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土壤養分快速測定儀又稱土(tu)壤肥(fei)料(liao)養分(fen)快速測(ce)(ce)(ce)定(ding)(ding)儀和(he)土(tu)壤肥(fei)料(liao)快速測(ce)(ce)(ce)定(ding)(ding)儀,該儀器主(zhu)要用于(yu)檢(jian)測(ce)(ce)(ce)土(tu)壤中(zhong)(zhong)的(de)水(shui)、鹽、ph值、總氮(dan)(dan)、銨態氮(dan)(dan)、堿(jian)解(jie)氮(dan)(dan)、有效磷、有效鉀、鈣鎂、硼等,以及肥(fei)料(liao)中(zhong)(zhong)氮(dan)(dan)、磷、鉀含量,緩(huan)解(jie)了(le)全(quan)國農(nong)(nong)(nong)(nong)民(min)對測(ce)(ce)(ce)土(tu)、配方施肥(fei)的(de)需(xu)求,也為(wei)化(hua)肥(fei)生(sheng)(sheng)產企業(ye)(ye)實現(xian)專業(ye)(ye)化(hua)、系統化(hua)、信息(xi)化(hua)、數據(ju)化(hua)提供(gong)了(le)可靠(kao)的(de)依(yi)據(ju)。是農(nong)(nong)(nong)(nong)業(ye)(ye)部門(men)測(ce)(ce)(ce)量土(tu)壤、制定(ding)(ding)施肥(fei)的(de)儀器。廣(guang)泛應用于(yu)各(ge)級農(nong)(nong)(nong)(nong)業(ye)(ye)檢(jian)測(ce)(ce)(ce)中(zhong)(zhong)心、農(nong)(nong)(nong)(nong)業(ye)(ye)科研機構、化(hua)肥(fei)生(sheng)(sheng)產、農(nong)(nong)(nong)(nong)業(ye)(ye)生(sheng)(sheng)產資料(liao)、農(nong)(nong)(nong)(nong)業(ye)(ye)技術(shu)服(fu)務、種植基地等領域。
你認(ren)為土(tu)(tu)壤(rang)(rang)養(yang)分(fen)(fen)快速(su)分(fen)(fen)析儀的(de)穩定性如何(he)?隨著中國農業(ye)(ye)開(kai)始向現代精(jing)準農業(ye)(ye)邁進(jin),土(tu)(tu)壤(rang)(rang)養(yang)分(fen)(fen)檢(jian)(jian)(jian)測(ce)(ce)儀在農業(ye)(ye)土(tu)(tu)壤(rang)(rang)測(ce)(ce)量(liang)中發揮(hui)了(le)重要(yao)作用(yong)。土(tu)(tu)壤(rang)(rang)養(yang)分(fen)(fen)檢(jian)(jian)(jian)測(ce)(ce)儀的(de)應用(yong),促進(jin)了(le)土(tu)(tu)壤(rang)(rang)測(ce)(ce)量(liang)和(he)配方(fang)施肥技術(shu)的(de)發展。然而,很多(duo)人擔心土(tu)(tu)壤(rang)(rang)養(yang)分(fen)(fen)檢(jian)(jian)(jian)測(ce)(ce)儀的(de)穩定性。今天,我們就來聊(liao)聊(liao)土(tu)(tu)壤(rang)(rang)養(yang)分(fen)(fen)檢(jian)(jian)(jian)測(ce)(ce)儀的(de)穩定性。
土壤養分速測(ce)儀的(de)穩定(ding)性(xing)(xing)(xing)決定(ding)著測(ce)土結果的(de)準確性(xing)(xing)(xing),穩定(ding)性(xing)(xing)(xing)不(bu)(bu)合格(ge)的(de)儀器(qi)會讓(rang)人煩惱。檢查穩定(ding)性(xing)(xing)(xing)的(de)方法是:(1)接通電源(yuan),將儀器(qi)預熱5-10分鐘。(2)將儀器(qi)遮光(guang)(guang)(guang)蓋蓋上,調整儀器(qi)使顯示(shi)(shi)器(qi)讀數(shu)(shu)為0(吸(xi)光(guang)(guang)(guang)度(du))、100(透(tou)光(guang)(guang)(guang)度(du))。(3)觀察(cha)儀器(qi)讀數(shu)(shu)變化(hua)。一到兩(liang)分鐘內(nei)顯示(shi)(shi)數(shu)(shu)字(zi)(zi)無漂移(yi)(透(tou)光(guang)(guang)(guang)度(du)測(ce)量),五分鐘內(nei)數(shu)(shu)字(zi)(zi)漂移(yi)不(bu)(bu)超過0.3%(透(tou)光(guang)(guang)(guang)度(du)測(ce)量);二(er)十分鐘內(nei)數(shu)(shu)字(zi)(zi)漂移(yi)不(bu)(bu)超過0.5%(透(tou)光(guang)(guang)(guang)度(du)測(ce)量)、0.001(吸(xi)光(guang)(guang)(guang)度(du)測(ce)量);三十分鐘內(nei)數(shu)(shu)字(zi)(zi)漂移(yi)不(bu)(bu)超過0.7%(透(tou)光(guang)(guang)(guang)度(du)測(ce)量)、0.002(吸(xi)光(guang)(guang)(guang)度(du)測(ce)量)。若儀器(qi)顯示(shi)(shi)數(shu)(shu)值的(de)*大和*小讀數(shu)(shu)之(zhi)差超過以上讀數(shu)(shu),即說明(ming)儀器(qi)的(de)穩定(ding)性(xing)(xing)(xing)不(bu)(bu)合格(ge)。
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