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1)  umber [英]['ʌmbə(r)]  [美]['ʌmbɚ]
棕土,褐土
2)  umber [英]['ʌmbə(r)]  [美]['ʌmbɚ]
棕土
1.
The study is to examine the sorption-desorption processes of mercury from umber at various experimental conditions, using isothermal equilibrium adsorption method and continuing desorption method of dilute Ca(NO3)2 solution.
用平衡液吸附和Ca(NO3)2溶液的解吸法,对棕土在pH3-6。
3)  Cinnamon soil
褐土
1.
Effect of P and Cd interaction on bioavailability of P and Cd in Cinnamon soil;
褐土中磷镉交互作用对磷镉有效性影响
2.
Effects of long-term inorganic fertilizer combined with organic manure on microbial biomass C、N and enzyme activity in cinnamon soil;
长期有机无机肥配施对褐土微生物生物量碳、氮及酶活性的影响
3.
Effect of nitrogen and potassium ratio on chemical components in tobacco leaves grown in cinnamon soil;
褐土上不同氮、钾比例对烟叶化学成分的影响
4)  clay [英][kleɪ]  [美][kle]
土褐
5)  Sinnamon and fluvo-aquic soils
褐土潮土
6)  brown desert soil
棕漠土
1.
By means of naturally burying specimens in soil,corrosion behavior of Al in brown desert soil in Xinjiang was studied.
采用试件自然埋藏试验方法研究了Al在新疆棕漠土中的腐蚀行为 。
2.
To explore the arid inland area of Xinjiang cotton nitrogen consumption growth,Through Xinjiang cotton brown desert soil drip irrigation test,study on conventional N(24 kg/666.
为探明新疆内陆区干旱区棉花生育期施N肥用量,通过棕漠土棉田膜下滴灌试验,研究了在常规施N(24 kg/666。
补充资料:生棕土颜料
分子式:
CAS号:

性质:以含二氧化锰和碳的褐铁矿为原料制得的一种天然氧化铁棕,主要成分为Fe2O3·xH2O,Fe2O3含量一般为50%,MnO2为10%,带浅绿色调的棕色,密度为3.27g/cm3,吸油量为44g/100g,比表面积为10.2m2/g,细度-325目99.8%。由含氧化锰和碳的褐铁矿粉碎、分级、混配而成。主要用于建筑材料、涂料等作着色剂。

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