网箱
- net cage;crib
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挂网实验和培养实验结果表明每个筏式网箱的污损生物会增加养殖水域N,P负荷的1~2%;
Based on the hanging nets survey and the cultivating experiment , the fouling organisms in one raft net cage can add 1 ~ 2 % loading of N or P to the water .
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通过实物试验,报道了圆台形囊网在流速0.45-0.75m·s-1时的外形设计、配重及制作方法,为强流下的深水网箱囊网制作提供参考。
By practical tests , this paper reported the form design , sinker weight and making method of the truncated cone cod-end under current velocity of 0 . 45 - 0 . 75 m · s-1 , and provided reference for cod-end making of deep-water net cage at strong current .
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圆形网箱框架用PE管材的弯曲疲劳试验
Bending Fatigue Test on PE Pipes Used for Circular Cage Floating Collars
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网箱养殖大黄鱼遗传多样性的同工酶和RAPD分析
Analysis of genetic diversity of Pseudosciaena crocea by isozyme and RAPD
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国产HDPE升降式深水网箱下沉关键技术的研究
Study on key techniques for submergence of HDPE submersible deep-sea cage
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HDPE圆形升降式网箱下沉时最大倾角的研究
Study on the Maximum Inclined Angle of a HDPE Circle Submersible Net Cage
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HDPE双管圆形深海抗风浪网箱的研制
Research and development of the deep-sea anti-waves cage with 2-ring HDPE pipes in circular shape
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根据研究结果,初步推测网箱养殖可能输入Cu元素,造成Cu污染。
According to the results , it can be concluded it may inputs Cu element and causes Cu pollution in the course of cage culture .
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本文建立了网箱养殖大黄鱼病原菌&副溶血弧菌酶联免疫吸附法,也即间接ELISA快速检测方法。
Presented in this paper is a method of indirect Enzyme Linked Immunosorbent Assay ( ELISA ) for rapid diagnosis of pathogenic V. parahaemolyticus .
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在350、400、450、500尾/m2的放养密度下,研究了小网箱养鲤效果。
The effectiveness of carp cultured under various densities ( 350,400,450,500 fish / m 2 ) in small cages were studied .
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污染评价的结果显示网箱养殖区沉积物Cu的含量劣于我国海洋沉积物一类标准,污染有增加的趋势。
The assessment result reveals the contents of Cu in cage culture area are inferior to the first class of Marine Sediment Quality and the pollution condition is deteriorating .
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面积500m~2的鳜鱼网箱对上述因子的影响范围一般在50m以内。
The affected scope of 500 m2 mandarin fish cages for the above mentioned factors was less than 50 m.
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网箱养殖大黄鱼(Pseudosciaenacrocea)疾病与环境因子的关系
Relationship between diseases in large yellow croaker Pseudosciaena crocea in marine cage culture and environmental factors
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结果表明:在本次试验的鱼草共生系统中,网箱养草对水体具有明显的净化效果,能有效去除水体中的N、P等营养性物质。
Result express that , in this experiment of fish-grass symbiosis system , growing grass in cage have obvious decontamination result to water body and can do effectively away with the N and P etc. nourishment material in the water body .
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结果表明,设置网箱的海区海水流速≤20cm/s;
It was concluded that : The flowing speed of seawater in sea area where cages were located was lower than 20cm / s ;
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附着后的稚海胆经过3个多月培育,壳径达到3~5mm剥离到网箱中进行中间培育。
Months after settlement , the shell diameters of the juvenile urchins reached 3 ~ 5mm and they were transferred into cages for middle culture .
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不同发育阶段大黄鱼(Pseudosciaenacrocea)样品体重30~500g,取自厦门海区网箱养殖区。
The Pseudosciaena crocea were collected from the cage culture area in Xiamen sea area . The samples were at different development stages with body weight 30-500 g.
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1996年4月至1997年5月对浙江奉化、象山海水网箱养殖水域采用MPN法进行异养细菌和弧菌数量的检测。
The method of MPN was used to investigate the heterotrophic bacteria and vibrios in marine cage - cultured waters of Fenghua and Xiangshan in Zhejiang Provine .
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在网箱、孵化缸中的泼洒浓度为150~200ppm,池塘中为20ppm。
It 's spraying concentration used in cages and incu - bation vats is 150 ~ 200 ppm .
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据此,计算出国内常用的周长40m的HDPE双浮管圆形升降式网箱的最大沉降倾角为31.29(°)。
According to the formula by reasoning , the maximum inclined angle of the actual HDPE double floating frames submergible cage , which is practical in China , and whose perimeter is 40 meters , was calculated . The value is 31.29 ° .
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用3种含野菰叶粉颗粒饲料在网箱中经126天饲养,每亩平均鱼产量达到了15000kg。
An average fish yield of 23.7 kg / m was obtained by feeding the three diets for 126 days in cage-culture . The leaf of Z.
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从患病的海水网箱养殖鱼中分离到5株链球菌,分别命名为HD-1、HD-2、HD-3、HD-4和HD-50。
Five strains of Streptococcus , designated HD-1 , HD-2 , HD-3 , HD-4 and HD-50 , were isolated from diseased seawater farmed fish in Guangdong Province .
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第4年性腺发育成熟,4~5月份,海上网箱人工催产,平均每尾雌鱼可产卵1.8kg左右。
By artificially induced spawning in marine cage , the mature female fish spawned about 1.8 kg eggs each from April to May .
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使用格栅间距为44mm的分离栅在周长为50m的网箱中分级后,分级网内鱼的规格更加统一,且分级网内鱼类的平均体重比不分离时平均重0.13kg/尾。
In a cage of 50m in circumference , the test result showed that the average body weight of the big size fish remained in the grading net was 0.13 kg more than that of fish without sizing grade .
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经5.5个月的网箱养殖,个体平均体长达28.1cm、体重438.8g,养殖成活率为81.7%;
Nibea japonica individuality average body length reached at 28.1 cm , average body weight reached at 438.8g , and the survival rate was 81.66 % after net cage culture for 5.5 months .
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但是如何来评估网箱渔场的风险呢?
How is the risk in aged cage culture areas evaluated ?
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新型低表面能防污涂料在网箱网衣中的应用研究
Assessment of Low Surface Energy Antifouling Coating used in Fish Net
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水库网箱养鳗试验
Test on Cage Culture of Eel , Anguilla japonica in Reservoir
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淡水网箱养鱼能量效益的初步评价
Primary evaluation on the energy efficiency of freshwater cage fish culture
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深水网箱圆台形囊网的设计与制作
Design and making of truncated cone cod-end of deep-water net cage