     不同季节其昼夜活动节律有较大的变化。 春、夏、秋、冬 4季每天单位时间的平均活动频率分别为 :5 5 2 9± 3 2 97%、 46 42± 3 7 2 4%、 48 2 1± 3 5 80 %、 47 75± 3 2 2 1% ,季节差异不明显 (F =0 3 2
短句来源
     DAILY ACTIVITY RHYTHM AND TIME BUDGET OF GOLDEN TAKIN IN SPRING AND SUMMER
     秦岭羚牛春夏季昼夜活动节律与时间分配
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     Daily Activity Rhythm and Time Budget of Sichuan Sika deer (Cervus nippon sichuanicus) in Spring
     四川梅花鹿春季昼夜活动节律与时间分配
短句来源
     Daily Activity Rhythm and Time Budget of Sichuan Sika Deers
     四川梅花鹿的昼夜活动节律与时间分配
短句来源
     DAILY ACTIVITY RHYTHM OF GIANT PANDA
     大熊猫的昼夜活动节律
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  “昼夜活动”译为未确定词的双语例句
     The daily movement distance is about 14±2.87km and its width is 10.4±1.26km.
     每昼夜活动距离为14.03±2.87km。
短句来源
     Characters of activity during daytime and night time were different in seasons. The adults were active at 8∶00 and 18∶00~20∶00 in summer(July,August)and at 14∶00 in fall(Sept).
     昼夜活动节律在不同月份存在一定的差异,夏季气温高时成虫多在早晨(8∶00)和傍晚(18∶00~20∶00)温度相对较低时活动; 秋季则集中在中午(14∶00)温度较高时活动,其它时间为取食和隐匿休息时间。
短句来源
     The average thickness of the retinal is approximately 205μ and the area of the whole retinal is about 312mm 2. The proportion among the out nuclear layer, inner nuclear layer and ganglion cell layer is 2.5∶6∶1. At least four types of photoreceptors could be identified in the retinal red rod, green rod, single and double cone.
     结果表明 :1)视网膜平均厚度为 2 0 5μ ,视网膜面积平均为 312mm2 .2 )外核层、内核层和神经节细胞层三个核层细胞数之比为 2 .5:6 :1,这表明北京鸭视网膜属于昼夜活动动物视网膜类型 .
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     The behaviour rhythm days and nights has been observed involving the does of Saanen (S) and Saanen×Sichuan Tong Goat (Chengdu Mah Goat) (Fi) and S×F_1(F_2) at stall feeding.
     观测沙能、沙能×成都麻羊(四川铜羊)(F_1)和沙能×(沙能×成都麻羊)(F_2)三种不同类型舍饲母羊的昼夜活动节律。
短句来源
     There were no significant differences of activities between day and night in the 0- 8 day old larvae (t=-1.48, P=0.142).  But for the 9to 14dayold larvae, they were more active at day time than at night. Fourteen days later, there were no significant differences of activity between day and night again.
     0~8日龄的仔鱼昼夜活动差异不明显(t=-1.48,P=0.142),9~14日龄时,夜间活动明显强于白天(t=-6.95,P=0),14日龄以后,昼夜活动差异不显著(t=0.05,P=0.96)。
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  相似匹配句对
     DAILY ACTIVITY RHYTHM OF GIANT PANDA
     大熊猫的昼夜活动节律
短句来源
     Activities
     活动
短句来源
     Daily Activity Rhythm of Captive Red Pandas(Ailurus fulgens)
     圈养小熊猫的昼夜活动节律
短句来源
     Activity Show
     活动展示
短句来源
     diurnal variation;
     昼夜变化;
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  nyctohemeral
- In the normal dog, HB 419 administered over a four-month period resulted in a decreased fasting glycaemia, as well as a decrease of the entire nyctohemeral glycaemia curve.
      
In the present study we show that thymus type II thyroxine deiodinase activity exhibits a nyctohemeral profile, with basal values during the day and high values at night.
      
Nyctohemeral rhythmicity of type II thyroxine 5'-deiodinase activity in the pineal gland but not in the Harderian gland of the S
      
Pineal 5'-D activity exhibited a nyctohemeral profile with a maximal peak value at 05.00 h, which coincides with that for pineal melatonin production.
      
