电站余热淡化海水研究     

鲁海军  温高 《绿色科技》2011,(12)

提出了一种直接利用燃煤电站余热淡化海水装置，从理论上研究了最高海水温度对系统性能的影响，分析了最高盐水温度对装置的造水比和冷却海水流量的影响以及该系统的经济性。结果表明：该系统能耗小，淡化成本低，同时利用了大量余热，证明该装置具有较大的应用前景。  相似文献   

保持产量提高蕃茄品质的盐水灌溉     

米兹.  Y 杨戈 《干旱区研究》1992,9(3):21-27

以两种不同稀释浓度的海水(3和6西门子/米)滴灌“PClll”蕃茄,分别在第一片真叶(早期)和第一个裂果出现(晚期)时进行。一般而言,盐分提高了风味、可溶性固形物及糖的浓度,减少了色斑。因而提高了果实的总体品质,货架寿命未受盐处理的影响。最重要的发现是:在植物发育后期,用低浓度盐水灌溉,其总产量与对照相比无实质性的差异、达出口质量的产量相同,而果食的品味远比对照好。沙漠地区温室栽培的蕃茄,采用盐水灌溉的方法提高果食品质是可行的。  相似文献   

Rearing of squid hatchlings, Heterololigo bleekeri (Keferstein 1866) up to 2 months in a closed seawater system     

Yuzuru Ikeda  Ikuko Sakurazawa  Kingo Ito  Yasunori Sakurai  & Gen Matsumoto 《Aquaculture Research》2005,36(4):409-412

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海水围塘生态栽培坛紫菜     

骆其君  冯婧  严小军  吕彤 《水产科学》2006,25(11):588-590

紫菜（Porphym sp）原是生长在潮间带的岩礁上，尤其是在风浪大、潮流畅通的海区生长良好。经过多年的人工栽培，紫菜已适应于在潮间带和浅海的养殖筏架的栽培。坛紫菜（Porphyra haitanensis）作为浙江、福建海区常见的栽培藻类和重要的食用经济海藻，有近40年栽培的历史。但潮间带可以用作栽培坛紫菜的空间越来越小，必须开拓新的栽培空间。在围塘栽培紫菜则是一种新开拓的栽培方法。  相似文献   

海水池塘养殖模式优化：概念、原理与方法   总被引：5，自引：2，他引：5  

王岩 《水产学报》2004,28(5):568-572

随着海洋渔业资源衰退和人类社会对水产品需求的持续增长,海水养殖规模逐年扩大,养殖生产对环境的影响也日益严重[1-6]。现已确认海水鱼虾类养殖是造成海洋沿岸带水域富营养化的重要污染源之一[5-8],这一严峻现实要求今后在发展海水养殖产业时不仅需要宏观上对养殖区域和养  相似文献   

Changes in seawater tolerance during the development of eyed-stage embryos in shishamo smelt Spirinchus lanceolatus (Hikita)     

Shinya Mizuno  Yoshitaka Sasaki  & Kazushi Imada 《Aquaculture Research》2005,36(6):615-619

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淡水养殖梭鱼的人工繁殖机理   总被引：1，自引：1，他引：1  

陈惠彬 《水产学报》1989,13(2):109-115

1982～1986年;作者采用外源药理学方法,使淡水养殖梭鱼(S‰0.297-0.569)克服了“淡水不育症”,雌鱼性腺成熟率85％以上,完全取代了“海水过渡”。在人工催产中又克服了排卵机制的障碍及胚胎对环境的不适应,并对梭鱼亲鱼血清激素含量进行放射免疫(RIA)测定及电子显微镜对梭鱼脑垂体亚显微结构进行观察。提出梭鱼存在血脑屏障。  相似文献   

规格与盐度对凡纳滨对虾肌肉营养成分的影响     

文国樑  李卓佳  林黑着  杨铿  曹煜成  陈永青 《南方水产》2007,3(3):31-34

分析测定了海水池塘养殖不同规格(8.3、12.5、16.7g.尾-1)凡纳滨对虾(Litopenaeus vannamei)及土池淡水养殖规格12.5g.尾-1凡纳滨对虾肌肉中水分、蛋白质、脂肪、灰分、脂肪酸和氨基酸组成,并进行品质评价。结果显示,海水养殖对虾肌肉的水分、脂肪和虾味氨基酸含量随着对虾规格的增大而减少,蛋白质、灰分、氨基酸、必需氨基酸、半必需氨基酸和鲜味氨基酸总量随着对虾规格的增大而增加;相同规格的凡纳滨对虾中,淡水养殖对虾的含水量、脂肪含量和不饱和脂肪酸含量较高,蛋白质、灰分、鲜味氨基酸总量和虾味氨基酸偏低。综合指标表明,海水养殖凡纳滨对虾的营养价值随着规格的增大而提高;在蛋白质、灰分、鲜味氨基酸和虾味氨基酸含量上,海水养殖对虾高于同一规格的淡水养殖对虾。  相似文献   

Alkaloid Accumulation in Catharanthus roseus Increases with Addition of Seawater Salts to the Nutrient Solution   总被引：1，自引：0，他引：1  

WANG Jing-Yan  LIU Zhao-Pu College of Resources  Environmental Sciences  Nanjing Agricultural University  Nanjing 《土壤圈》2010,(6)

A sand culture experiment was conducted to determine the effects of different seawater (5% and 10%) treatments on plant growth,inorganic ions,indole alkaloid concentrations and yields of Catharanthus roseus,in an effort to increase the alkaloid yield by artificial cultivation.The total fresh and dry weights and tissue K + concentrations decreased,but Na + concentrations increased in the plant roots,stems and leaves of C.roseus under seawater stress as compared to the control.The concentrations and yields of...  相似文献   

Water Relations, Abscisic Acid and Yield of Wheat Plants in Relation to the Interactive Effect of Seawater and Growth Bioregulators   总被引：4，自引：0，他引：4  

H. S. Aldesuquy  & A. H. Ibrahim 《Journal of Agronomy and Crop Science》2001,187(2):97-104

Irrigation of wheat plants with seawater (10 and 25 %) led to significant increases in free and bound abscisic acid (ABA) in leaves, especially at 25 %. The relative water content (RWC) and water use efficiency (calculated from grain yield, WUE_G, or from biomass yield, WUE_B) of the seawater-irrigated plants were lower than those of the control. Grain pre-soaking in gibberellic acid (GA₃), indole-3-acetic acid (IAA) or ABA reduced the levels of accumulated ABA (free and bound) produced by seawater irrigation. The stress imposed by seawater generally reduced yield and yield components of wheat plants and the effect was more pronounced at the higher level of seawater irrigation (25 %). Furthermore, seawater treatments decreased the carbohydrate content and increased the protein content of the developing grains. The effect of seawater treatments on ion concentrations in the developing grains was not consistent. The application of growth bioregulators appeared to mitigate the effect of seawater salinity stress on wheat productivity. GA₃ was the most effective hormone in this regard. The economic yield (grain yield) had a strong positive correlation with RWC, WUE_G, WUE_B, plant height, shoot fresh and dry weight, grain number/main spike, kernel weight and harvest index.  相似文献