Clay contains available nutrient elements . 粘土會有有用的營養(yǎng)元素。
Analyze on nutrient elements of grapefruit leaves introduced in yunnan 云南引進葡萄柚品種葉片營養(yǎng)分析
Change of mineral nutrient elements content in growing period of cerasus humilis 野生歐李生長期礦質(zhì)營養(yǎng)元素含量的變化
It is believed that this new diagnostic method is good for some easy movable nutrient elements 結(jié)果表明,對易流動營養(yǎng)元素來說,此法有較好的適用性。
The accumulating amounts of nutrient element in trifolium pratense population in different utilization periods 不同利用期紅三葉種群營養(yǎng)元素積累量的研究
Nutrient elements distribution and cycling in the second rotation chinese fir plantation at fast - growing stage 第2代杉木林速生階段營養(yǎng)元素的空間分布特征和生物循環(huán)
Study on the relationship between the soil nutrient elements and the apple fruit quality of the newly reclaimed apple orchard in taihang mountain gneiss area 太行山片麻巖區(qū)新墾蘋果園土壤營養(yǎng)與果實品質(zhì)的關系研究
In the braising apparatus , the water vaporizes immediately in the low temperature , which won ' t spoil the nutrient element and additive substance 在閃蒸器內(nèi),水份在低溫下瞬間蒸發(fā),不破壞牛奶營養(yǎng)成份及添加物質(zhì)。
Phosphorus is an essential nutrient element for phytoplankton in ocean environments , and sometimes a limiting factor for the primary productivity 摘要活性磷(正磷酸鹽)是海洋浮游植物生長所必需的物質(zhì)基礎,在某些海域,它甚至成為初級生產(chǎn)力的限制因素。
The pelagic - benthic coupling is realized by the deposition of phytoplankton and poc into the detritus and the transportation of nutrient elements from the bottom to the pelagic 水層和底棲生態(tài)系統(tǒng)的耦合是通過浮游植物與顆粒有機物的沉降和沉積物中營養(yǎng)鹽的再懸浮來實現(xiàn)的。