volatilization method

挥发法

  • The thermogravimetric analysis was used to measure the volatilization loss curves of Pt-Pd-Rh alloys . The X-ray photoelectron spectroscopy and the sputtering stripping method were used to determine the chemical state and the concentration of constituent on the surface and subsurface of Pt-Pd-Rh alloys .

    用TG热重仪测定Pt-Pd-Rh合金的 挥发失重曲线,用X光电子能谱(XPS)和溅射剥离 技术确定其氧化态表层及次表层组元化学状态和浓度。

  • During the whole rotation cycle ammonia volatilization losing with optimization method was 2.76 % lower than that with normal method and nitrogen apparent efficiency used by rice and wheat with optimization method was 2 % and 6 % higher respectively than that with normal method .

    在整个轮作周期中,氨 挥发损失优化施肥比习惯施肥低 2.76%,稻、麦对氮肥的表观利用率优化施肥比习惯施肥分别高约2%和6%。

  • In this paper the principle of using Bowen ratio system to measure ammonia volatilization from large area field the details of installation of Bowen ratio system and the credibility degree of the method were discussed .

    本文介绍Bowen比仪测定大面积 农田 土壤挥发的基本原理、仪器安装的细节和方法的可靠程度,以及利用该 方法进行的5次田间试验的测定结果。

  • Zinc volatilization in the process of preparing Ni Zn ferrite powders by SHS and conventional solid phase method was investigated .

    研究了在用不同方法(SHS 方法和传统固相反应 )制备NiZn软磁铁氧体粉体的过程中,Zn 挥发 的变化。

  • Ammonia volatilization is an important pathway of N losses in the winter wheat-summer maize rotation system in the North China Plain . However the quantified information about ammonia volatilization under different conditions in this system is limited due to lack of available measurement method .

    氨挥发是华北平原冬小麦-夏玉米轮作体系氮肥损失的重要途径之一,由于缺乏准确、有效的测定 方法,该体系不同条件下氮肥的氨 挥发缺乏定量评价。

  • Experimental Study of Ammonia Volatilization Technics in the Production of Potassium Carbonate with Non-Carbonization Ion-Exchange Method

    离子交换免碳化 生产碳酸钾中挥 工艺实验研究

  • Improvement of Hydrofluoric Acid Volatilization Method for Determining Silica Dioxide in Quartz

    氢氟酸 挥发 测定石英砂中二氧化硅含量方法改进

  • Ammonia volatilization was measured by an enclosure method and N2O emission and denitrification loss were measured by without and with acetylene inhibition-soil core incubation technique respectively .

    乙炔 抑制-土柱培养法测定反硝化损失,不加乙炔培养则测定土壤N2O排放。

  • Aspen Plus simulation and experimental study on ammonia volatilization process in the production of potassium carbonate by ion-exchange method

    离子交换 生产碳酸钾 氨的aspenplus模拟与实验研究

  • This kind of composite conduit with good degradation and good drug release property was prepared by a solvent volatilization method using poly ( DL-lactide ) phosphate and nerve growth factor .

    采用聚乳酸作为基体材料,添加一定比例的钙磷无机盐和神经生长因子(NGF),通过溶剂 挥发 ,制备出一种新型的具有良好降解性能和药物释放性能的复合型神经导管。

  • Arsenic ( As ) accumulation and volatilization by microorganism decreasing environmental risk of As in soil has been recognized as an economically efficient remediation method without secondary pollution .

    利用微生物对砷(As)的累积与 挥发来降低土壤中砷的环境风险已被认为是一种经济、有效且无二次污染的修复 措施

  • Studies on the characteristic of ammonia volatilization in soil surface applied urea compound fertilizer coated urea and coated compound fertilizer by the enclosure method .

    应用密闭 对尿素及其二次加工产品&复合肥料、包膜尿素和包膜复合肥料在施入土壤后的氨 挥发特征进行了研究。

  • A continuous airflow enclosure chamber method was used to study ammonia volatilization from paddy field under the rice-wheat rotation system in South Jiangsu and effects of rate and method of nitrogen fertilizer application on ammonia emission from the field during the rice and wheat growing periods .

    采用密闭室法研究苏南地区稻麦轮作体系中,不同施N量和施N 方式对水稻和小麦生育期氨 挥发 损失的影响。

  • Ammonia volatilization was measured with the enclosure method in the laboratory in Japanese International Research Center for Agricultural Sciences ( JIRCAS ) in 2000 . The object was to test the effect of air flow-rate temperature and application method of urea on ammonia volatilization from paddy soils .

    在日本国际农林水产研究中心实验室用密闭室 测定了淹水条件下不同通气速率、不同温度和尿素施用方法的氨 挥发

  • Field in situ determination of ammonia volatilization from soil : Venting method

    田间土壤氨 挥发的原位测定&通气

  • The problem of reactive power optimization is infeasible in some cases which leads to the volatilization in iteration of primal-dual interior point method in the problem .

    针对电力系统在某些运行状态下无功优化的可行域为空,进而导致现代原对偶内点 方法迭代 发散的情况,通过引入同伦理论对无功优化不可行问题进行探测。

  • Based on experiments of various biomass flash pyrolysis volatilization performed with a laminar entrained flow reactor the model was checked by experimental data acquired with ash tracer method .

    通过在层流炉上进行的多种生物质闪速热解 挥发实验,并利用灰分示踪 计算得到了 挥发百分比实验数据。