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waters     
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  水体
     The results show that the concentrations of the above four pollutants in the waters of Jiaozhou Bay are <1.2~28.0, <1.2~16.1,2.7~9.5 and 3.8~161.5ng/L, respectively.
     结果表明,胶州湾水体中上述4种污染物的浓度分别为<1.2~28.0,<1.2~16.1,<2.7~9.5和<3.8~161.5ng/L;
短句来源
     Typical minings of Danzhai, Xingren and Wanshan in Guizhou, the mercury concentration in water are 6.18~1540.39ppt, 123.46~2136.15ppt, 5.17~1885.40ppt, and the average concentration of mercury in the three mines' waters are 158.10ppt, 294.76ppt, 712.26ppt.
     贵州典型矿区丹寨、兴仁和万山水体中汞的含量分别是6.18~1540.39ppt、123.46~2136.15ppt、5.17~1885.40ppt,其中三个矿区的矿山水体中汞的平均含量分别为158.10ppt、294.76ppt、712.26ppt。
短句来源
     The results showed that the specific activity of 141Ce in waters decreased with time, and the dynamics of disappearance could be expressed as two exponential rules: CW=334.35e-1.1835t+23.75e-0.0961t and r2=0.99988. The aquatic plant had strong high gathering ability of 141Ce in waters.
     结果表明,水体中141Ce的比活度随时间延长而减少,消失动态服从二项指数衰减规律CW =334.35e-1.1835t+23.75e-0.0961t, r2=0.99988;
短句来源
     Sorption of Pb~(2+) in waters by culture medium waste of mushroom
     香菇培养基废料吸附水体中Pb~(2+)
短句来源
     The results show that the concentrations of MCLR and MCRR range from 0.049(μg/L) to 12.30(μg/L) and from 0.032(μg/L) to 7.90(μg/L),respectively,and the concentrations of microcystins at the bottom of the waters are higher than the aquatic surface.
     结果表明,3处水体的微囊藻毒素MCLR水平为0.049~12.30μg/L,MCRR为0.032~7.90μg/L,底层水中微囊藻毒素的含量显著高于表层水;
短句来源
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  水域
     The area of high biomass density occurs in the northeast waters of the survey sea and the highest occurs in the waters at depth of 80 to 100 m (27°00′~28°00′N,122°30′~124°30′E).
     分布区域以调查海域的东北部水域为主,以27°00′~28°00′N,122°30′~124°30′E水深80~100m海域数量为多;
短句来源
     The ratio between P, ∑N and Si was P:∑N:Si=1:5:58 in the waters.
     该水域P:∑N:Si比值为1:5:58.
短句来源
     The average abundance of copepods was 154.97 ind·m-3 (5.00-649.85 ind·m-3) and the highest abundance was above 500 ind·m-3 occurring in east waters of estuary of the Changjiang River (east of 30°30′-31°15′N, 123°15′E).
     桡足类总丰度均值为154.97ind·m-3(5.00~649.85ind·m-3),最高丰度区(>500ind·m-3)主要分布于长江口30°30′~31°15′N、123°15′E以东水域
短句来源
     Based on the 36 net samples from the eastern waters ( 141W149W7N°°~°°~°′10N ) and the western waters (151W155W, 8N1130N ) in the China Pioneer Area of the Northeast Pacific Ocean during the cruises DY95-7 (July 1997 ) and DY95-8 ( July to September 1998 ), 180 species belonging to 47 genera in 5 phyla of net phytoplankton have been identified.
     根据东北太平洋中国开辟区西部(°~°,°~°′)和东部(°~151W155W8N1130N141W°,°~°)水域航次()和航次(~)所采的份网149W7N10N DY95-7 1997 -07 DY95-8 1998 - 07-09 36 采样品,鉴定网采浮游植物种,隶属于个门类属。
