河蟹
- river crab
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[river crab] 螃蟹的一种,头胸部甲壳扁圆、灰褐色。腹部甲壳扁平、白色,雌的圆形,雄的尖形。螯上有细锯齿。肉味鲜美。生长在淡水里,有时爬上河岸危害农作物
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中华绒螯蟹(EriocheirSinensis)又称毛蟹,河蟹,属甲壳纲,十足目,方蟹科,绒螯蟹属,为我国特产。
Chinese mitten crab ( Eriocheir sinensis ) is called hair crab , river crab , is belong to crustacea class , decapoda order , square crab family , and mitten crab genus , is a specialty in China .
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提高河蟹育苗成活率技术研究
Studies on Technique for Raising Survival Rate of Rearing River Crab Larvae
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温度驯化能导致速率补偿,表现为25℃驯化河蟹的呼吸率明显低于10℃驯化河蟹的呼吸率
A respiration rate compensation throught thermal acclimation is demonstrated by E.
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基于Web的河蟹养殖专家系统的研究
Study on Web - based Expert System of Mitten Crab Aquiculture
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通过专家咨询的方式,确定了针对河蟹池塘养殖的最主要水质指标:溶解氧、酸碱度(pH值)、温度和盐度。
According to experts ' advice , the most important indicators for water quality of crab ponds were determined : dissolved oxygen , pH , temperature and salinity .
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采用ELISA双抗体夹心法检测患颤抖病的河蟹病料,致病性病毒的阳性检出率为92.5%(37/40)。
To detect the virus causing " trembling disease " in Eriocheir sinensis samples by double antibody sandwich enzyme-linked immunosorbent assay ( ELISA ), the positive rate was 92.5 % ( 37 / 40 ) .
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根据1999年对固城湖生物资源的周年综合调查,推算出固城湖的生物资源可供养鱼虾蟹能力在65~75万kg,其中河蟹产量可达2.5万kg。
Based on comprehensive investigation of bio-resources in Gucheng Lake in 1999 , it is reckoned that the capacity of the lake of sustaining fishes , shrimps and crabs might reach 650-750 t , of which 25 t could be crabs .
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总而言之,河蟹生态养殖池塘PVC底层增氧机使用规律为:晴天中午开,日出前夕勤开;阴雨天夜间长开;闷热天气延长开,大风天气可少开。
In short , ecological aquaculture pond bottom crabs PVC aerator rule is : sunny noon open , before sunrise frequently open ; rain night always open ; Hot weather extended open , windy weather may be less open .
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研究结果表明:河蟹消化道蛋白酶的最适pH值在5.4~5.8和7.2~7.6;蛋白酶的最适底物酪蛋白的浓度为:胃,0.8mg/ml;
Results showed that the optimal pH values of proteolytic enzyme of the crab were 5.4 5.8 and 7.2 7.6 . The optimal substrate consistency of casein were : stomach , 0.8 mg / ml ;
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河蟹摄食试验饲料1周后,0.1%组和0.5%组的酚氧化酶(PO)活性显著升高(P<0.05),但β-葡聚糖含量提高至1%以上时PO活性有下降的趋势;
After 1 week feeding , the phenoloxidase ( PO ) of 0.1 % group and 0.5 % group was increased markedly ( P < 0.05 ) . However decrease tendency was appearing , when the β - glucan content was above 1 % ;
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研究了饲料中添加不同含量VC对河蟹体内超氧化物歧化酶(SOD)、碱性磷酸酶(ALP)和酸性磷酸酶(ACP)活性的影响。
The effect of vitamin C ( V C ) on superoxide dismutase ( SOD ), alkaline phosphatase ( ALP ) and acid phosphatase ( ACP ) activities of the Chinese mitten-handed crab Eriocheir sinensis was studied by supplying various V C levels in the diets .
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中华绒螯蟹(Eriocheirjaponicussinensis)是我国重要的经济蟹类,俗称河蟹。中国鲎(Tachypleustridentatus)基因工程抗菌肽的制备及其生物活性研究
The Chinese mitten crab ( Eriocheir japonicus sinensis ) is of important value in Chinese and overseas markets . Studies on Preparation of Antimicrobial Peptide from Horseshoe Crab ( Tachypleus Tridentatus ) with Gene Engineering Method and Its Biological Activity
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河蟹亲蟹促产及抱卵蟹培育技术要点
Induced Spawning of Mitten Crab and Cultivation Techniques for Berried Crab
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互联网让用户轻易接触暴(河蟹)力和色(河蟹)情。
The internet enables users to access violence and pornography easily .
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河蟹仔蟹管道式饲养初步研究
Preliminary Study on Pipeline Culture of Juvenile Crab , Eriocheir sinensis
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如题所示,请勿发表不河蟹内容。
As the title suggests , not published without good content .
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控制河蟹性早熟技术研究
Studies on Techniques of Controlling Sexual Early-maturing of River Crabs
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地下卤水在河蟹育苗中的应用研究
On Application of Underground Brine to Seed-rearing of River Crab
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池塘河蟹生态养殖对水体环境的影响
Effect of river crab eco-culture in ponds on water environment
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复合法制备河蟹蛋白水解液工艺条件的研究
The Technology of Hydrolysis and UV for the Protein of River Crab
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冬季河蟹人工育苗的生产试验
Experiment on Artificial Reproduction of Chinese Mitten Crab in Winter
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湖区河蟹群体通常由三个年龄组组成。造成河蟹资源量年变化有三方面原因。
River crab population consist of three year - groups in lakes .
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另外,低氧对河蟹幼蟹的生理免疫影响显著。
Moreover , hypoxia significantly influenced the most immunological and physiological indices .
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池塘精养河蟹技术研究
Studies on Technique for Intensive Culture of River Crab in the Pond
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草型湖泊河蟹养殖容量初探
Studies on the carrying capacity of Chinese mitten crab in macrophytic lakes
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河蟹育苗中地下井盐水的应用
Application of Well Salt Water to Breeding of Eriocheir sinensis
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安徽省河蟹人工半咸水育苗技术分析
Analysis on Larval Rearing in Artificial Half-salt Water of Chinese Mitten Crab
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河蟹大眼幼体培育至期仔蟹的试验
Experiment on Culturing Crab from Megalopa to ⅲ Stage Larval
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中国的河蟹养殖及其发展前景
The culture of Chinese mitten crab and the prospect of its development
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河蟹土池人工育苗有关问题的初步探讨
Preliminary discussions on some problems about artificial propagation of E.sinensis in Earth Ponds