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salinity and temperature
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     Retrieval algorithm for seawater's salinity and temperature by L and S band microwave remote sensing
     L/S波段微波遥感海水盐度和温度的反演算法
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     Preliminary study on seawater salinity and temperature distributions and their relationship with the squid fishing grounds in 175°W - 170°W area of North Pacific
     北太平洋西经海域(175°W-170°W)温盐分布及其与柔鱼渔场关系的初步研究
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     The growth and survival of Artemia sp. under different salinity (20‰、15‰、10‰、5‰、2. 5‰) and at different temperature (20℃、24℃、28℃、32℃ ) were studied. The experiment results show that the alternate effects of salinity and temperature is outstanding.
     研究卤虫(Artemia sp.)在不同盐度(20‰、15‰、10‰、5‰、2.5‰)和不同温度(20℃、 24℃、28℃、32℃)中的生长及存活状况,显示出盐度和温度的交互作用显著。
     The salinity and temperature of medium in rock formation are calculated by δ 18 O and δ 13 C of alteration rocks and unalteration rocks,which provides reliable evidence for discussing the formation environment of different rocks.
     据远矿围岩和近矿蚀变围岩的δ18O和δ13 C ,计算了岩石形成时的介质温度、盐度 ,为讨论不同岩石的形成环境提供了有力的佐证。
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     Turbidity,horizontal and vertical current speeds,echo intensity,water depth,salinity and temperature were observed using OBS-3A and ADP-XR during a spring—neap period,on 17~24 August 2004.Meanwhile,suspended and bed sediments were sampled for grain size analysis.
     于2004年8月17~24日在胶州湾北部红岛潮滩上用OBS-3A和ADP-XR观测了水深、浊度、水平和垂直流速、回声强度、波浪、盐度、水温等水文泥沙要素,同时采集了悬沙和底沙样品作粒度分析.
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  相似匹配句对
     2. salinity;
     2.盐渍度;
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     ⑦salinity;
     ⑦含盐量 ;
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     The adptability of M.nipponense to salinity and pH
     日本沼虾对盐度和pH适应性的研究
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     THE DISTRIBUTION AND VARIATION FEATURES OF THE SALINITY
     盐度的分布及变化特征
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     Temperature and Salinity Characteristics of the Kuroshio at Section E
     E断面上黑潮温、盐特征
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  salinity and temperature
In a water column with a temperature or salinity gradient, the early larvae accumulated at the surface even when the salinity and temperature conditions were incompatible with their life activity.
      
Changes in Resistance to Salinity and Temperature in Some Species of Polychaetes from the White Sea in Early Ontogenesis
      
At an average salinity and temperature of 34 ± 1‰ and 24 ± 1°C, the megalopa was attained 17 days after hatching.
      
Study of salinity and temperature tolerance limits regarding four crustacean species in a temporary salt water swamp (Lake Zima,
      
Annual fluctuations in salinity and temperature can explain the long-term variations in C.
      
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Temperature and salinity show a marked influence upon the incubation perindand nauplius development. If the temperature is higher, the larval development willbe faster and the time needed is shorter. When the eggs and nauplius are placed under the same salinity conditions, andsuitable temperature, the larvae are strong, and the survival rate is high. The mostsuitable temperature for hatching and nauplius stage is 28°±0. 5℃, but water tempera-ture of 35. 5°±0. 5℃ is harmful to the hatching and larval development....

Temperature and salinity show a marked influence upon the incubation perindand nauplius development. If the temperature is higher, the larval development willbe faster and the time needed is shorter. When the eggs and nauplius are placed under the same salinity conditions, andsuitable temperature, the larvae are strong, and the survival rate is high. The mostsuitable temperature for hatching and nauplius stage is 28°±0. 5℃, but water tempera-ture of 35. 5°±0. 5℃ is harmful to the hatching and larval development. If the water salinity is 28. 59‰ to 35. 43‰, the hatching rate is high and the lar-vae are robust. In 20.81‰ salinity, eggs can not be hatched out. In 40.38‰ salinityand temperature at 24°± 0. 5℃ to 28 ±0. 5℃, although incabation is possible but larvaehatched are so weak that they are unable to swim. At the temperature 35. 5°±0 .5℃and the salinity 40. 38‰, the eggs can not be hatched. The nauplius can develop into zoea when the water salinity in 23. 15‰, 28. 59‰or 35. 45‰. In salinity 40. 38‰, the nauplius can develop into zoea, but they are una-ble to swim and the suvival rate is low. In suitable salinity and temperature hatching is comparatively fast, the survival rate is higher.

长毛对虾(Penaeus penicillatus Alcock)是南海重要的经济虾类之一。为了更好地掌握其人工繁殖技木,作者进行了16组不同温、盐度与卵孵化及无节幼体发育关系的实验。结果表明:在供实验的四组水温中,以28±0.5℃为最好,幼体健壮,成活率高;其次为32±0.5℃,再次为24±0.5℃;35.5±0.5℃对孵化发育有害。海水盐度以28.59‰为最佳,其次为35.45‰,再次为23.15‰。20.81‰卵不能孵化;40.38‰对卵和无节幼体发育不利。在相同的温、盐度条件下,卵及无节幼体发育早的体质较好,发育迟的体质较差。温、盐度与长毛对虾卵的孵化及无节幼体发育的关系基本与墨吉对虾的相同。

This article gives an account of the effects of different nitrogenous compounds, urea, nitrate and ammonium, phosphate, silicate, salinity and temperature on the growth and reproduction of the marine diatoms, Skeleionema costatum and Chaetoceros muelleri. 1. Results obtained from using urea, nitrate and ammonium as nitrogenous fertilizers for culturing these two species of diatoms, indicated that urea was the most effective compound and ammonium was the least. 2. The optimum concentration of urea nitrogen...