短句来源
     Based on 4 seasonal data of marine survey during 1997-2000, this paper deals with and approaches dominant species of copepods in 23°30′-33°N, 118°30′-128°E investigative waters in the East China Sea.
     根据1997-2000年东海23°30′~33°N、118°30′~128°E水域4个季节海洋调查资料,对浮游桡足类种类组成及优势种作了探讨。
短句来源
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  海域
     The biomass density is low in south of 26°30′N,the high density occurs in the waters at depth of 80 to 100m(26°30′~28°00′N,121°30′~124°00′E).
     密集区主要分布在26°30′~28°00′N,121°30′~124°00′E,水深80~100m一带海域,26°30′以南资源密度较低。
短句来源
     From the point of latitude, the fishing ground is mainly located in the waters of 40°N-43°N before 1999,while in the waters of 39°N-41°N and 43°N-45°N in 2000 and 2001 respectively.
     从作业纬度来看,1999年以前主要产量集中在40°N~43°N海域,而2000和2001年则分布在39°N~41°N和43°N~45°N海域
短句来源
     The area of high biomass density occurs in the northeast waters of the survey sea and the highest occurs in the waters at depth of 80 to 100 m (27°00′~28°00′N,122°30′~124°30′E).
     分布区域以调查海域的东北部水域为主,以27°00′~28°00′N,122°30′~124°30′E水深80~100m海域数量为多;
短句来源
     It main distribute in the area out of 80m depth,especially in the northeast waters(27°00′~28°00′N,124°00′~125°30′E) of the investigation sea,biomass density is the highest.
     主要分布于水深80m以外海域,尤以调查海区东北部27°00′~28°00′N,124°00′~125°30′E一带海域数量为多;
短句来源
     Distribution of ~(90)Sr and ~(137)Cs in coastal surface waters of Guangdong
     广东近岸海域表层水中~(90)Sr和~(137)Cs的分布
短句来源
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  领水
     We not only discuss the formation and content of the system that foreign warships garrisoned along the territorial waters in China , but also give a dynamic account of its enforcement.
     这两章不仅详细地论述了外国军舰驻华制度的形成及其主要内容,而且重点动态地考察了这一制度的实施情况,认为这一制度对中国领水主权构成了最严重的威胁。
短句来源
     Signing new treaties and resuming partly the inland waters sovereignty in the governance of the Repybblic of China
     民国时期中外新条约的签订与领水主权的部分恢复
短句来源
     These treaties undoubtedly respected China's inland waters sovereignty.
     当时一系列新条约的签订事实上就意味着中国领水主权的逐渐得以恢复。
短句来源
     During forfeiting its sovereignty in modern times of China, it is the most serious that the sovereign rights of territorial waters was damage.
     在近代中国各项主权的丧失过程中,领水主权的破坏是首当其冲的。
短句来源
     The restriction on military affairs included two respects: big powers assigned military installations in the water areas leased and despartched gunship to sail freely in the inland waters of China, and prohibit China setting up defences from the Shanghai Pass to Dagu.
     军事方面,列强租借水域布置军事设施和外国军舰自由航行中国领水,大沽至山海关不设防规定是领水主权限制的重要表现。
短句来源
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  waters
The salt exclusion effect during the gas hydrate formation will cause an increase in major ion concentrations in the pore waters that diffused upward such as Cl.
      
