柠檬酸钠
- 名Sodium citrate;citrate sodium
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首先用共沉淀法制备了无定形纳米粒子沉淀,然后使新鲜沉淀在SDS,SDBS,柠檬酸钠,硬脂酸钠等溶液中生长,水热条件下处理一定时间,即可得到LDH纳米复合材料。
Amorphous precipitates were first synthesized by a non-steady coprecipitation method , and then the fresh precipitates were separately added into the aqueous solutions of SDS , SDBS , citrate sodium , and stearate sodium . We can eventually obtain LDH nanocomposites after some certain hydrothermal treatment time .
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结果表明,在发酵过程中,添加一定量的柠檬酸钠可减少乳酸对嗜酸乳杆菌的胁迫作用,从而提高了活菌密度。
The results showed that citrate sodium added to ferment liquid could decrease the stressing effect and enhance density of Lactobacillus acidophilus during fermentation .
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研究了柠檬酸钠在花状银的形成过程中起到的作用以及pH值对产物的形貌的影响。
The effects of sodium citrate and pH value on the flower-like silver micro-nano materials were studied .
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紫菜汁中添加Vc和柠檬酸钠能起到保护紫菜汁颜色的作用。
Vc and sodium citrate could protect the colour of laver extract well .
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试验鼠同时服用铝和柠檬酸钠或谷氨酸钠将减弱血浆的抗氧化能力,血浆中MDA的量明显增加,SOD酶活力则显著降低(P<0.01)。
Absorption of aluminum increased malondialdehyde and decreased the activity of plasma superoxide dismutase very significantly .
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柠檬酸钠、EDTA和邻苯二酚可拮抗Al3+的抑制作用。
The inhibition is reversed by citrate , EDTA , and catechol .
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采用柠檬酸钠消除Al3+、Fe3+和稀土金属离子的干扰,控制溶液的pH值为5~6。本方法简便快速。
Interferences of Al3 + , Fe3 + and rare metal ions are eliminated by the addition of sodium citrate solution at a pH of 5-6 .
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采用山羊不同免疫组织作为原料,以氯化钠-柠檬酸钠法与苯酚-稀盐法进行RNA提取的比较;
Different goat immune tissues were used as raw materials , RNA was extracted by sodium chloride-citric sodium and phenol-the thin salt methods .
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柠檬酸钠辅助光化学合成Cu2-xSe纳米晶
Preparation and Characterization of Cu_2 - _xSe Nanocrystals by Trisodium Citrate-assisted Photochemical Route
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增大柠檬酸钠用量,制得的Au粒子直径变小,单分散性提高。
The results show that the increase of TSC results in the decrease of the particle diameter of Au nanoparticles and the improvement of monodispersity of Au nanoparticles .
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利用CTS为稳定剂和柠檬酸钠为还原剂,在微波辐射条件下绿色合成纳米银/壳聚糖(Ag/CTS)复合溶胶。
Nano-Ag / CTS complex sols were synthesized by microwave heating using sodium citrate as reductant and CTS as protectant .
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采用柠檬酸钠还原氯金酸法制取的Au纳米粒子作为能量受体,通过Au&S键将单链DNA连接到表面。
Au nanoparticles which were prepared by sodium citrate reduction of chloroauric acids were taken as the energy acceptors . Au nanoparticles were linked to 3 ′ - SH ~ DNA by Au ~ S bond .
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结果表明,添加的柠檬酸钠能够抑制存在于EMP途径和TCA循环之间的碳源溢流。
It was revealed that carbon overflow between EMP pathways and TCA cycle could be restrained with the medium supplemented with sodium citrate .
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当柠檬酸钠浓度上升时,HAp晶体顶部逐渐收缩,形貌由六角形棒状转变为尖锥体状,而晶体的直径也随之逐步减小。
When the concentration of trisodium citrate increased , the rod-like crystals turned into the cone-shaped ones and the diameter of the HAp crystals also decreased .
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研究了镀液中硫酸镍、次磷酸钠、柠檬酸钠、硫酸铜、稳定剂、光亮剂的含量以及pH值和温度等因素对合金镀层的外观、沉积速度及铜含量的影响。
The effects of concentration of nickel sulfate , sodium hypophosphite , sodium citrate , cupric sulfate , stabilizer and brightener , pH value and temperature on appearance , deposition rate and copper content in the obtained electroless deposits were studied .
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用柠檬酸钠消除试样中Al3+、Fe3+的干扰,控制溶液pH于5~5.5,不经化学分离,可直接测定。
Interferences of Al3 + and Fe3 + in sample solution can be eliminated by adding citrate as masking agent . By controlling pH of the solution within 5 - 5.5 , determination can be made directly without any separation procedure .
