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na2co3

  • 【医】【=sodium carbonate】碳酸钠
na2co3na2co3
  1. One of the common stress factors of NaCl and Na2CO3 is Na + toxicity .

    NaCl、Na2CO3所共有的胁迫因素之一是Na~+毒害。

  2. The perfect hatching result could be obtained by using the hatching solution contained Na2CO3 .

    含Na2CO3的孵化液可得到较理想的孵化效果。

  3. The stability decreased when electrolyte concentration was high , and Na2CO3 was stronger than NaCl .

    当连续相中电解质浓度增加时,乳液稳定性下降,且Na2CO3比NaCl的作用强。

  4. It was shown that Na2CO3 inhibited the pitting corrosion of aluminum alloy to some extent .

    实验结果表明,碳酸钠对铝合金具有较好的缓蚀作用,在一定程度上抑制了铝合金的点蚀。

  5. Mg / Al molar ratio , NaOH / Na2CO3 molar ratio and aging temperature has been investigated .

    考察了滴定方式、Mg/Al摩尔比、NaOH/Na2CO3摩尔比、老化温度等制备条件对催化剂性能的影响。

  6. Introduce Na2CO3 as the activating agent and sulphuric acid as the lixiviant .

    选用Na2CO3为活化剂,确定了合理的活化条件。

  7. Effects of NaCl and Na2CO3 Stresses on Lipid Peroxidation in Glycyrrhiza uralensis Fisch

    NaCl和Na2CO3胁迫对甘草幼苗膜质过氧化作用的影响

  8. Test research shows that quality requirement for the raw material of rosin foaming agent may be relaxed and alkali suitable for use is Na2CO3 ;

    试验研究表明:松香胶泡沫剂的原材料质量要求可以放宽,碱以采用Na2CO3为好;

  9. Crystallization temperature rised with increasing CaO / SiO2 , Na2CO3 content , CaF2 content MgO content and decreasing Al2O3 content .

    在本实验渣系条件下,连铸保护渣的结晶温度随着渣中CaO/SiO2、Na2CO3含量、CaF2含量和MgO含量的增加而升高,随着渣中Al2O3含量的增加而降低。

  10. Na2CO3 、 K2CO3 and the two blends were added into wheat flour in different properties to understand the influence of the dough quality properties .

    Na2CO3、K2CO3及其二者的混合物分别以不同的添加量添加到面粉中,通过Brabendar粉质仪、拉伸仪的测定,了解它们对面团品质特性的影响。

  11. The catalysis followed a hydroxyl radical pathway that it was deduced from the effect of Na2CO3 on the reaction of catalytic activity .

    通过Na2CO3对催化反应的影响验证了Mn2+催化臭氧化反应遵循自由基反应原理;

  12. Coprecipitation is a popular method to synthesize LDHs , which usually uses NaOH or Na2CO3 as precipitant .

    共沉淀法是合成LDHs的常用方法,一般均采用氢氧化钠和碳酸钠作为沉淀剂。

  13. The amount of acceptor additive Na2CO3 、 Li2CO3 and the reducing sintering temperature and the reducing sintering retention time were optimized .

    同时优化了受主掺杂剂Na2CO3、Li2CO3掺杂量和还原烧结温度及保温时间。

  14. The reacted product Nepheline baked high-alumina fly ash with Na2CO3 , was acid soaked with HCl .

    高铝粉煤灰与Na2CO3的烧结反应产物霞石,与HCl反应进行硅铝分离与提纯。

  15. Recently , in the new vanadium recovery process from molten iron treated with Na2CO3 , it is a significant subject to recover soda from soda slag .

    近来,在用苏打处理含钒铁水的新提钒工艺中,从钠化钒渣回收苏打是一项重要研究课题。

  16. Nanometer zinc oxide powder has been prepared by direct precipitation method using zinc electrolyte as raw material from a factory in Xiangxi and Na2CO3 as precipitator .

    以湘西某电解锌厂的锌电解液为原料,用碳酸钠为沉淀剂,采用直接沉淀法制备纳米氧化锌粉体。

  17. Using Na2CO3 as the pH regulator can improve the floatability of apatite , and increase the floatability difference between apatite and quartz .