In this paper, an indirect competitive enzyme-linked immunosorbent assay (ic-ELISA) was established and used to detect microcystin-LR (MC-LR) in drinking and surface waters.
      
Regions of the Krasnodar Krai where sea and fresh waters exerted toxic action on luminescence were determined by the microbioluminescent method.
      
Following the descending near-Antarctic waters, the shallow and cold water oxyphilic fauna assimilated the abyssal zone that had been warm water and weakly populated.
      
Dynamics of Ecological-Biochemical Characteristics of Sea Ice in Coastal Waters of the White Sea
      
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1. An account is given of ten species of copepods collected from four lakes, Ching Hai (Chinghai Province), Tai Hai, Huangchi Hai and Ulasu Hai (Inner Mongolia) with description of three new species, namely, Arctodiaptomus spirulus (p1.Ⅰ, 5-7), Bryocamptus fed (pLs. Ⅳ & Ⅴ), from Ching Hai and Neutrodiaptomus genogibbosus (pL. Ⅱ, 11-14) from Ulasu Hai. A brief description of the larvae of an Argulus (Copepoda Branchiura) from Ulasu Hai is also included (pL. Ⅵ).2. The copepods so far found in Ulasu Hai are more...

1. An account is given of ten species of copepods collected from four lakes, Ching Hai (Chinghai Province), Tai Hai, Huangchi Hai and Ulasu Hai (Inner Mongolia) with description of three new species, namely, Arctodiaptomus spirulus (p1.Ⅰ, 5-7), Bryocamptus fed (pLs. Ⅳ & Ⅴ), from Ching Hai and Neutrodiaptomus genogibbosus (pL. Ⅱ, 11-14) from Ulasu Hai. A brief description of the larvae of an Argulus (Copepoda Branchiura) from Ulasu Hai is also included (pL. Ⅵ).2. The copepods so far found in Ulasu Hai are more or less similar to those occurring in the fertile waters of the lower Yangtse Valley. It is, therefore, not surprising that the fish production in this lake is higher than that in the other three lakes.3. The distribution of the diaptomids seems to be related to the properties of the lake water, especially the differences in salinity. Thus, Arctodiaptomus spirulus is found only in Ching Hai; Arctodiaplomus rectispincsus is prevalent in Tai Hai as well as in Huangchi Hai; Ulasu Hai possesses two different diaptomids, Sinodiaptomus sarsi and Neutrodiapiomus genogibbosus.4. The species of Cyclopidae are more adaptive to the various kinds of water, so they have a wider range of distribution. Eucyclops serrulatus can survive in Huangchi Hai and even in Ching Hai, Cyclops vicinus, Cyclops strennus, and Thermocyclops hyalinus are found in Ulasu Hai as well as in Tai Hai and Huangchi Hai. Mesocyclops leuckarti is probably confined to fresh water and it is found only in Ulasu Hai.6. The species of Bryocamptus are generally found in the various kinds of water at high lands or among marshes. They are endurable to low temperature, high alkali and salinity. The new species, Bryocamptus feei, is found only in Ching Hai.6. A short review is made concerning the zoogeographical distribution of these copepods.

(一)这四个湖的桡足类,共采得10种,共中有3种是新发现的种类,如激刺北镖溞、腹突荡镖溞和费氏瘦猛溞,已分别加以叙述。其他各种的性质,略记其要,以利鉴别。 (二)这四个湖在夏季中镖溞的数量远较剑溞的为多,而且按各个湖泊的特殊位 置和水性,各有特殊的镖溞。乌拉素海的桡足类与长江下游水质较肥的湖塘中的种类,很相近似,而且还存在着一种鲺(Argulus sp.)的幼体,而鲺是鱼类的一种敌害。 (三)镖溞的分布与湖水的理化坏境,有密切关系,特别是湖水所含盐类及其浓度,对它们的分布,似有显著的影响。如青海产有激刺北镖溞,岱海与黄旗海都有直刺北镖溞;乌拉素海却有一般淡水湖的镖溞,如萨氏中镖溞和腹突荡镖溞。 (四)这些剑溞的适应力都较强,能在各种湖水中生活。故分布也较广。如锯缘真剑溞是一习见的淡水种类,既见于黄旗海,也能在青海中生活。又如近邻剑溞、英勇剑溞和透明温剑溞除见于乌拉素海外,也能在岱海和黄旗海中生活。只有刘氏中剑溞,大概局限于一般淡水中。这次只发现于乌拉素海中。 (五)瘦猛溞属的一般种类,常生活在地势较高或低洼的水塘中,能耐低温、硷性或盐度较高的水质,故费氏瘦猛溞能在青海中生活。 (六)这些桡足类的属与种的地理分...

(一)这四个湖的桡足类,共采得10种,共中有3种是新发现的种类,如激刺北镖溞、腹突荡镖溞和费氏瘦猛溞,已分别加以叙述。其他各种的性质,略记其要,以利鉴别。 (二)这四个湖在夏季中镖溞的数量远较剑溞的为多,而且按各个湖泊的特殊位 置和水性,各有特殊的镖溞。乌拉素海的桡足类与长江下游水质较肥的湖塘中的种类,很相近似,而且还存在着一种鲺(Argulus sp.)的幼体,而鲺是鱼类的一种敌害。 (三)镖溞的分布与湖水的理化坏境,有密切关系,特别是湖水所含盐类及其浓度,对它们的分布,似有显著的影响。如青海产有激刺北镖溞,岱海与黄旗海都有直刺北镖溞;乌拉素海却有一般淡水湖的镖溞,如萨氏中镖溞和腹突荡镖溞。 (四)这些剑溞的适应力都较强,能在各种湖水中生活。故分布也较广。如锯缘真剑溞是一习见的淡水种类,既见于黄旗海,也能在青海中生活。又如近邻剑溞、英勇剑溞和透明温剑溞除见于乌拉素海外,也能在岱海和黄旗海中生活。只有刘氏中剑溞,大概局限于一般淡水中。这次只发现于乌拉素海中。 (五)瘦猛溞属的一般种类,常生活在地势较高或低洼的水塘中,能耐低温、硷性或盐度较高的水质,故费氏瘦猛溞能在青海中生活。 (六)这些桡足类的属与种的地理分布,根据现有资料,亦略为述及,以明其分布趋势。

Coilia mystus (L.) is a small fish of economic importance, belonging to the Family Engraulidae. It occurs abundantly along the coast of Amoy and vicinity. The present investigation was undertaken with the chief object of finding out the compostion of food and its seasonal variation. A total of 612 stomachs were examined; of these, only 22 stomachs were found to be empty. The following are the results of the investigation:(1) Coilia mystus feeds chiefly upon planktonic Crustacea, of which Copepoda is, by far,...