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针对这些不足,本文采用柠檬酸钠液化微胶囊的固芯,制得海藻酸钠/壳聚糖/海藻酸钠(ACA)液芯微胶囊。
For these deficiencies , in this paper , sodium citrate liquid solid core microcapsules , and alginate / chitosan / alginatesolid liquid core microcapsules be prepared .
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结果表明:制备过程中柠檬酸钠的加入量是影响胶体银颗粒粒径、形貌和SERS活性的主要因素。
It shows that the amount of sodium citrate is the main influencing factor to the size , shape and SERS activity of the colloidal silver . 2 .
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研究了在以柠檬酸钠为稳定剂的电镀溶液中加入稀土镧添加剂电镀Ni-Fe合金镀层。
The paper studies plating Ni-Fe alloy coating with addition of rare earth lanthanum additive in plating solution of citrate employed as a stable agent .
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结果还表明,采用柠檬酸钠为络合剂,在搅拌条件下制备出的ZnS薄膜适用于CIGS太阳电池的过渡层。
It also can be concluded that ZnS thin films are suitable for intermediate layer of GIGS solar cell using sodium citrate as the complexing agent with agitation .
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模型组及灵芝组大鼠经尾静脉一次性按25mg/kg注射2%链尿佐菌素(STZ),正常对照组尾静脉注射等量柠檬酸钠-柠檬酸缓冲液。
The model and ganoderma group rats were injected 2 % STZ once through vena caudalis , and the normal group rats were injected tales doses sodium citrate-citrate buffer solution .
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采用柠檬酸钠还原-胶体负载法,制备了高分散的炭载Au纳米催化剂,并以液相催化氧化葡萄糖为葡萄糖酸钠的反应评价了Au/C催化剂的活性。
The catalyst of highly dispersed gold nanoparticle supported on active carbon was prepared by sodium citrate reduction-colloid gold immobilization method , and its catalytic activity was evaluated by the liquid phase catalytic oxidation reaction of glucose to gluconic acid .
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采用鞣酸&柠檬酸钠还原法制备了不同颗粒大小(如φ6nm、φ10nm、φ15nm)、不同种类的胶体金标记抗小鼠IgG、抗人IgG及SPA等探针。
Various particle size and varieties of colloidal gold probes , such as anti-mice IgG , anti-haman IgG and SPA , were prepared by tannic acid-sodium citrate reduction method .
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用连二亚硫酸钠-柠檬酸钠-碳酸氢钠(DCB)法研究了去除土壤中的氧化铁后Al的吸附-解吸特征的变化情况。
The adsorption and desorption of aluminum in two acidic soils was investigated . Under using technique of dithionite-citrate-bicarbonate ( DCB ), the change situation of Al adsorption-desorption characteristics after removal of Fe oxide in soil was studied .
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细胞培养72小时后,实验各组均以25mM柠檬酸钠溶液37℃溶解海藻酸钠微包囊,离心收集OB进行检测。
Cells cultured after 72 hours , all experimental groups alginate microencapsulation were dissolved by sodium citrate at 37 ℃, osteoblasts were detected after collected by centrifugation . 5 .
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目的比较甘油和甘油卵黄柠檬酸钠(GYC)两种冷冻保护剂对精子形态影响。
Objective : To study the effect of different cryoprotective mediums ( CPMs ) on normal morphology rate of human spermatozoa .
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提出了两种生产柠檬酸钠新工艺:①用Na2SO4代替部分H2SO4,②采用自行研制的活化剂αG-2。
Two improvements were made on technology of sodium citrate production ① Na_2SO_4 was used to substitute part of H_2SO_4 , ②α G-2 , a new type of activator developed by the authors , was adopted .
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试验过程中对Sn-Bi共沉积的电化学行为研究表明,柠檬酸钠作为络合剂能够增大阴极极化,使离子的析出电位变负。
The experiment results on the electrochemical behavior of the Sn-Bi alloy codeposition show that the sodium citrate increases the cathode polarization and enables the deposition potentials of the ions to become negative .
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结果表明,Cf/Si-HAC的抗折强度随碳纤维体积含量、硅烷偶联剂KH-550质量含量和柠檬酸钠质量含量的增加均呈现先增大后减小的趋势。
The results show that the flexural strenth display a trend of increasing to a maximum and then decreasing with the carbon fibers volume fraction , silane coupling agent KH-550 mass fraction and sodium citrate content .
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复合多羟基化合物与柠檬酸钠配合使用可延长MO4000体系的成胶时间,提高凝胶的热稳定性。
To reunite polyhydroxy compound and sodium citrate can prolong the gelation time of MO4000 system and raise thermal stability of gel .