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.
通過嚴格控制原料的夾雜物級別和優化焊接、定徑工藝可以有效地消除焊縫橫向裂紋的產生。
Spatial pattern of euphotic depth and estimation of phytoplankton primary production in Lake Taihu in autumn 2004;
太湖秋季真光層深度空間分布及浮游植物初級生產力的估算
The Response of Size Fraction Phytoplankton to Nitrogen and Phosphorous
不同粒級浮游植物對氮磷營養鹽的響應
RELATIONSHIP OF ALL SIZE-FRACTIONATED PHYTOPLANKTON WITH ENVIRON-MENTAL FACTORS AFTER BIOREMEDIATION IN BLACK AND FECULENT WATER
黑臭水體生物修復中各粒級浮游植物與環境因子的關系
Chlorophyll-a concentration and phytoplankton size-fractionated composition in Jiaozhou Bay
膠州灣葉綠素a濃度及浮游植物的粒級組成
Size structure and potential export of phytoplankton primary production in the southern Huanghai(Yellow) Sea
南黃海浮游植物初級生產力粒級結構與碳流途徑分析
Study on Size-fraction and Carbon Fixation of Phytoplankton Primary Productivity in Jiaozhou Bay
膠州灣浮游植物初級生產力粒級結構及固碳能力研究
The Impact of Cascade Exploitation on the Phytoplankton in the Upper Reaches of the Wujiang River;
烏江上游梯級開發對浮游植物分布的影響研究
Preliminary Studies on Cascade Grazing of Mesozooplankton on Phytoplankton and Microzooplankton Community in the Jiaozhou Bay
膠州灣中型浮游動物對浮游植物和微型浮游動物級聯式攝食的初步研究
Primary production of the Nanhu Lake aquatic ecosystem in Changchun(Ⅰ)-- phytoplankton
長春南湖水生生態系統的初級生產(Ⅰ)——浮游植物
Effect of Radiation on the Primary Productivity of Phytoplankton in Lake Taihu;
光輻射對太湖浮游植物初級生產力的影響研究
Respiration and production of size-fractionated plankton in ponds with sea cucumber Apostichopus japonicus
刺參養殖池塘不同粒級浮游生物呼吸率和初級生產率的研究
Study on Species Distribution and Quantity of Phytoplankton and Zooplankon in the Rare and Unique Fish National Nature Reserve on Yangtze Upriver;
長江上游珍稀、特有魚類國家級自然保護區浮游植物和浮游動物種類分布和數量研究
Studies on Size Effect on the Growth of Marine Phytoplankton in Different Kind of Environment Pollutants;
不同環境污染物條件下海洋浮游植物生長的粒徑效應研究
Analysis of equivalent spherical diameter composition and its influencing factors of dominant species of phytoplankton in Ma'an Archipelago
馬鞍列島海域浮游植物優勢種粒徑組成及影響因子分析
"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)通過光合作用把太陽能轉變為食物,是初級食物來源。
Study on the Underestimation of the Determination of Primary Productivity Deduced from DOC Released by Phytoplankton
浮游植物釋放的溶解有機碳對初級生產力測定的低估偏差研究
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級生產力與陽光輻射關系的研究
Cascade Damming of the River and Its Phytoplankton Evolution Carbon isotope Compositions
河流梯級攔截及其浮游植物演化的碳同位素示蹤
Minute, free-floating aquatic plants.
浮游植物群落自由浮動的微小水生植物群