fixed ammonium中文什么意思

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用"fixed ammonium"造句

銨固定

fixed: adj. 1.固定的；確定的，不變的，固執(zhí)的。 2.【化 ...
ammonium: n. 【化學】銨。
be fixed to: 被固定到……
fixed: adj. 1.固定的；確定的，不變的，固執(zhí)的。 2.【化學】凝固的，不易揮發(fā)的。 3.〔美口〕(在經濟上)處境…的。 4.〔美俚〕(比賽等)通過作弊預先安排好結果的。 a fixed deposit 定期存款。 a fixed fact 〔美國〕確定事實。 a fixed gun 【軍事】固定機槍。 a fixed income 固定收入。 a fixed point 警察常駐的地方。 fixed par of exchange 匯兌的法定平價。 a fixed oil 不揮發(fā)性油，固定油。 well fixed 〔美國〕生活寬裕。
ammonium acetate: 醋酸銨; 乙酸銨

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例句與用法

Change of the fixed ammonium content in soil in different growth stage of huanghuacai was similar with available n content
在黃花菜生育期間，土壤固定態(tài)銨與堿解氮的動態(tài)變化基本一致。
The release of fixed ammonium still continued at the reaction time of 42 days . ph was an affecting factor of nh4 + - fixation in soil and the category of cation was an affecting factor of fixed - nh4 + - release from soil
供試土壤固定態(tài)銨的累計釋放量隨著時間的延長而緩慢增加，反應42天仍未達到最大值，土壤溶液中陽離子種類能影響固定態(tài)銨的釋放。
In the profile of 0 ~ 40 centimeter depth , the content of fixed ammonium had no distinct change , and it increased or had no distinct change in the profile of 40 ~ 75 centimeter depth . the percentage of fixed ammonium to total n in soils steadily increased with the increasing of depth
一般情況下，土壤剖面中的固定態(tài)銨含量在0 40cm范圍內變化不大， 40cm以下升高或無明顯變化；它占土壤全氮含量百分數則是隨剖面深度增大而增大。
The content of fixed ammonium , capacity of fixing - ammonium , available fixed ammonium , kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling , laboratory incubation and analyses . the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment
本文通過野外調查取樣、室內培養(yǎng)試驗和分析測定，研究了湖南省主要旱耕地土壤的固定態(tài)銨含量、固銨容量、有效性固定態(tài)銨含量以及土壤對銨離子的礦物固定和土壤固定態(tài)銨釋放的動力學特性，通過田間小區(qū)試驗，研究了不同施肥結構下土壤固定態(tài)銨在黃花菜生長期間的動態(tài)變化規(guī)律及其生物有效性。

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fixed ammonium中文什么意思

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