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   冷水性 在 水产和渔业 分类中 的翻译结果: 查询用时:0.75秒
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冷水性
相关语句
  cold-water
    Free gossypol≤300 mg/kg(In mild-water polyphagous fish and shrimp feeds); Free gossypol≤150 mg/kg (In cold-water fish and marine fish feeds);
    温水杂食性鱼类虾类饲料中游离棉酚≤300mg/kg,冷水性鱼类、海水鱼类饲料中游离棉酚≤150mg/Kg;
短句来源
    Feeding Habits, Growth And Propagate Of Nine Species Of Cold-water Fish In Changbai Mountain
    长白山区九种冷水性鱼类的食性、生长与繁殖
短句来源
    Study on the development strategy of cold-water fishery industry integration in Huairou District, Beijing
    北京怀柔冷水性鱼产业化研究
短句来源
    Introducing cold-water fish species or wide temperature character fishspecies would be an effective way of rebuilding the fishery resources.
    并认为引入冷水性或广温性鱼类是增殖这类水域鱼类资源的有效途径。
短句来源
    Brachymystax lenok is the famous and the only inland cold-water fish of Salmonidae,and the ClassⅡprotected species in China.
    细鳞鱼作为名贵的鲑科陆封型冷水性鱼类,属于国家二级保护动物。
短句来源
  “冷水性”译为未确定词的双语例句
    INTERNATIONAL SYMPOSIUM ON COLDWATER FISH CULTURE
    国际冷水性鱼类养殖专题讨论会
短句来源
    Status and Idea of Development of Cold Water Fishes Farming in Guangxi
    广西发展冷水性鱼类养殖的现状与思考
短句来源
    3. There are 29 genus 59 species of rotifer. The most of them are generalists and lives in antiplano. The mean density and biomass of protozoa are 50ind/L and 0.060mg/L.
    3.共检出轮虫7科19属35种,以广布性和高原冷水性种类为主,轮虫的平均密度为50ind/L,平均生物量为0.060mg/L。
短句来源
    the warm-temperate, with 36 species (21.05%), without any cold-temperate elements.
    暖温性鱼类36种,占总数21.05%,没有冷水性鱼类。
短句来源
    COLDWATER FISHES AND THEIR PROSPECTS FOR EXPLOITATION AND UTILIZATION IN CHINA
    中国的冷水性鱼类及其开发利用
短句来源
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  cold-water
The results of a numerical study of the effect of cold-water density inversion (Prandtl number Pr=11.59) on the flow and heat transfer in a horizontal plane-parallel channel with isothermal top and bottom walls are presented.
      
Cold-water mixed convection in a square cavity with a translating top boundary is studied numerically over a wide range of variation of the Grashof number.
      
In cold-water zones, the change in the plankton community from the spring to the summer state occurs about half a month later than in warm waters.
      
The reason for this lag is the slower sea surface heating and the later stratification in cold-water zones.
      
Two complexes of species have been distinguished comprising warm-water and cold-water species, respectively.
      
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The Distributions of Saxidomus purpurarurs (Sowerby) have been reported from the provinces of Shandong, Liaoning in China and Kyushu, Shikoku, Honsuh, etc. inJapan. It is distributed mainly along the coast of North Pacific (30-40°N.). It is alarge type of economic bivalve with delicious taste. Peoples of many countries like it.Its largest body weight reaches to 0.5 kilogram. It is ecology and breeding habit has been studied in recent years. This article describes its living environment, food habit and growth....

The Distributions of Saxidomus purpurarurs (Sowerby) have been reported from the provinces of Shandong, Liaoning in China and Kyushu, Shikoku, Honsuh, etc. inJapan. It is distributed mainly along the coast of North Pacific (30-40°N.). It is alarge type of economic bivalve with delicious taste. Peoples of many countries like it.Its largest body weight reaches to 0.5 kilogram. It is ecology and breeding habit has been studied in recent years. This article describes its living environment, food habit and growth. Saxidomusperpuratus (Sowerby) lives at a depth of 4-20 meters, with water temperature2-28℃ and salinity 20-30‰. It mainly feeds on diatomes. The Spawning season is in June to September. Its embryonic development is alsodescribed in this article.

本文报道了对紫石房蛤生物学调查研究的初步结果。 紫石房蛤是狭盐、冷水性贝类,栖息于4—20 米水深,潮流畅通,水质清澈的沙砾底质海区;适应的水温是2—28℃,盐度是20—34‰,营埋栖生活。其食物以硅藻为主。Ⅴ龄以前的个体生长迅速。体重和体长的关系为:W=0.000014 L~(3.89)-18。 紫石房蛤为雌雄异体,繁殖期在6月至9月上旬。据测定,其生殖腺指数在7月初达到最高值,为19.8%。此外,本文还对紫石房蛤的胚胎发育过程作了描述。

As far as we know at present there are 17 orders, 73 families, 131 genera and 171 species of fishes collected in the area of Zhanjiang Coast. The Chondrichthian fishes are represented by 8 species (4.7% of the total). The Osteichthian fishes are represented by 103 species (95.3% of the total), among which the perciform fishes are predominant in number (106 species). According to the temperature nature of the fauna, the fishes of Zhanjiang Coast may be grouped into two types: (1). the warm-water, comprising 135...

