查询词典 leaching

The method of acidothioureation leaching (with 732 resin) for the extraction of gold from ore Containing Sulfurs and concentrate of gold was Studied.

本文报导了在硫酸酸性介质中以Fe~(3+)离子为氧化剂，用硫脲浸出，732型离子交换树脂吸附回收含硫金精矿中金的方法。

Leaching sulphate concentration was increased when inoculation concentrations superinduced, difference between 25% and 50% inoculation was not obviously after several days of bioleaching.

该菌在培养过程中pH先上升后下降最后稳定在2.0左右，60h培养后溶液中的亚铁离子浓度降至检测范围以下，同时生成含有三价铁的褐色沉淀。

The increasing of soil Bray-1 phosphorus was significantly correlated to the dissolved labile phosphorus (p 0.001), and the phosphorus leaching loss under the precipitation of two-times of normal precipitation is more than 3.6 times than that of normal precipitation.

生物固形物的施用会造成表层0-10 cm土壤Bray-1磷的累积，由於土壤中Bray-1磷浓度与洗出液中溶解性反应磷的流失量有显著相关(p 0.001)，且两倍雨量淋洗下洗出液中磷的流失量是正常雨量下的3.6倍，因此，生物固形物的施用仍须考量磷流失的风险。

Experiments of soil leaching, ammonia volatilizing and州culture on maize were conducted to study the nitrogen releasing law and the biologic

脸研究自制竹炭包膜尿素的氮素释放规律和生物利用效果。声果竹炭包膜尿素县有一定的缓释性舱，其氮素的29 d累积淋出率比

Resisting water, acid and alkali properties of the modified nano-silica-filled vulcanizes can be improved accordingly, and leaching liquor ion form vulcanizes decreases.

硫化胶填充纳米二氧化后，耐酸性、耐碱性、耐水性得到了不同程度的提高，硫化胶浸出液离子降低。

The paper studied the semi-industrial test of extracting Vanadium pentoxide by the pelletization-rotary kiln roasting-low acid leaching-ion exchange technology from the Vanadium-containing kaolin.

对含钒高岭土进行了制粒-回转窑焙烧-低酸浸出-离子交换提取五氧化二钒的半工业试验，试验结果表明，回转窑焙烧过程钒的转化率达到74%以上，全流程五氧化二钒回收率达到71。

The paper studied the semi-industrial test of extracting Vanadium pentoxide by the pelletization-rotary kiln roasting-low acid leaching-ion exchange technology from the Vanadium-containing kaolin.

对含钒高岭土进行了制粒-回转窑焙烧-低酸浸出-离子交换提取五氧化二钒的半工业试验，试验结果表明，回转窑焙烧过程钒的转化率达到74%以上，全流程五氧化二钒回收率达到71.82%，产品质量达到国家标准GB3283-87要求。

The ammonia leaching process of zinc oxide is thermodynamically analyzed based on the feature of refractory zinc oxide minerals.

针对难选氧化锌矿的特点，对氧化锌矿氨浸过程进行热力学分析。

Brief description is given to the test on the technology for comprehensively recovering gold and silver from tellurium-bearing slag: Tellurium-bearing slag is ground and leached with water to produce crud tellurium dioxide which is then purified through ion precipitation and complexing purification process; leaching reside is leached with chloride to produce copper and bismuth, bismuth oxychloride is recovered through neutralization and hydrolysis and sponge copper is recovered through cementation; gold and silver in the remaining residue can be recycled to the gold and silver smelting system for recovery.

文摘：简述了碲渣综合回收金银等的工艺试验：碲渣经磨矿水浸碲产出粗二氧化碲，用离子沉淀和络合净化法提纯；浸碲渣用氯盐浸出铜铋，中和水解回收氯氧铋，置换回收海绵铜；残留渣中的金银可返回金银冶炼系统回收。

Due to the waist near the hips, if too much force spanking when injured muscle tissue will break down an iron leaf pigment leaching toxins, the impact of renal tubular absorption and excretion, if renal dysfunction, then certainly the formation of acute failure, disease, medical syndrome known as the squeeze on the urinary system physiology is a serious threat.

由于腰部靠近臀部，如果打屁股时用力过猛，受伤的肌肉组织会分解出一种铁叶淋素的毒素，影响肾小管的吸收和排泄，如若肾脏功能异常，则必定形成急性衰竭症，医学上称为挤压综合症，对泌尿系统的生理是个严重威胁。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。