Traacs2000
Splet25. mar. 2024 · 水中硝态氮的测定方法（精选5篇）.doc Splet01. feb. 2024 · Soil samples from topsoil (0–12 cm) in each site were taken in early August 2014 with five replicates for determination of NH 4 + –N and NO 3 − –N concentrations using a continuous flow analyzer (TRAACS2000, Bran and Luebbe, Norderstedt, Germany). 2.5. Estimations of CH 4 emissions from sheep, sheepfolds and faeces
Traacs2000
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Splet17. feb. 2009 · Leachate NO 3 −, NH 4 +, and total N concentrations were determined using a continuous flow analyzer (TRAACS 2000, Bran and Luebbe Inc.). The amount of N leached at each collection time was calculated by multiplying the volume and the N concentration of leachate. The total amount of N leached over the whole growing period was obtained by ... Spletand DOC and IC were measured with a TRAACS2000 instrument (Bran Luebbe, Hamburg, Germany) and a TOC-VCPH analyser (Shimadzu, Kyoto, Japan), respectively. A GF/C membrane with a pore size of 1.2-μm (Whatman, Kent, UK) was used to measure chlorophyll a. When the other water qualities in the dissolved phase were measured, a
Splet01. apr. 2024 · Among soil chemical properties, soil pH and SOC were affected only by biochar addition, while EC was affected by both biochar addition and daily fertigation (all P < 0.05, three-way ANOVA; Table S2).In contrast to SWC, soil pH was generally reduced by biochar addition (Fig. 1 d).Although soil EC was decreased by biochar addition and daily … Splet01. feb. 2024 · Soil NO 3 −-N and NH 4 +-N contents were analyzed with a continuous flow injection analyzer (TRAACS2000, Hamburg, Germany) after extraction with 2 mol L −1 KCl. 2.4. PLFA analysis. Soil microbial community was analyzed with PLFA analysis. Briefly, lipids were extracted from 8 g freeze-dried soil using a mixture of chloroform–methanol ...
Splet24. apr. 2012 · The contents of inorganic N were measured with a continuous-flow analyzer (model TRAACS2000, Bran + Luebbe, Norderstedt, Germany). The soil H 2 CN 2 and DCD contents were analyzed using high-performance liquid chromatography (model L-6200, Hitachi High-Technologies Co. Ltd., Tokyo, Japan) with a UV-VIS detector (model L-4200 … Splet01. sep. 2024 · Soil available N (ammonium-N and nitrate-N) was analyzed using a continuous flowing analyzer (TRAACS2000, USA; Houba et al., 2000), while available P …
Splet29. jul. 2024 · The continuous flow analysis (TRAACS 2000) was used to analyze soil N min after extracted by CaCl 2 solution with 0.01 mol L −1 . The left soil samples were sieved (2 mm) and divided into two sub-samples. One portion was air-dried for analysis of soil chemical properties and the other one was stored at −20 °C for determination of soil ...
Splet15. nov. 2024 · TRAACS型海水分析システムの開発. 1987年米国テクニコン社新型の連続流れ分析装置としてTRAACS800型を開発した。. この装置は従来のオートアナライザー … research activities examplesSpletAbstract. Release, fixation, and distribution of ammonium (NH4 (+)) as a source of nitrogen can play an important role in soil fertility and plant nutrition. In this study, ten surface … research activities for high school studentsSplet01. okt. 2024 · analyzed using a continuous ow analyzer (TRAACS2000, Bran + Luebbe Co. ltd., Hamburg, Germany) after extraction with a 1 M KCl . solution. The soil pH in each vessel was measured in water (1:5, w/v). research adjustmentSpletAutoAnalyzer Control and Evaluation Software, AACE, is SEAL Analytical's Windows based software designed to run all SEAL Continuous Segmented Flow Analyzers. Designed by Scientists worldwide, AACE is written and supported by SEAL Analytical's team of programmers. Suitable for large and small systems, AACE makes analysis faster and … pros and cons of living in englandSplet15. mar. 2014 · AA3型连续流动分析仪（CFA）同时测定橡胶叶全氮、全磷、全钾的方法研究.doc research adjectiveSplet27. sep. 2024 · (TRAACS2000, USA) [28]. Soil available P was analyzed as the method described by Olsen. Table 1. The application amount of chemical fertilizer and irrigation water under different treatments in ... research administration listservSpletまtraacs2000（bran＋luebbe社製）を用いて定 量した．traacs2000ではno。十n02はカドミウム還 元法，po。はモリブテンプル一法により測定こした．栄 養塩の分析精度 … research activities for teachers