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filtered sea water
相关语句
  过滤海水
     By adding CaO2 with different concentrations into filtered sea water, the change laws of DO、pH were systematically experimented, and then further experiments were tried on oxygenation during cultivating and transporting Lates calcarifer and Tilapia mossambica.
     系统试验了在过滤海水中加入不同浓度的CaO2后DO、pH的变化规律,以及不同浓度的CaO2对尖吻鲈、罗非鱼的饲养及运输的增氧效果。
短句来源
     If removed from host and placed in filtered sea water, adult worm survived from 8 to 21 hours at 28~30 ℃.
     将离体成虫置于新鲜过滤海水中 ,2 8℃时最长存活时间为 2 1h .
短句来源
     As its basic liquid is the filtered sea water, which can be acquired by 90% locally, therefore it can save the material expenses consumedly, lower the workover cost and increase economic benefit.
     由于该入井液体系基液为过滤海水 ,90 %以上的原料可以就地取材 ,因此节省了材料费用 ,降低了作业成本 ,提高了经济效益。
短句来源
     To determine influence on uptake toxicity of chemical to Artemia, A bioassay using Anemia has determinated the 24h, 48h LC50 for several heavy metals and compounds in filtered sea water.
     用卤虫(Artemia)进行的活体检定已经得出了在过滤海水中几种重金属及其混合物24小时及48 小时的半死致浓度(LC50)。
  “filtered sea water”译为未确定词的双语例句
     Theywere acclimated to the filtered sea water at 17.4 0.3 for bastard halibut and 23.2for large yellow croaker, respectively, but salinity kept at 31 Themain results were summarized as following:
     褐牙鲆和大黄鱼的培育温度分别为17.4±0.3℃和23.2±0.3℃,盐度均为31±0.2‰,遮光静养。
短句来源
  相似匹配句对
     City by The Sea
     海边城市
短句来源
     City by the Sea
     《海边城市》
短句来源
     REFERENCE RADIATION OF FILTERED X-RAYS
     过滤 X-射线参考辐射
短句来源
     (3)Charcoal filtered ADCME.
     3.活性炭滤 ADCME;
短句来源
     Spectrophotometric Determination of Copper Sea Waters
     海水中铜的分光光度法测定
短句来源
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  filtered sea water
Isolated squid stellate nerves and giant fiber lobes were incubated for 8 hr in Millipore filtered sea water containing [3H]uridine.
      
The PCB's were administered as a component of a filtered sea water (FSW) medium.
      
Arbacia punctulata eggs were continuously exposed to various concentrations (0.5, 1, 5, 10 mg l-1) of the PCB mixture, Aroclor 1254 in filtered sea water using reagent grade acetone as a carrier molecule.
      
Even filtered sea water could not be preserved without obvious changes in particle distribution.
      
Acidified and filtered sea water samples which were extracted with petroleum ether and ethyl acetate have been shown to contain a variety of lipid compounds in trace amounts.
      
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Undaria pinnatifida (Harv.) Sur. is one of the important economic seaweeds ofChina. So far it has not yet been brought under cultivation by the artificial method,because there is no effective method to cultivate the sporelings. Although the cultiva-tion of sporelings was successful to a certain extent in the sea, there still exist somehandicaps which hinder the growing of the sporelings. The spores of some other sea-weeds and larvae of various invertebrates adhere to the same substratum on which...

Undaria pinnatifida (Harv.) Sur. is one of the important economic seaweeds ofChina. So far it has not yet been brought under cultivation by the artificial method,because there is no effective method to cultivate the sporelings. Although the cultiva-tion of sporelings was successful to a certain extent in the sea, there still exist somehandicaps which hinder the growing of the sporelings. The spores of some other sea-weeds and larvae of various invertebrates adhere to the same substratum on which Un-daria spores set, and hence they chock the development of the spores of Undaria. Be-sides, the artificial substrata are often washed away by the waves, so the cultivationin the sea is not safe during the summer. Tseng, Sun and Wu (1955) suggested that cultivation of sporelings of Undaria bemade at low temperature. According to our studies the gametophytes of Undaria growwell at 25-27℃, and the temperature of sea water seldom rises above 28℃ at Tsingtao.As temperature is not a limiting factor for cultivating gametophytes, so low tempera-ture method sccms not necessary. We collected the spotes of Undaria in July and culti-vated them in pools indoors.When temperature dropped to below 25℃, the gametophy-tes began to develop into sporophytes. Under good light condition the sporelings grewlarger and denser. When the temperature of the sea water dropped down to 22-23℃,the sporelings were transfered from the pool to the sea. A month later the sporelingsgrew to such sizes as 1.8-2.3 cm. There are three advantages in the artificial cultivation of Undaria sporelings inpools: (1). The temperature of sea water in pools lowers more quickly than the tem-perature of water in the sea after middle autumn. Under lower temperature the youngsporophytes grow larger than those in open sea. (2). Filtered sea water is free fromvarious marine invertebrates, so that Undaria sporelings may grow denser. (3). Thismethod of cultivation in pools is safe, simple and economical along northern Chinacoast.