Coilia mystus (L.) is a small fish of economic importance, belonging to the Family Engraulidae. It occurs abundantly along the coast of Amoy and vicinity. The present investigation was undertaken with the chief object of finding out the compostion of food and its seasonal variation. A total of 612 stomachs were examined; of these, only 22 stomachs were found to be empty. The following are the results of the investigation:(1) Coilia mystus feeds chiefly upon planktonic Crustacea, of which Copepoda is, by far, the most important, constituting no less than 75.9% of total food. Of the 15 species of Copepoda identified, Paracalanus pqrvus, Pseudodiaptomus marinus and Tortanus forcipata are relatively more important than the others. Among other Crustacea, the relative importance of various groups Is of the following order: Decapoda (including Lucifer and Brachyuran larvae) > Mysidae > Euphau-siacea > Amphipoda > Ostracoda > Cumacea > Stomatopoda. Next to Crustacea in the order of importance of food conic Chaetognatha and fish ova, the former being the more important of the two. Judging from the composition of food, Coilia mystus is a plankton-feeder.(2) The composition of food is more or less subject to seasonal variation. The order of numerical importance of various groups* in the four seasons is as follows: SPRING (Mar.-May): Copepoda > fish ova > Decapoda > Amphipoda > Mysidae> Euphausiacea > Cumacea> Stomatopoda, young fish. SUMMER (Junc-Aug.): Copcpoda> fish ova> Decapoda >Mysidae> Amphipoda> Euphausiacea > Cumacea > young fish.AUTUMN (Scpt.-Nov.): Copepoda > Decapoda > Mysidae > Ostracoda > Euphausiacea > Amphipoda > Stomatopoda > young fish.WINTER (Dec.-Feb.): Copepoda > Decapoda > Euphausiacea > Cumacea > fishova > Mysidae > Amphipoda > young fish > Stomatopoda. (3) The composition of food varies with age or length (from the tip of snout to the end of body, exclusive of caudal fin) of fish which appears to he related to the density of gill-rakers. The younger fishes (less than 15 cm. in length) with denser gill-rakers (2.0-2.7 rakers per 1 mm.) feed largely upon smaller crustaceans (Cope-poda); whilst the older fishes (over 15 cm. in length) with sparser gill-rakers (1.4 1.9 rakers per 1 mm.) feed largely upon larger crustaceans (Mysidae, Euphausiacea, Stomatopdda, Decapoda). It shows that increase in the size of fish is associated with increrase in the size of food animals eaten.(4) There exists a fairly close agreement between the composition of food and the composition of plankton in the surrounding waters. During the months of March and November when both fish and plankton were collected at the same time off Hai-Chen near Amoy, Copepoda was found to be the most dominant group in both food and plankton. It shows that the fish fed heavily upon those crustaceans occurring most abundantly in the plankton. In this respect, Coilia mystus exercises no selectivity of food. The writers are of the opinion that abundance and availability rather than selection by the fish determine the species of animal eaten.(5) A comparison of the food of Coilia mystus with that of other Clupeoids in Amoy waters reveals the predominance of Copepoda in the diet of most of these fishes. For the sake of increasing the yield of these economic fishes, it is essential to enhance the production of Copepoda in nature by artificial means such as to fertilize the water with nutrient salts, especially phosphates and nitrates, to increase the production of phytoplankton which will, in turn, lead to the higher production of Copepoda.

