硫化钠

硫化钠只能降低Pb的活性。

Sodium sulfide only reduced the activity of Pb .

在酸浸液PH≈1.8，温度为50～60℃，以硫化钠沉淀重金属；

Heavy metal could be precipitated at pickling solution pH ≈ 1.8 , temperature 50 ~ 60 ℃ and sodium sulfide as vulcanization precipitant ;

工艺产生的废水在控制合适的pH值或通过添加硫化钠的方法，可以达标排放，满足污水综合排放要求。

The waste water produced in the leaching process can be purified by controlling the value of pH or adding Na2S .

Nafion膜对多硫化钠/溴电池性能的影响

Effect of Nafion membrane on the performance of sodium polysulfide / bromine battery

当硫化钠施用量为0.00351thm-2时，植物体Pb质量分数下降了23.8%，同时使植物的生物量增加。

The content of Pb in asparagus lettuce was decreased by 23.8 % and biomass increased when the addition level of sodium sulfide was at 0.00351 thm-2 .

高纯度的无水硫化钠是合成高性能特种工程塑料聚苯硫醚（PPS树脂）的优质原料。

High purity anhydrous sodium sulfide is the superior raw material for the manufacture of special engineering plastics PPS resin .

研究结果表明，石灰、腐殖酸、硫化钠均能降低Pb的植物可利用性。提出了掺水泥、石灰和固化剂等3种改良方法。

The results showed that the three soil additives reduced the phyto-availability of Pb in polluted soils . Cement , lime and cure additives are used in the soil .

结果表明，P型半导体（以黄铁矿为典型代表）具有良好硫化钠诱导浮选行为，N型半导体（以方铅矿为典型代表）具有良好自诱导浮选行为。

The results have shown that the P-type semiconductor ( pyrite as a typical one ) displayed a good Na2S-induced flotation behavior , but the N-type one ( galena as a typical one ) a good self-induced flotation behavior .

研究了多硫化钠-溴（PSB）储能电池用多孔碳电极。

Porous carbon electrodes for sodium polysulfide / bromine ( PSB ) energy storage cell were investigated in this paper .

用对二氯苯和硫化钠在合适的溶剂中经催化反应生成PPS，目前已能规模化生产。

In the presence of catalyst , PPS can be synthesized by p dichlorobenzene and sodium sulfide in proper solvent . PPS can be manufactured heretofore .

红外光谱研究表明，硫化钠、正辛醇、DDA与菱锌矿表面发生物理吸附。

FTIR result showed that it is the physisorption of the interaction among sodium sulfide , DDA and n-octanol with smithsonite 's surface .

当合成大蒜素B的浓度达到2mg/mL，就能够完全抑制根霉孢子生长。（4）此外，通过超声波辅助过硫化钠法又合成了八种大蒜素类化合物，并进行了最小抑菌浓度MIC的研究。

Rhizopus spore growth is completely inhibited when the concentration of the synthetic allicin B is2mg / mL. ( 4 ) In addition , through ultrasonic assisted " sodium sulfide " method eight allicin substances were synthesized .

采用硝酸镉阳离子前驱体溶液，硫化钠阴离子前驱体溶液，通过一种新的原位化学反应沉积法在玻璃基片上研究了纳米晶CdS薄膜的制备。

Nanocrystalline CdS thin films were deposited on glass substrates by a new in-situ chemical reaction synthesis using cadmium precursor solid films as reaction source and sodium sulfide based solutions as anionic reaction medium .

肯定了硫化钠的脱药效果和DW对脱药后的铜铅混合精矿的抑制性差异；

It was affirmed that it had a remarkable removal effect , and there are some differences in inhabitation of the copper and lead mixing concentrate by DW .

浮选实验，电化学研究表明，黄铜矿表现出较差的硫化钠诱导浮选行为，而黄铁矿则很好。硫化钠诱导浮选机理是由于HS－离子在矿物表面氧化产生疏水性的元素S0所致；

In the light of flotation tests and electrochemical studies , pyrite exhibited good Na 2S-induced flotation , but that of chalcopyrite was depressed by Na 2S .

用元素分析、1H-NMR和13C-NMR波谱比较了硫化钠预处理硫酸盐制浆和常规硫酸盐制浆溶出木质素的化学结构。

Chemical structure characteristics of dissolved lignins from sodium sulfide pretreatment and control kraft pulping were studied by the elemental analysis , 1H-NMR and 13 C-NMR spectra .

给药前1d将小鼠背部用8%硫化钠脱毛，去毛面积4cm2，脊柱左右区各2cm2。

One day before administration , the mouse back was depilated with 8 % sodium sulfide at the depilation area of 4 cm2 ( 2 cm2 of left and right region of spine ) .