本文分析了裙带菜海上育苗产生的附着物问题,风浪对筏子的安全影响以及其他技术问题,因而提出了裙带菜育苗与海带相同的方向,以室内培育比较适宜,同时阐明了在室温条件下培育的原因。 实践的结果表明:1.室内水池育苗在每天的最大光强900~1000米烛,水温不超过海上温度,以过滤海水进行培养,裙带菜的配子体可以安全渡夏,秋后可以达到肉眼可见程度的幼苗,而基本不受附着物的危害;2.在水池环境育苗,竹皮比棕绳的育苗效果好,所以竹皮是裙带菜育苗的适宜生长基质;3.水池育苗的幼苗发生稠密,个体大,比海上育苗的幼苗发生量高20~128%。 我们对这一新的育苗法讨论了它的问题,并且认为:1.裙带菜的配子体有耐高温的性能,已为国内外的研究所证实,配子体于室内条件可以发育,也为斋藤报道过,因此配子体在水池渡夏并能培育出幼苗是可靠的。2.这种方法培育出的幼苗可以满足养殖嫩菜或成菜的要求,所以是一种有效的育苗方法。3.水池育苗比海上育苗安全,劳动条件好;比低温育苗成本低。由于水池育苗形式符合海藻培养业的专门经营;又因其技术简易又适于小型分散经营,这种育苗法比海上育苗和低温育苗在我国北方沿海更有广泛的应用价值。

The paper presents the first part of a research work on transfer of radioactive nuclides from sea water to sediments and marine organisms. 137Cs, 184Cs,65Zn,60Co, 59Fe, 54Mn were added to sea water in an aquarium of 1.2 ton, in which the sediments were laid on the bottom. The concentration factors of these nuclides in suspension and sediments were determined, respectively, by means of super-filtering and S-80 multi-analyser with Ge (Li) gamma-ray detector. It was found that the concentration factors of 137Cs...

The paper presents the first part of a research work on transfer of radioactive nuclides from sea water to sediments and marine organisms. 137Cs, 184Cs,65Zn,60Co, 59Fe, 54Mn were added to sea water in an aquarium of 1.2 ton, in which the sediments were laid on the bottom. The concentration factors of these nuclides in suspension and sediments were determined, respectively, by means of super-filtering and S-80 multi-analyser with Ge (Li) gamma-ray detector. It was found that the concentration factors of 137Cs and 134Cs were less than those of 65Zn,60Co, and 54Mn in the suspension for two to three orders; 59Fe in filtered sea water was not detectable. It was shown that after nuclides entering sea water, 137Cs and 134Cs were mainly in ionic state, and 65Zn, 60Co, 59Fe and 54Mn in particle or colloidal state. The concentration factors (96 h) of these nuclides in sediments were less than that in suspension also for two to five orders. Thus, a conclusion may be that adsorption rate of nuclides by sediments is slower.

作者在建立的人工小生境中,研究了具有生态学意义的~(137)Cs、~(134)Cs、~(65)Zn、~(60)Co、~(59)Fe、~(54)Mn等核素在海水、底质及海洋生物间的转移规律.本文是该项研究的第一部分,研究悬浮物、底质对核素的富集和吸附,考察了核素进入海水后的初始状态.

Abstract The concentrations of  ̄(110m)Ag in Platymonas sp.,Phacforactylum tricornutumBohlin,Artemia salina Sinnaeus,and under the two different conditions(natural sea water andfiltered sea water),the concentration,distribution and excretion of‘ ̄(110m)Ag in Arca granosa Linnuawere studied.The results showed that Platymonas sp.arrived at its dynamic equilibrium earlierthan Phacodactylum tricornutumm Bonlin. Also,the concentration ability of the former was tentimes higher than the later.The...

Abstract The concentrations of  ̄(110m)Ag in Platymonas sp.,Phacforactylum tricornutumBohlin,Artemia salina Sinnaeus,and under the two different conditions(natural sea water andfiltered sea water),the concentration,distribution and excretion of‘ ̄(110m)Ag in Arca granosa Linnuawere studied.The results showed that Platymonas sp.arrived at its dynamic equilibrium earlierthan Phacodactylum tricornutumm Bonlin. Also,the concentration ability of the former was tentimes higher than the later.The values of their concentration factors were 1.09×10 ̄3,4. 06× 10 ̄2respectively. The process of  ̄(110m)Ag concentrated by Ariemia salina Sinnaeus was scattered, varyingfrom 1.3 × 10 ̄2 to 1.5 × 10 ̄2. ̄(110m)Ag can be fast concentrated by various organs in Arca granosa.Among them the concentration orders were as follows:viscera>gill>mantle>abdofninal>leg>adductor > blood > shell.Viscera was the main organ for the absorption of  ̄(110m)Ag. Except foradductor of Arca granosa,the concentration ability of other organs in natural sea water was high-er than that in the filtered sea water. After the excretion experiment,loss of ̄(110m)Ag from theblood was obvious,while the remains of ̄(110m)Ag in gill,mantle and viscera were remarkable. Theshells showed the character of external re-absorption of ̄(110m)Ag and the character of internal trans-fer of ̄(110m)Ag.

本文研究了扁藻、三角褐指藻、丰年虫对 ̄(110m)Ag的浓集以及 ̄(110m)Ag在两组实验条件下(天然海水与过滤海水)进入泥蚶体内的器官通道、积累器官分布及排泄。结果表明:扁藻比三角褐指藻早到达动态平衡,且浓集能力前者高于后者一个数量级,二者的浓集系数分别为1.09×10 ̄3、4.06×10 ̄2;丰年虫的无节幼体对 ̄(110m)Ag的浓集过程离散度较大,浓集系数在1.3×10 ̄2~1.5×10 ̄2之间;泥蚶各组织器官均能迅速浓集 ̄(110m)Ag,紧要器官依次为:内脏>鳃>外套膜>斧足>闭壳肌>血液>外壳;胃肠为 ̄(110m)Ag吸收的主要器官通道;天然海水中泥蚶各组织器官对 ̄(110m)Ag的浓集能力(除闭壳肌外)均大于过滤海水实验组;排泄实验后,泥蚶的血液 ̄(110m)Ag损失的百分比较大,而鳃、外套膜、内脏中 ̄(110m)Ag的残留量较大,外壳除表现出对 ̄(110m)Ag的重吸收外,还与 ̄(110m)Ag在体内转移有关。

 
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