    采用Na2CO3作为pH调整剂可提高磷灰石的可浮性,增大磷灰石和石英的可浮性差异。

  18. The effect of grain boundaries was enhanced effectively by using Na2CO3 or Li2CO3 doping with Mn ( NO3 ) 2 as acceptors .

    采用Na2CO3或Li2CO3与Mn(NO3)2的组合作受主掺杂可有效增强BaSnO3陶瓷的晶界效应。

  19. By Contrast with the mixed fusion agent of anhydrous Na2CO3 + KNO3 , the decomposition temperature is reduced to 700 ℃, the solving time is shorter .

    与用无水Na2CO3+KNO3做混合熔剂相比,降低了分解温度至700℃,缩短了分解时间。

  20. The ash content of black liquor gasification contained basic compounds like Na2CO3 , Na2S . The basic compounds mixed with circulation absorbing liquid from alkali adsorption tower .

    黑液气化灰分含有碳酸钠、硫化钠等碱性物质,它们进入溶解室后,与来自碱吸收塔的循环吸收液混合,得到含有碳酸钠、硫化钠和氢氧化钠的碱性水溶液。

  21. The results Chapter III showed that : Na2CO3 reacted slowly and partly with the acid components in crude oil , while NaOH did it very fast and completely .

    结果表明,碳酸钠与原油中的酸性组分反应较慢并且只能部分反应,而氢氧化钠则快速和完全地与其反应。

  22. This instrument has functions of conductance measured , automatically temperature compensated , data processing , displaying and printing , it can measure the Na2CO3 content more quickly and accurately .

    该测定仪具有电导率测量、自动温度补偿、数据处理、显示打印等功能,可快速准确地进行含碱量测定。

  23. While the addition of the n-butanol and Na2CO3 to the solution reduced the amount of · OH in solution , thus inhibiting nitenpyram pesticide degradation .

    而正丁醇、Na2C03的添加则在一定程度上减少了溶液中·OH的数量,从而抑制烯啶虫胺农药的降解。

  24. The cosolvents are Na2CO3 、 NaCl and NaOH .

    其中助溶剂包括:碳酸钠、氯化钠和氢氧化钠。

  25. It is shown that the adsorption efficiency of the nonwoven cloth impregnated with Na2CO3 and KOH for CO2 is increased and the saturation time is extended .

    研究结果表明,Na2CO3和KOH溶液浸渍可以提高活性炭无纺布对CO2的吸附效率,延长吸附饱和时间;

  26. The effect of variables , such as the concentration of surfactant , carrier , Na2CO3 , and initial citric acid concentration on citric acid transport and emulsion swelling was investigated .

    考察了表面活性剂、载体、反草剂Na2CO3、柠檬酸浓度对柠檬酸传质和乳液溶胀的影响。

  27. A small amount of NaOH , Na2CO3 , KOH and K2CO3 was added to Ca-based absorbents respectively by a special method and modified absorbents were obtained .

    微量的NaOH、Na2CO3、KOH和K2CO3以特殊方式添加到石灰类物质中以后形成改性石灰类吸收剂。

  28. The CEC of calcium base bentonite can be increased by 26.7 % with Na2CO3 , the viscosity of organobentonite is 0.84Pa · s.

    Na2CO3作为改型剂使钙基土的CEC(阳离子交换容量)提高了26.7%,钠化改型后所制得的有机土的粘度达到0.840Pa·s。

  29. The mechanical properties and durability of chemically activated high - content slag cement are studied . The adopted chemical activator is Na2CO3 and the amount of incorporated slag is up to 70 % .

    本文介绍了化学激发高掺量矿渣水泥的力学及耐久性能,采用的激发剂为Na2CO3,矿渣掺量达70%。

  30. The standard solution of Na2CO3 was determined by the method . The relative standard deviation is 0 . 18 % , and the relative error between the determined value and the theoretical value is 0 . 48 % .

    用该方法对碳酸钠标准溶液进行测定,测定结果的相对标准偏差为0.18%,测定值与理论值的平均相对误差为0.48%,表明该方法具有较高的精密度与准确度。