Chronic ethanol intake resulted in a significant decrease in the rate of rat ponderal growth and an impaired nyctohemeral profile of pineal N-acetyltransferase (NAT) activity.
      
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  daily activity
Daily activity of the mandarin vole (Lasiopodomys mandarinus) under laboratory conditions
      
Daily Activity and Mobility of the Common Shrew (Sorex araneus L.)
      
Data on the daily activity and mobility of the common shrew (Sorex araneusL.) were obtained by the method of animal marking and recapturing in test plots.
      
Individual home ranges of both species overlap, and the patterns of their daily activity are synchronous.
      
The labile daily activity rhythms allow the dragonflies to avoid the effects of unfavorable conditions.
      
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Following the report made in 1958, continuous studies were carried on during, 1959--1961in the cotton growing regions of Hupei, Honan, Yunnan and some other provinces. This papermainly deals with the following aspects: geographical distribution of the generations, activities inthe period of late autumn to next spring, different nutritional conditions in relation to develop-ment, selection of host plants by moths, some characteristic habits of adult and larva, some moreimportant factors of outbreak, and some...

Following the report made in 1958, continuous studies were carried on during, 1959--1961in the cotton growing regions of Hupei, Honan, Yunnan and some other provinces. This papermainly deals with the following aspects: geographical distribution of the generations, activities inthe period of late autumn to next spring, different nutritional conditions in relation to develop-ment, selection of host plants by moths, some characteristic habits of adult and larva, some moreimportant factors of outbreak, and some key points of control. The generations produced in different regions may be classified into four belts: 1. Three-generation-belt——localized at 40°N northword; 2. Four-generation-belt——between 32--40°N; 3Five-generation-belt——25—30°N; 4. Six-generation-belt——generally resided at 25°N southword.There are a few instances of seven generations. Of adult and larval development, different results were obtained from different nutritional con- ditions. When larvae fed with the reproductive organs of cotton plant, their growth rate wasfaster, mortality lower and pupal weight also heavier. The food of adult stage is very important to its fecundity. The highest fecundity was foundwhen the moths fed with pollen of cotton flower and 10%. water diluted honey. However, 10—30% cane suger solution was also good. It seems that the moths are highly selective in visiting plants. They visit onions for takingfood from the onion flowers and peas for laying eggs only. The cotton plant is an importanthost for egg laying, but not a favorable food plant for the adult. On the other hand, the sunflower is a good food plant, for adult but not a favorable host for oviposition. There are three main times of adult flight. In the evening, about 19:30—20:30 PM, theadults fly for feeding and oviposition. Mating flight was found at about 1:30—4:00 AM. Atdawn, it was very inactively. Some points of larval habits are needed to mention: The egg hatches mostly at 12:00--18:00PM. The molting period is mostly at night. There is a resting period before molting. The restingperiod of larva becomes longer following its instar increases. The larva always molt outside theboll, and after molting, it usually bores into a new boll to feed which takes place ordinarily at5:30--12:00 AM. The third to sixth instar larvae possess a very large feeding capacity, the averagetotal is about 22.3 squares, flowers and bolls. The basic overwintering pupal population is closely related to the population of first generationin the next spring. The amount of rainfall directly effects the population of various generationsof cotton bollworms. Generally, when the annual amount of rainfall in the Yellow river cottoncultivating region is higher than ordinary year, or when the amount of rainfall in Yangtze riverregion is lower than ordinary year, and the relative humidity of both regions usually keeps around80% which will then very favorable to the cotton bollworms. Storm may wash off and kill theeggs and the young larvae. Due to rainfall in the pupal stage, soil contains too much water whichis unfavorable to the pupae and also to the emergence of moths. According to the various environ-mental conditions, the population of the cotton bollworm in Yellow river region maybe classified into four types: 1. Up grade type——population gradually increases from the firstto the last generation. 2. Down grade type——population decreases in each 3. Midhump type——The highest peak locates in the middle generation. 4. Saddle type——The population of the middlereaches the lowest and much higher at both ends. Besides the chemical control, some other aspects are considered more important in checkingthe population of cotton bollworms. They are the elimination of overwintering pupae by meansof various methods, the destruction of honey producing flower plants in spring in order to elimi-nate the food sources of adults, the attraction of moths by means of different kinds of light andalso the tree stick bundle method, etc.

