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幼体生长
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  larval growth
     The larval growth specificity and feeding observation of Chinese mitten crab
     中华绒螯蟹幼体生长特性及投饵量的观察
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     The authors have found out the time-series of the spawning season,embryonic development and larval growth of Strongylocentrotus nudus,has a good command of induced spawning and artificial insemination and put forward a series of technical measures for rearing larval and juvenile sea urchins.
     作者摸清了光棘球海胆的繁殖季节、胚胎发育及幼体生长时序,掌握了诱导产卵和人工授精技术,对浮游幼体及稚海胆的培育提出了一系列的技术措施.
短句来源
     ,in the range of 25℃ to 31℃ the larval growth increased with increasing temperature,and in extreme temperature the larval growth was curved down in an obvious extent.
     在高低极端温度下, 胚胎发育畸形而死亡。 幼体生长发育与温度的关系呈Logitic曲线关系, 即25℃~31℃时, 幼体生长速率随温度升高而加快;
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     Effect of Cadmium on Growth and Development in Larval Rana Chensinensis and Rana Nigromaculata
     镉对中国林蛙(Rana Chensinensis)和黑斑蛙(Rana Nigromaculata)幼体生长发育的影响
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     Results showed that the optimal range of salinity for larvae survival and development was between 20. 5 to 28. 5,and temperature between 22 C to 32 C.
     适宜于文蛤幼体生长、存活和变态的盐度范围在20.5—28.5之间,温度范围在22—32℃之间。
短句来源
     Effects of salinity (4、7、10、13、16、19、22、25 ) on breeding of Macrobrachium rosenbergii were determined at the water temperature of 30 .The results showed that M. rosenbergii grew normally and metamorphic time was 18 1 days with salinity ranging from 7 to 13 . However, either higher or lower salinity resulted in longer metamorphism and lower survival.
     在水温30的条件下,用8个盐度梯度(4、7、10、13、16、19、22、25)的育苗用水进行罗氏沼虾人工育苗对比试验,结果表明:在7 ̄13的盐度范围内,罗氏沼虾幼体生长发育正常,变态时间均值为181d,而过高或过低盐度明显延长变态时间,且存活率很低;
短句来源
     According to growth of larvae and the amylase adaptability to amylum, it can be concluded that the appropriate amylum level of diet of ZiM is 18%, 22%, 18%, 18-22%, 18%, 14-18%.
     结合幼体生长发育和淀粉酶对淀粉的适应性,Z_1→M各期幼体的淀粉适宜含量18%、22%、18%、18-22%、18%、14-18%,
短句来源
     According to growth of larvae and the lipase adaptability to lipid, it can be concluded that the appropriate lipid level of diet of Z3M is 6%, 6%, 6%, 8%.
     结合幼体生长发育和脂肪酶对脂肪的适应性,认为中华绒螯蟹幼体Z_3→M各期幼体的最适含量适6%、中华绒鳌蟹幼体营养生理的研究6%、6%、8%。
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  相似匹配句对
     STUDY ON THE GROWTH CHARACTERISTICS OF JUVENILE CHERAX QUADRICARINATUS
     澳大利亚红螯虾幼体生长特性的研究
短句来源
     The Effect of Different Concentration of Salinity on Growth and Development of Zoea of Chinese Mitten Crab
     盐度对河蟹幼体生长发育的影响
短句来源
     growth of diameter ,height and volume;
     材积生长
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     Growth of Order
     秩序的生长
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  larval growth
Considerable differences were found in salinity tolerance of adult periwinkles, larval growth and survival, and morphology of the egg capsules.
      
A temperature of 20°C promoted an enhanced larval growth and development.
      
Though a temperature of 20°C caused enhanced larval growth, the temperature was not optimal, while its effect caused quality diversity of larval development, owing to the difference in their growth rates.
      
In turn, anomalies of the mouthparts have an effect on the rate of larval growth and development and on the survival of tadpoles in the period of the metamorphic climax.
      
None antiparasitic effect of ABCD on larval growth was determined.
      
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The gametophytes of Macroeystis pyrifera were cultured at 3000 Lux and divided into 6 groups according to the photoperiod of 4L:20D、8L:16D、10L:14D、 18L:6D and 24L:0Dhr per day.The Macrocystis sporophytes were divided into 3 groups according to different light intensities of 500,2000 and 3000 Lux.Water temperature was 10—12℃.The results are as follows. 1.The photoperiods didn't have much effect on embryonic spore's germi- nation and gametophytes formation.Suitablephotoperiod of growth was 8—14hr for female gametophytes...

