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。
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 。
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。
The area brown purple soil of Sichuan province is about 166.
棕紫泥土在四川约有1·6642×106hm2,占石灰性紫色土亚类的39·27%。
burnt umber,ie reddish-brown pigment
烧棕土（一种红棕色颜料）.
Any of the shades of brown produced by umber in its various states.
棕土色由各种形态的棕土所产生的各种棕色
Of or related to umber.
棕土色的，与棕土色有关的
dark brown pigment obtained by heating umber.
加热棕土制成的深棕色颜料。
To darken with or as if with umber.
给或好象给…上棕土色
A natural brown earth containing ferric oxide and manganese oxides, used as pigment.
棕土含有红色氧化铁和氧化锰的天然棕色泥土，用作颜料
rendzina like brown soil
黑色石灰土状棕色土
rtndzina, terra fusca and cerra rossa
黑色、棕色和红色石灰土
mountain podzolic brown forest soil
山地灰化棕色森林土
brown [brownish] red
棕红(用土黄煅烧制成的颜料)
Characteristics and Origin of Brown Loess in Liaoning Province
辽宁棕黄土母质的特征及其成因初探
Prediction Method of the Characteristic Curve of Water in Brown Soil
潮棕壤土水分特征曲线预测方法研究
Effects of Magnetic Treatment on Some Soil Microbial Activities in Brown Earth
磁处理棕壤对土壤中几种细菌的影响
STUDIES ON SOME INDEXES OF ORGANIC MATTER IN BROWN-YELLOW SOILS WITH DIFFERENT FERTILITY LEVELS
不同肥力棕黄土(耕作棕壤)几项有机质指标的研究
The main soil types are mountain yellow-brown earth and limestone soil, and mountain marshy soils in localized areas.
其主要土壤类型为山地黄棕壤和石灰土及局部的山地沼泽土。
Any of various soft, fine clays, especially a reddish-brown variety used as a pigment.
红玄武土颗粒微小的松软土，尤指用作颜料的一种红棕色粘土
"bole:any of various soft, fine clays, especially a reddish-brown variety used as a pigment."
红玄武土颗粒:微小的松软土,尤指用作颜料的一种红棕色粘土。
The main material of brown fused alumina is bauxite, which is eletrically fused in high temperature.
棕刚玉是以铝矾土为主要原料，经高温熔炼而成。