继续1958年棉铃虫研究工作报告之后,1959—1960年又进一步在湖北、河南和云南等省作了研究,本文主要包括棉铃虫的世代分布带,晚秋、冬春活动情况,不同饲料对生长发育的影响,成虫对寄主植物的选择,成虫和幼虫活动的规律性,大发生的特点和防治关键。 其发生世代大致可分四个地理带:1.40°N以北,约发生3代;2.32-40°N是4代区;3.25-32°N是5代区;4.25°N以南一般6代,个别地区7代。如化蛹后5天以上其眼域外缘的4个小斑点没有变化,即为休眠蛹。 不同食料条件对成虫和幼虫生长发育影响很大。幼虫取食植物的繁殖器官,营养良好,则死亡率低、生长快、蛹较重、成虫繁殖力也高。成虫补充营养不同,其产卵量有显著差异,喂以棉花花粉加10%蜂蜜水产卵最高,单喂10—30%蔗糖水也很好,蔗糖太浓或单喂各种花产卵都降低,喂以植物营养器官则产卵很少或不产卵。 成虫对不同寄主植物有选择性。可分为取食寄主、产卵寄主、取食兼产卵寄主。如大葱、洋葱等则仅取食而不产卵;而豌豆等是产卵寄主,未见成虫取食;棉花等以产卵为主;向日葵等则以取食为主,产卵较少。成虫产卵对棉株生长势也有选择,一般棉株生长茂盛,颜色浓绿、组织幼嫩、蕾、花和嫩...

继续1958年棉铃虫研究工作报告之后,1959—1960年又进一步在湖北、河南和云南等省作了研究,本文主要包括棉铃虫的世代分布带,晚秋、冬春活动情况,不同饲料对生长发育的影响,成虫对寄主植物的选择,成虫和幼虫活动的规律性,大发生的特点和防治关键。 其发生世代大致可分四个地理带:1.40°N以北,约发生3代;2.32-40°N是4代区;3.25-32°N是5代区;4.25°N以南一般6代,个别地区7代。如化蛹后5天以上其眼域外缘的4个小斑点没有变化,即为休眠蛹。 不同食料条件对成虫和幼虫生长发育影响很大。幼虫取食植物的繁殖器官,营养良好,则死亡率低、生长快、蛹较重、成虫繁殖力也高。成虫补充营养不同,其产卵量有显著差异,喂以棉花花粉加10%蜂蜜水产卵最高,单喂10—30%蔗糖水也很好,蔗糖太浓或单喂各种花产卵都降低,喂以植物营养器官则产卵很少或不产卵。 成虫对不同寄主植物有选择性。可分为取食寄主、产卵寄主、取食兼产卵寄主。如大葱、洋葱等则仅取食而不产卵;而豌豆等是产卵寄主,未见成虫取食;棉花等以产卵为主;向日葵等则以取食为主,产卵较少。成虫产卵对棉株生长势也有选择,一般棉株生长茂盛,颜色浓绿、组织幼嫩、蕾、花和嫩叶多则产卵多,反之则少。 成虫昼夜活动有一定规律性,从飞翔看来,可分为三个主要阶段:黄

1) The activity rhythms of the spotted bollworms Earias fabia, E. insulana and E. cupreoviridis were studied in Lukiang, Yunnan and Kingchow, Hupeh. The following aspects may be summarized as behavioral similarities in these three species:a) The hatching time of the larvae took place mostly between 6 and 8 o'clock in the morning.b) The larvae fed at daytime and particularly at the periods of 8:50 to 12:00 A.M. and 16:00 to 18:00 P.M.c) Molting took place usually in the night.d) The feeding of the moths did not...