正如预料的那样，XRD实验结果表明，用这三种沉淀剂（氢氧化钙，碳酸钠和硫化钠）获得金属污泥的主要成分分别是金属氢氧化物，金属碳酸盐和金属硫化物。

As may be expected , the XRD results show that the most significant metal composition in the sludge obtained from the three precipitants ( lime , Sodium carbonate and Sodium sulfide ) was the metal hydroxide , metal carbonate and metal sulfide respectively .

多硫化钠/溴（PSB）贮能电池具有成本低、寿命长、效率高、响应快等优点，适合建造大规模贮能电站。

Sodium polysulfide / bromine ( PSB ) energy storage battery had advantages of high efficiency , long lifetime , low cost and rapid response . It was suitable for utility scale application .

用石墨纤维毡和活性炭颗粒分别制备了多硫化钠/溴（PSB）液流储能电池用流通型（flow-through）电极和流经型（flow-by）电极。

Based on graphite felt and activated carbon particle , flow-through and flow-by electrodes for sodium polysulfide / bromine ( PSB ) redox flow battery are prepared respectively .

硫化氢标准溶液配制代替硫化钠标准溶液配制法的探讨高效液相色谱法考察大黄素在HBSS溶液中的溶解度及其稳定性

The Research of Using Hydrogen Sulfide Standard Solution to Replace Sodium Sulfide Standard Solution ; Solubility and stability of using high performance liquid chromatography

由硫化钠和钼酸钠水溶液反应生成棕色三硫化钼膏状沉淀，将三硫化钼粉末干燥后在氢气保护气氛中于适宜温度下煅烧脱硫，制得了粒径为20～30nm的纳米MoS2颗粒。

The nanoparticles of molybdenum disulfide were prepared by heating molybdenum trisulfide precipitates obtained from the aqueous reaction of sodium sulfide and sodium molybdenate in hydrogen atmosphere .

研究了用多硫化物溶液直接浸出焙砂中的金，考察了温度、时间、S￣0／Na2S分子比。硫化钠浓度等因素对金浸出率的影响。

Gold in the calcine can be leached out directly by polysulfide solution . The effects of temperature , time , S0 / Na2S molar ratio and concentration of Na2S on gold leaching were investigated .

以氯化镉和硫化钠为原料，采用固体研磨法制备了尺寸为70nm的CdS，进而用溶胶-凝胶法制备了一系列不同配比的Fe3+-CdS/TiO2光催化材料。

The size of 70 nm cadmium sulfide was prepared from cadmium chloride and sodium sulfide as raw materials by solid grinding method and a series of Fe3 + - CdS / TiO2 photocatalysts were successfully synthesized by a sol-gel method .

以新研制的高纯度白色结晶硫化钠（Na2S质量分数约为45%）为原料，通过真空干燥脱水得到无水硫化钠。

In the test , the high purity white sodium sulphide crystal with concentration of 45 % Na_ ( 2 ) S taken as raw material , anhydrous sodium sulfide is obtained by drying it in vacuum .

考察了温度和硫化钠用量对菱锌矿浮选回收率的影响，研究了Na2S在菱锌矿表面上吸附量与温度和搅拌时间的关系，推导了菱锌矿加温硫化浮选过程动力学方程式，分析了其过程和原理。

The relationship between the absorbing capacity of Na2S in smithsonite surface with stirring time and temperature is discussed . Dynamical equation of smithsonite heating surface sulfurized flotation is deduced , and the dynamical process and principle is analyzed .

以十八烷氧基二硫代磷酸吡啶盐（PyDDP）为表面修饰剂，钼酸钠、硫化钠、稀硫酸、盐酸羟胺为原料，合成了PyDDP修饰的MoS2纳米微粒。

Using pyridine dialkyldithiophasphate ( PyDDP ) as the surface modifying reagent , nano-molybdenum disulfide ( MoS2 ) particles are synthesized with sodium molybdenum acid , sodium sulfide , sulfuric acid and hydroxylamine as raw materials .

在所研究的4种多硫化钠溴电池负极催化剂中，NiCo/C的催化性能最好，1073K焙烧的NiCo/C催化剂性能比823K焙烧的NiCo/C催化剂性能好。

NiCo / C catalyst has the highest performance for the negative electrode of sodium polysulfide / bromine energy storage cell in the four catalysts investigated . NiCo / C catalyst calcined at 1 073 K outperforms that calcined at 823 K.

推进含硫化钠特种单体系列的开发与产业化。

Sulfide-containing monomer to promote special series of development and industrialization .

高效率多硫化钠/溴储能电池的研究

Study on high efficiency sodium polysulfide / bromine energy storage cell