虾蟹
- 网络shrimp and crab
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虾蟹和蟹类体中Cu、Pb、Cd和Hg含量最高,鱼类最低,头足类居中;
The contents of these heavy metals in shrimp and crab were the highest , and followed ( cephalopod ), while those in fish were the lowest .
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虾蟹类维生素营养的研究进展
Advances in the Vitamin Nutrition of Shrimp and Crab
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伊乐藻(Elodea)在主养虾蟹池塘的应用试验
Experimental Application of Elodea in the Ponds for Farming Shrimp and River Crab
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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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虾蟹肌肉中主要积累的核苷酸成分AMP在加热后减少,而肌肉提取物中的游离氨基酸和结合氨基酸,特别是疏水氨基酸含量均增加。
The main nucleotides accumulated in the muscles of prawn and crab also decrease after heating . However , it is discovered that the free amino acids and combined amino acids in the extracts of the muscles increase after heating .
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本文还介绍了虾蟹类生物能量学研究一些新进展,如各种生态因子对虾蟹类能量收支的影响、SDA与营养因子关系的研究和虾蟹类响应环境突变的能量学机制的研究等。
This paper also introduces some recent progress in studies of decapod crustaceans , such as ecological factors influence to its energy budget , studies on SDA and nutritional factors , and studies on the mechanism how crustaceans adapt to environment changes .
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重要水产养殖虾蟹类的多倍体诱导及性别控制研究
Polyploid Induction and Sex Control in Several Economically Important Crustacean Species
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生物能量学理论及其虾蟹类的研究进展
Bioenergetics and Some Recent Progress in Studies of Decapod Crustaceans
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对雄性虾蟹的生殖营养及精子代谢作了综述。
This paper reviews nutrition reproduction and sperm metabolism in male decapod crustacea .
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厦门港湾及福建南部海域虾蟹类的生态特点
Studies on shrimps and crabs in the Xiamen Harbour and South Fujian waters
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养殖自污染因子对虾蟹健康的影响及其机理与控制
The Mechanism and Control of Self-pollution Factors Affecting Health of Prawn and Crab
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虾蟹类幼体的脂类需求及脂类与发育的关系
Lipid requirement of decapod crustacean larvae and the relationship between lipid and larval development
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我国淡水虾蟹养殖业的现状及发展方向
The Present Status and the Development Trends of Freshwater Prawn and Crab Aquaculture in China
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虾蟹混养生态环境初步研究虾蟹混养与病毒病的传播
Preliminary study of virus disease spread between shrimp and crab raised in the same pond
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四种虾蟹类幼体消化酶活力的比较研究
Comparative studies on digestive enzyme activities during larval development of four species of shrimps and crabs
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所用肉类都先剔除骨头,鱼去头尾和骨刺,虾蟹去壳。
Used to eliminate all meat , fish head bone spur , shrimp and crab shell .
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虾蟹类幼体的脂类营养需求
Lipid Nutrition of Decapoda Larvae
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但是如果你对吃虾蟹会过敏的话,还是别吃!
But if you will be allergic to eat crabs , so , or do not eat !
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虾蟹类共有20种;
20 species were crustaceans ;
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水中饵料生物的种类和数量对虾蟹繁育率的影响
Effect of the Species and Quantities of Aquatic Food Organisms on the Reproductive Rate of Shrimp and Crab
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虾蟹类精子结构的变化可以作为监测环境污染的重要形态学指标。
Our results show that the sperm ultrastructure alteration can act as an index of heavy metals pollution of environment .
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这些结果为探明螺原体抗原蛋白与宿主相互作用的免疫调节机制以及今后虾蟹类螺原体病害的防治提供了重要的理论依据。
The study provided important theoretical foundation for studying the disease control and immunologic mechanism between the antigenic proteins and hosts .
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这以后有老半天,大家都默不作声,只是踩着水往前走,一边寻找水中的虾蟹。
And then for quite a long time there was no more talking , only splashing and looking for shrimps and crabs .
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虾蟹壳生产甲壳素废碱液的成分分析用日本蟹壳生产优质甲壳素的工艺研究
Composition analysis of alkali wastewater from chitin processing Studies on the technology of producing good quality chitin from the shell of Charybdis japonica
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目前有关Cd2+对生殖内分泌的研究主要集中在哺乳动物,对虾蟹生殖内分泌毒性效应的研究较少。
At present , the study of effects of cadmium on reproductive endocrine mainly concentrate on mammal , while little on shrimps and crabs .
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阐述了当前我国淡水虾蟹养殖业的发展特点是:养殖规模进一步扩大,养殖产量进一步增加;养殖技术的突破,为渔业增效提供了保障;
The paper describes the characteristics of the prawn development : the scale is expanded , the yield is enhanced , the farming technology is improved .
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海水虾蟹类不同地理种群自繁、杂交后代形态、生长差异研究进展
Recent Progress in the Fields of Morphological Variations and Growth Performance for Progenies from Mating and Cross of Geographical Populations of Marine Cultured Shrimps and Crabs
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以虾蟹壳废料为原料制得的天然高分子絮凝剂壳聚糖,资源丰富,价格低廉。
Chitosan is a nature polymer flocculant and mainly made of shrimp and crab shells . The chitosan resource is abundant and its price is getting cheaper .
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详细介绍了虾蟹壳酶法脱蛋白、甲壳素酶法脱乙酰及壳聚糖酶法降解这三方面的研究概况。
Deproteinization of shrimp and crab shell powder ( SCSP ), deacetylation of chitin and depolymerization of chitosan in enzyme method were introduced completely in the article .
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油葫芦的甲壳素含量为8.7%,而且从该虫提取甲壳素/壳聚糖的品质在甲壳素色泽及残留灰分含量、壳聚糖粘度等方面比常规甲壳素原料虾蟹壳的好。
The chitin content of the insect was 8.7 % with a better quality than the commercial chitin that was prepared from shells of shrimp and crab .