1) The activity rhythms of the spotted bollworms Earias fabia, E. insulana and E. cupreoviridis were studied in Lukiang, Yunnan and Kingchow, Hupeh. The following aspects may be summarized as behavioral similarities in these three species:a) The hatching time of the larvae took place mostly between 6 and 8 o'clock in the morning.b) The larvae fed at daytime and particularly at the periods of 8:50 to 12:00 A.M. and 16:00 to 18:00 P.M.c) Molting took place usually in the night.d) The feeding of the moths did not begin until one to three days after emergence and they usually fed more greedily after sunset.e) Oviposition took place alternatively with feeding and frequently at the time shortly after sunset. Most eggs were laid on the 6th to 9th days after emergence.f) Mating were not observed until the second day after emergence and it seemed that the most favorable time was shortly before dawn.2) In Lukiang, before 1957 the cotton was cultivated as a single crop a year, and the cotton was sown in the spring. Under this cultivation system, the damage of the spotted bollworms was not very serious. The population of each species of these spotted bollworms ranked according to the following sequence: E. insulana, E. fabia, E. cupreoviridis. After 1958, the cotton cultivation system in Lukiang was changed and the cotton was sown not only in the spring but also in the summer and autumn. There were plenty of ratoon cotton remaining in the field which provided a very favorable condition for the multiplication of the spotted bollworms. The population sizes were ranked in the order : E. fabia, E. insulana, E. cupreoviridis. In 1961, however, the cotton was sown in the spring only, and the ratoon cotton was also controlled in the fields. Then, the population of E. insulana became greatly increased and dominated over the other two species.

1.鼎点金钢钻各虫期的昼夜活动有一定节律:孵化在白天,以6:00—8:00为主:幼虫取食多在白天,以8:50—12:00和16:00—18:00为主;幼虫蜕皮多在夜间,以20:00—23:00为主;成虫取食和产卵交互进行,日落后2/小时是高峰;交配多在下半夜,以4:00—5:00为主。 成虫一生的取食、交配和产卵,也有其节律性。取食以羽化后第一至第三天为多:交配多在第二天晚上;第六至第九天是产卵高峰。 翠纹金钢钻和埃及金钢钻的活动节律与鼎点金钢钻相似。了解其活动情况,对开展防治有一定参考意义。 2.随着栽培制度的改变,从1957—1962年,在云南省保山潞江棉区翠纹金钢钻和埃及金钢钻种间优势有截然不同的变化:1957年以前,该地是一年一季棉花,棉田中以埃及金钢钻为主Z从1958年开始,改种多季棉(春播、夏播、秋播和再生棉等),到1960年翠纹金钢钻则占绝对优势;1961年又改为一季棉,到1962年埃及金钢钻又复上升为优势种。 云南几个棉区,在同一年内,都表现为在湿季翠纹金钢钻比例大,干季埃及金钢钻又相应增加。 在长江流域大部棉区,棉花生长前期以鼎点金钢钻为主,后期则以翠纹金钢钻为主。

In captivity, the Chinese freshwater dolphin (Lipotes vexillifer) prefers swimming in circles or in the course of " 8 " near the tank wall. During the first twenty days in captivity, it obviously swam anticlockwise, but later on, it swam either clockwise or anticlockwise. Besides normal swimming posture, it also swims on its side and its back. Tumbling, leaping, upright standing and standing upside down, floating or gliding are often observed.The duration of breathing process itself is very short, only about...

In captivity, the Chinese freshwater dolphin (Lipotes vexillifer) prefers swimming in circles or in the course of " 8 " near the tank wall. During the first twenty days in captivity, it obviously swam anticlockwise, but later on, it swam either clockwise or anticlockwise. Besides normal swimming posture, it also swims on its side and its back. Tumbling, leaping, upright standing and standing upside down, floating or gliding are often observed.The duration of breathing process itself is very short, only about one second. In general, only the melon and the blow-hole are out of water when the animal breathes and its body axis is at an oblique angle to the horizon. Sometimes, spouting begins at about half a meter under water surface, and inhaling is completed when it is gliding with its body axis almost horizontal on the surface. The breathing activity, as a rule, is of slow motion.The duration between spouts is uneven. Following two to four times of short duration (10—30 seconds), there occurs a long duration (50—100 seconds) and the action goes on alternately.The animal began to feed five days after being caught. It swims anticlockwise on its left side toward the prey, with its snout is on the left or right side of the latter. As soon as it approaches the prey it quickly snaps it and adjusts the position of the prey between its jaws so that the head of the victim is pointing backwards. When the dolphin catches a. prey, its body axis is seldom observed in straight line with the latter

在豢养条件下,白鱀豚的游泳除背向上正常姿态外,尚有侧游、仰游、滚游、跳跃、直立、浮卧和滑行多种型式。呼吸间隔时间不均匀,最短5秒,最长243秒,呼吸率为109—143次/小时。它的昼夜活动表现出明显的“激烈活动”和“平缓活动”两种状态,后者可能是一种休息方式。

 
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