x
uploads/submerse.jpg

submerse vt.=submerge.

submersed

The control system of mould level is crucial to improve the slab quality in the continuous casting process , pid controller is used in the traditional mould level control , and it has some defaults , such as : at the start - up or finishing period of casting or during the changeover of tundish , pid control has a bad effect , its overshoot is large and its transient time is long ; the erosion of the tundish stopper and the submersed nozzles lead to the accuracy of control become bad ; the abrupt falloff of block in the submersed nozzles makes the level acutely fluctuate , and pid control can not overcome the disturbances resulted from the change of casting speed 結晶器液位控制系統是提高連鑄產品質量的關鍵環節,傳統的連鑄機液位控制方法采用常規的pid控制,存在如下不足:開始、結束澆注和換中間罐澆注時,控制效果差,超調量大,過渡時間長;塞棒頭和浸入式水口被腐蝕后引起控制精度差;浸入式水口堵塞物的突然脫落所引起的液位劇烈波動;無法克服拉速波動引起的擾動。

Submersed land area including different utilizing type by sea water are calculated and the potential economic loss and population affected by the submerged disaster are assessed for no defence , different sea - level rise and high water level . furthermore , special topic maps of fatalness of sea level rise , vulnerability of land system , socio - economic and ecological vulnerability , and defending ability are produced . the following results are combined with the basic study cell based on area source model following mathematical models of risk evaluation , considered of defence or no defence 運用海平面上升災害危險性、土地系統易損性、社會生態經濟易損性和抗災能力的數學模型,在mapinfo軟件下運行,得到該區上述四種評估因子的專題圖;并分別按照考慮抗災能力以及不考慮抗災能力兩種情況,用海平面上升災害風險評估模型融合各因子,得到遼河三角洲(盤錦市)海平面上升災害綜合風險評估圖。

For the relationships between zoobenthos and environmental factors , results showed that zoobenthic standing crops were positively correlated with submersed aquatic macrophytes , total phosphorus and total nitrogen contents but were negatively correlated with depths and secchi disk transparencies 環境分析表明底棲動物總的現存量與水草生物量、總磷總氮含量均正相關,與水深、透明度均負相關。

Fish stocking in niushan lake eliminated submersed macrophytes and gave indirect effect on biomass in niushan lake to an extent that gastropod was only 1 / 5 as much of a typical macrophytic lakes such as hong lake 牛山湖中魚類的放養使水草出現衰退,該湖底棲動物雖然仍以螺類等刮食者為上,但生物見只有洪湖等典型草型湖泊的1 5 。

There were 119 species of wetland plants belonging to 82 genera and 44 families in yulin . 32 species were hygrophyte plants , 8 species were submersed plants , 11 species were floating plants , and 68 species were emergent plants 玉林濕地植物有44科82屬119種,其中濕生植物32種,沉水植物8種,浮水植物11種,挺水植物68種。

Taxonomic groups of zoobenthos were significantly correlated with biomass of submersed aquatic macrophytes , depths , secchi disk transparencies , total phosphorus and total nitrogen contents 底棲動物各個類群的現存量與水草生物量、水深、透明度、總磷和總氮的關系均較密切。

Standard guide for conducting static , axenic , 14 - day phytotoxicity tests in test tubes with the submersed aquatic macrophyte , myriophyllum sibiricum komarov 在裝有浸入式水生大型植物狐尾藻屬sibiricum蜀試驗管里進行靜態無菌和14日植物毒性試驗的標準指南

Estimation of n loss loading by runoff from paddy field during submersed period in hangjiahu area 杭嘉湖地區淹水稻田氮素徑流流失負荷估算

At present the submersed macrophytes in the lake are almost absent but floating plant 現在該湖沉水植物消失,菱等浮葉植物卻泛濫成災。

Report on historic relic survey of the submersed area of qiaoqi reservoir in baoxing county 寶興磽磧水庫淹沒區文物調查報告