1.六丝鲚的食料差不多完全是浮游动物,以甲壳类为主,其中以桡足类为最重要、十足类(包括莹虾)次之,糠虾类,端足类,磷虾类更次之。除甲壳类以外,它还捕食很多毛头类和鱼卵,所以六丝鲚应属蜉食性的鱼类。 2.六丝鲚的食料成份有季节变化,不过不很显著:春夏两季以桡足类为主,鱼卵次之,十足类(包括短尾类幼虫)更次之。秋季以桡足类为主,十足类(包括莹虾和短尾类幼虫)次之,糠虾更次之。冬季以桡足类为主,十足类次之,磷虾类更次之。总的来看,桡足类在四季食料中都占了绝对优势。六丝的次要食料则随季节而异;春夏两季是鱼卵,秋冬两季都是十足类。值得注意的是:糠虾类和介壳类在秋季食料中的比率增加,磷虾类在冬季食料中占相当重要位置。食料的季节变化是和浮游生物的季节变化分不开的。 3.食料种类大小和体长有关:体长在15厘米以上的捕食较大的甲壳类(如磷虾类,口脚类和十足类等),而体长在15厘米以下的则捕食较小的甲壳类(如桡足类)。这和鳃耙密度有关:前者的鳃耙较稀(1毫米长中有1.4—1.9鳃耙)而后者的鳃耙较密(1毫米中有2.0—2.7鳃耙)。 4.食料和浮游生物存在着一定关系;在浮游生物中占优势的种类也同样地在食料中占优势。桡足类便是一个...

1.六丝鲚的食料差不多完全是浮游动物,以甲壳类为主,其中以桡足类为最重要、十足类(包括莹虾)次之,糠虾类,端足类,磷虾类更次之。除甲壳类以外,它还捕食很多毛头类和鱼卵,所以六丝鲚应属蜉食性的鱼类。 2.六丝鲚的食料成份有季节变化,不过不很显著:春夏两季以桡足类为主,鱼卵次之,十足类(包括短尾类幼虫)更次之。秋季以桡足类为主,十足类(包括莹虾和短尾类幼虫)次之,糠虾更次之。冬季以桡足类为主,十足类次之,磷虾类更次之。总的来看,桡足类在四季食料中都占了绝对优势。六丝的次要食料则随季节而异;春夏两季是鱼卵,秋冬两季都是十足类。值得注意的是:糠虾类和介壳类在秋季食料中的比率增加,磷虾类在冬季食料中占相当重要位置。食料的季节变化是和浮游生物的季节变化分不开的。 3.食料种类大小和体长有关:体长在15厘米以上的捕食较大的甲壳类(如磷虾类,口脚类和十足类等),而体长在15厘米以下的则捕食较小的甲壳类(如桡足类)。这和鳃耙密度有关:前者的鳃耙较稀(1毫米长中有1.4—1.9鳃耙)而后者的鳃耙较密(1毫米中有2.0—2.7鳃耙)。 4.食料和浮游生物存在着一定关系;在浮游生物中占优势的种类也同样地在食料中占优势。桡足类便是一个很显著例子。其他甲壳类也有相似情况。可是水母则不然,它在浮游生物中很

This communication reports the result of a study of Nelson method with thepurpose of being applied to the determination of nitrates in fresh waters. Accordingto our findings, firstly, a trace of copper sulfate should be added to the acetic acidin order to enhenco the sensitivity and roproducibility; secondly, nitrites should beremoved by using of sodium azide if it is present together with nitrate in the sample. The method may be summerized as follows: To 8 ml of water sample in a 15-ml centrifuge tube...

This communication reports the result of a study of Nelson method with thepurpose of being applied to the determination of nitrates in fresh waters. Accordingto our findings, firstly, a trace of copper sulfate should be added to the acetic acidin order to enhenco the sensitivity and roproducibility; secondly, nitrites should beremoved by using of sodium azide if it is present together with nitrate in the sample. The method may be summerized as follows: To 8 ml of water sample in a 15-ml centrifuge tube add 2 ml of acetic acid reagent A which contains 16.3 μg Cu~(++)in the form of copper sulfate. Then add 0.6 g of powder reagent, stopper, shake for1 1/2 min., and then centrifuge for 10 rain (4, 000 RPM). Pour the clear solutioninto an absorption cell and take reading colorimetrically with 515 mμ filter. The proposed method may be applied to samples containing nitrates as low as0.02 ppm and is more rapid and accurate than phenol-disulfonic acid process whichis recognized officially.

本文叙述水中微量硝酸盐的快速测定法。主要采用Bray之粉剂,加入硫酸铜作催化剂(Cu~(++)16.3微克/10毫升)和加长振荡时间控制硝酸盐的还原程度,致使灵敏度增加。用光电比色计可测至0.02 ppm硝酸根中之氮,用纳氏管可到0.005 ppm。再现性及稳定性均好。误差不超过5%。

 
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