As far as we know at present there are 17 orders, 73 families, 131 genera and 171 species of fishes collected in the area of Zhanjiang Coast. The Chondrichthian fishes are represented by 8 species (4.7% of the total). The Osteichthian fishes are represented by 103 species (95.3% of the total), among which the perciform fishes are predominant in number (106 species). According to the temperature nature of the fauna, the fishes of Zhanjiang Coast may be grouped into two types: (1). the warm-water, comprising 135 species (78.95% of the total) (2). the warm-temperate, with 36 species (21.05%), without any cold-temperate elements. The fish fauna composition of this area is similar to that of Sonth Fujian and Taiwan Bank.

湛江市沿海鱼类共有171种,隶属于17目73科131属。软骨鱼类有8种,占总数4.7%,硬骨鱼类有163种,占总数95.3%,其中鲈形目鱼类占优势,有106种。根据区系的温度特性,湛江沿海鱼类,可以分成二个类群:暖水性鱼类135种,占总数78.95%;暖温性鱼类36种,占总数21.05%,没有冷水性鱼类。湛江沿海鱼类区系组成与闺南——台湾浅滩鱼类区系有相似之处。

1. There are about 47 species of shrimps and lobsters in the waters off Zhoushan Archipelago. The resources of shrimps and lobsters are very abundant. The dominant species are: Penaeus japonicus, Trachypenaeus curvirostris, Parapenaeopsis hardwickii, Solenocera crassicornis, Acetes chinensis, Leptochela gracilis, Exopalaemon annandalei, Exop. carinicauda, Palaemon gra-vieri, which are main catches for local fisheries. The larger bodysize shrimps, Penaeus monodon, P. semisulcatus, P. penicillatus, P. chinensis,...

1. There are about 47 species of shrimps and lobsters in the waters off Zhoushan Archipelago. The resources of shrimps and lobsters are very abundant. The dominant species are: Penaeus japonicus, Trachypenaeus curvirostris, Parapenaeopsis hardwickii, Solenocera crassicornis, Acetes chinensis, Leptochela gracilis, Exopalaemon annandalei, Exop. carinicauda, Palaemon gra-vieri, which are main catches for local fisheries. The larger bodysize shrimps, Penaeus monodon, P. semisulcatus, P. penicillatus, P. chinensis, also exist in the waters off Zhoushan with only a few number. But they can be cultured for the fertilizing form. It must be emphasis that the three forms, e.g. Penaeus monodon, P. semisulcatus, P. penicillatus, are distributed to the south coast of Zhoushan by the help of the Kuroshio Current. 2.The shrimp and lobster in the waters off Zhoushan is characterized by a considerable amount of the tropical warm water forms. The Family Penaeidae and the Family Palaemon-idae (perhaps both are warm-water forms) occupy a dominant position among the components of 12 families. In detail, except for Metapenaeopsis dalei belonging to the temperature form, majority of the Family Penaeidae are the warm-water forms. Among Penaeus monodon, P. semisulcatus, P. pentcillatus, Metapenaeus ensis, Solenocera depressa, Metaponaeopsis lammelat-us, Miyadiella podophthalmus are very strong warm-water elements. Of the Family Palaemon-idae, except for Palaemon gravieri being of the endemic species, most are widely distributed in warm-water regions. Palaemon pacific is a typical tropic form. Others, such as the Family Palinuridae (Linuparus trigonus, Panullirus ornatus, P. stimpsoni), the Family Scyllaridae (Thenus orientalis) and the Family Nephropsidae (Nephrops thompsoni) are very common in the tropic western Indo-Pacific region. It must be mentioned that some of the boreal forms in the waters off Zhoushan are perhaps the species of Heptacarpus rectirostris of the Family Hip-polytidae and Crangon crangon, C. affinis of the Family Crangonidae. They all belonged to the coldwater forms. Only 6.3% of the above mentioned general number of the macrurous decapods are found in the waters off Zhoushan.3.The components of the macrurous crustacean in the south of Zhoushan coast is conspicuously different from that in the north. In the north, the cold-water forms Heptacarpus rectirostris, (?) Crangon crangon, C. affinis are penetrated into the waters off Zhoushan. The above mentioned cold-water forms can hardly be found in the south waters off Zhoushan. The south waters are characterized by a large quantity of the tropic warm-water forms. The strong warm-water forms such as Penaeus monodon, P. semisulcatus,P. pentcillatus, Metapenaeus ensis, Solenocera depressa, Linuparus trigonus, Panullirus ornatus, P. stimpsoni etc. are all restricted to the south part of Zhoushan Coast, representing 17.4 percent of the macrurous decapods in Zhoushan water. They are only distributed in. this region from July to August annually, evidently by the help of the Kuroshio Current.Generally, the northern distribution of the shrimp and lobster of the tropic and the su-btropic regions is bounded on the northern Zhoushan. Its fauna is located at the cross-road. This shrimp and lobster fauna of Zhoushan waters must, belong to the northern of the west Indo-Pacific fauna.

本文报告了舟山沿海经济虾类47种。其中9种为渔业生产的主要对象,4种大型个体对虾在养殖上有一定意义,特别是斑节对虾、短沟对虾和长毛对虾最近几年的出现,在海洋学研究上应予注意。舟山沿海虾类以暖水性种类占优势,其南北沿海虾类成分组成显著不同,北部渗入了少量冷水性虾类,南部则有大量暖水性种类。显然,印度-西太平洋虾类区系在舟山沿海已临近分布北界。

 
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