This article gives an account of the effects of different nitrogenous compounds, urea, nitrate and ammonium, phosphate, silicate, salinity and temperature on the growth and reproduction of the marine diatoms, Skeleionema costatum and Chaetoceros muelleri. 1. Results obtained from using urea, nitrate and ammonium as nitrogenous fertilizers for culturing these two species of diatoms, indicated that urea was the most effective compound and ammonium was the least. 2. The optimum concentration of urea nitrogen was 20 ppm, higher or lower than this level were not fit for the growth and reproduction of the diatoms. 3. In the urea and nitrate media adding suitable amount of silicate might promote the growth and reproduction of the diatoms 4. Chemical analysis of the media having a N:P:Fe ratio of 20:1:1 ppm showed that during the culturing period phosphorus was consumed to its minimum level very rapidly, so the content of phosphate should be increased or the amount of salt be supplemented. But there was still a certain amount of nitrogen left for further utilization 5. Salinity was not the main factor influencing the growth and reproduction of the diatoms when it varied within the range of 10-35‰. It would slightly affect the growth and reproduction at the beginning of inoculation, salinity was liyhtly higher or lower. However, through a short period of adaptation, the rates of growth and reproduction quickly became normal. 6. The optimum temperature for the growth and reproduction of Sheletonema cortatum was within the range of 20 to 25℃ and that of Chaetoceros muelleri was 25 to 30℃.

本文报道了近期对尿素、硝酸盐、铵盐等不同形态的氮、磷酸盐、硅酸盐和盐度、温度等对骨条藻和牟氏角毛藻生长繁殖的影响的研究结果。 1.以尿素、硝酸盐和铵盐三种不同形态的氮素作为培养此两种硅藻的氮肥源,试验证明以尿素的效果最好,其次为硝酸盐,铵盐最差。 2.尿素态氮的浓度以20ppm最适宜,过高过低对硅藻的生长繁殖都不利。 3.在上述前两种氮肥的培养液中,加入适量的硅酸盐,可以促进硅藻的生长繁殖。 4.用氮、磷、铁比例为20:1:1ppm的培养液培养硅藻的测定试验证明,培养过程中磷很快消耗到最低水平,需要提高或补充含量,而氮仍有相当数量的余存量可供利用。 5.在盐度为10—35‰的范围内,盐度的不同并非是影响硅藻正常生长繁殖的主要因素,当盐度略高或略低时,在接种初期有轻微的影响,但经过短期的适应后,很快就转为正常。 6.骨条藻生长繁殖的适温范围为20—25℃,牟氏角毛藻为25—30℃。

The distribution of diatom in the surface sediments of the Huanghai Sea (Yellow Sea) may be divided into 3 characteristic regions: 1. the coastal and intertidal region with a depth of 20-30 m or less, salinity of 30.0‰, never more than 31.0‰, and with the distribution of intertidal species such as Cyclotella stylorum Brightwell and Trice-ratium favus Ehrenbergii; 2. the transition region, including most of the northern Huanghai Sea and the west of the southern Huanghai Sea, depth 'between 30-50 meter, salinity...

The distribution of diatom in the surface sediments of the Huanghai Sea (Yellow Sea) may be divided into 3 characteristic regions: 1. the coastal and intertidal region with a depth of 20-30 m or less, salinity of 30.0‰, never more than 31.0‰, and with the distribution of intertidal species such as Cyclotella stylorum Brightwell and Trice-ratium favus Ehrenbergii; 2. the transition region, including most of the northern Huanghai Sea and the west of the southern Huanghai Sea, depth 'between 30-50 meter, salinity 31.0-32.5‰, and subdivided into Hyalodiscus, Melosira and Actinoptychus three subregions; 3. the neritic region, including the south of northern Huanghai Sea and the east and middle of southern Huanghai Sea, depth more than 50 m, salinity higher than 32.0‰, with a distribution of Coscinodisciis assemblage and extraordinary diatom assemblage occasionally.Light, salinity and temperature are the most important factors influencing the distribution of diatom. Occurrence of the extraordinary diatom assemblage may be related with the paleogeomorphology. All of these may be helpful to the explanation of paleoenvironment with the fossil diatom.

黄海表层沉积硅藻可划分为三个区:(1)滨岸-潮间带区,水深为20—30m,盐度为30.0‰,主要分布着以柱状小环藻为主的潮间带种类;(2)过渡区,包括黄海北部的大部和西南部,水深在30—50m之间,盐度为31.0—32.5‰,本区还可进一步划分为明盘藻、直链藻和辐裥藻三个亚区;(3)浅海区,包括黄海中北部和东南部,深度大于50m,盐度大于32.0‰,分布着以圆筛藻为主的组合,个别海区还见反常硅藻组合。光照、盐度和温度是影响硅藻分布最重要的因素,而反常硅藻组合的出现则可能与古地理条件有关。

 
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