na2co3
- 【医】【=sodium carbonate】碳酸钠
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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。
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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。
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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。
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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。
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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。
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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。
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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
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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;
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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。
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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。
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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;
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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;
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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。
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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。
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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。
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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%。
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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。