It is efficient to eliminate the occurrence of transverse crack on weld by means of optimizing welding,sizing process and strictly control to inclusions class of raw material.
通过严格控制原料的夹杂物级别和优化焊接、定径工艺可以有效地消除焊缝横向裂纹的产生。
Spatial pattern of euphotic depth and estimation of phytoplankton primary production in Lake Taihu in autumn 2004;
太湖秋季真光层深度空间分布及浮游植物初级生产力的估算
The Response of Size Fraction Phytoplankton to Nitrogen and Phosphorous
不同粒级浮游植物对氮磷营养盐的响应
RELATIONSHIP OF ALL SIZE-FRACTIONATED PHYTOPLANKTON WITH ENVIRON-MENTAL FACTORS AFTER BIOREMEDIATION IN BLACK AND FECULENT WATER
黑臭水体生物修复中各粒级浮游植物与环境因子的关系
Chlorophyll-a concentration and phytoplankton size-fractionated composition in Jiaozhou Bay
胶州湾叶绿素a浓度及浮游植物的粒级组成
Size structure and potential export of phytoplankton primary production in the southern Huanghai(Yellow) Sea
南黄海浮游植物初级生产力粒级结构与碳流途径分析
Study on Size-fraction and Carbon Fixation of Phytoplankton Primary Productivity in Jiaozhou Bay
胶州湾浮游植物初级生产力粒级结构及固碳能力研究
The Impact of Cascade Exploitation on the Phytoplankton in the Upper Reaches of the Wujiang River;
乌江上游梯级开发对浮游植物分布的影响研究
Preliminary Studies on Cascade Grazing of Mesozooplankton on Phytoplankton and Microzooplankton Community in the Jiaozhou Bay
胶州湾中型浮游动物对浮游植物和微型浮游动物级联式摄食的初步研究
Primary production of the Nanhu Lake aquatic ecosystem in Changchun(Ⅰ)-- phytoplankton
长春南湖水生生态系统的初级生产(Ⅰ)——浮游植物
Effect of Radiation on the Primary Productivity of Phytoplankton in Lake Taihu;
光辐射对太湖浮游植物初级生产力的影响研究
Respiration and production of size-fractionated plankton in ponds with sea cucumber Apostichopus japonicus
刺参养殖池塘不同粒级浮游生物呼吸率和初级生产率的研究
Study on Species Distribution and Quantity of Phytoplankton and Zooplankon in the Rare and Unique Fish National Nature Reserve on Yangtze Upriver;
长江上游珍稀、特有鱼类国家级自然保护区浮游植物和浮游动物种类分布和数量研究
Studies on Size Effect on the Growth of Marine Phytoplankton in Different Kind of Environment Pollutants;
不同环境污染物条件下海洋浮游植物生长的粒径效应研究
Analysis of equivalent spherical diameter composition and its influencing factors of dominant species of phytoplankton in Ma'an Archipelago
马鞍列岛海域浮游植物优势种粒径组成及影响因子分析
"Plants and other photosynthetic organisms (such as phytoplankton), which convert solar energy to food, are the primary food source."
植物和其它光合生物(如浮游植物)通过光合作用把太阳能转变为食物,是初级食物来源。
Study on the Underestimation of the Determination of Primary Productivity Deduced from DOC Released by Phytoplankton
浮游植物释放的溶解有机碳对初级生产力测定的低估偏差研究
Studies on the Relationship between Solar Radiation and the Primary Production of Phytoplankton Assemblages in the Coastal Water of South China Sea;
南海近岸海域浮游植物初级生产力与阳光辐射关系的研究
Cascade Damming of the River and Its Phytoplankton Evolution Carbon isotope Compositions
河流梯级拦截及其浮游植物演化的碳同位素示踪
Minute, free-floating aquatic plants.
浮游植物群落自由浮动的微小水生植物群