The gametophytes of Macroeystis pyrifera were cultured at 3000 Lux and divided into 6 groups according to the photoperiod of 4L:20D、8L:16D、10L:14D、 18L:6D and 24L:0Dhr per day.The Macrocystis sporophytes were divided into 3 groups according to different light intensities of 500,2000 and 3000 Lux.Water temperature was 10—12℃.The results are as follows. 1.The photoperiods didn't have much effect on embryonic spore's germi- nation and gametophytes formation.Suitablephotoperiod of growth was 8—14hr for female gametophytes and 8—24hr for male gametophytes.Suitable photoperiod of development for female gametophytes was 8—14hr per day,the optimum photoperiod was 10hr.Suitable photoperiod of development for malegametophy- tes was 8—24hr per day. 2.Illumination time required by the growth of the young sporophyte increased with a decrease of light intensity.At 3000 Lux,suitable photoperiod for the growth of young sporophyte was 8—12hr per day,with the optimum photoperiod of 10hr.At 2900 Lux,the illumination of a little less than 16hr was appropriate.At 500 Lux,the optimtm photoperiod for growth of young sporophyte was 20hr.Too short illumination time would inhibit the growth of young sporophyte,while too long illumination time would seriously bring about plant's colour changing white or death. 3.We first found that the growth of young sporophyte at 500 Lux and 20 illumination hours grew much faster in length and width than that at 3000 Lux and 10 illumination hours.As mentioned above,we think it is suitable for us to choose a lower light intensity and longer illumination time during eluturing young sporophytes.Hence it is optimal to culuture them at 500Lux and 20 illumination hours per day.

巨藻 Macrocystis pyrifera 配子体实验是在光强3,000勒下进行,以每日光照时间分为4、8、10、14、18和24小时等6组,孢子体实验以光照强度分为500、2,000、3,000勒3组。水温均为10~12℃。所得结果: 1.在光强3,000勒下,光照时间对巨藻胚孢子萌发和配子体形成的影响不大,每日光照8~14小时是雌配子体生长的适宜光照时间,雄配子体为8~24小时。每日光照8~14小时是巨藻配子体发育的适宜光照时间,每日光照10小时为最佳光照。雄配子体发育的适宜光时为每日光照8~24小时。2.巨藻幼孢子体所需要的光照时间,随光强的减弱而相应地延长。幼孢子体生长在3,000勒下,以每口光照8~12小时为宜,10小时为最适光照。在2,000勒下,每日光照略短于16小时为宜。500勒下,以光照20小时为最适光照。过短的光照限制了幼体的生长,光照过长引起严重白化死亡。3.首次发现巨藻幼孢子体在光强500勒每日光照20小时下,其长宽生长速度大大超过生长在光强3,000勒,每日光照10小时的藻体。据此认为,对巨藻幼孢子体培养的光照强度和光照时间,选用低光强长光照为宜,以500勒每日光照20小时最好。

The reproduction Period of Atrina (Servatrina) pectinata (Linnaeus) is from May to September, with the peak period in July. In the reproduction period, ripen spermatozoon and egg can be obtained by artificial inducement. The embryo may develop normally to the stage of D larval stage in water of 23—30℃. Being fed with a mixture of Chaetoceros calcitrans, Dicrateria zhanjiangensis and platymonas subcordiformis, the larvae may develop into spats succesively after 23 to 47 days of cultivation in water of about 28—30℃...

The reproduction Period of Atrina (Servatrina) pectinata (Linnaeus) is from May to September, with the peak period in July. In the reproduction period, ripen spermatozoon and egg can be obtained by artificial inducement. The embryo may develop normally to the stage of D larval stage in water of 23—30℃. Being fed with a mixture of Chaetoceros calcitrans, Dicrateria zhanjiangensis and platymonas subcordiformis, the larvae may develop into spats succesively after 23 to 47 days of cultivation in water of about 28—30℃ and 28.0‰. After 40 to 60 days of cultivation, the spats will be 3367.3×1606.9 to 7767.9×3270.0 μm (length×height). In the process of cultivation, observations have been made on the development of "larval membrane", vertical distribution of larvae, the features of shell evolution in the growth and develoPment and, the attachment habits of the spats. All these observations may provide scientific basis for artificial sparing of Atrina (Servatrina) pectinata (Linnaeus).

本文就櫛江珧的繁殖习性、人工催产、胚胎和幼体生长发育进行初步探索,并对幼虫形成“幼虫膜”、幼虫垂直分布、幼虫发育过程中壳形变化特征及稚贝的附着习性等进行了观察。

Effects of temqerature on hatching of zygotes and growth of sqats of the potamocorbula amurensis have been investigated. The results obtained showed that the suitable development temperatures range from 21.5℃ to 25.4℃. In this range of temperatures the spats graw rapidly aud the survival rate reaches above 80%, and the optimum temperature is 24.5C、

本文叙述了在室内挂制条件下,温度对黑龙江河兰蛤受精卵孵化和幼体生长发育的影响。发现兰蛤受精卵孵化和妨体生长发育的适宜水温为21.5~25.4℃,其中以24.5℃为最隹。在此温度范围内,受精卵孵化发育形成D形幼体,幼体生长迅速,成活率高达80%以上。

 
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