化学纯
- 名chemically pure;chemical pure
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用此法测得基准钠蒙脱土和用化学纯高岭土精制的钠高岭土的CEC值分别为84.8和5.2mmol/100g土,而亚甲基蓝法测定值则分别为82.5和2.7mmol/100g土。
The CEC values determined by the suggested method for standard Na montmorillonite ( Na M ) and refined Na kaolinite ( N K , from chemically pure kaolinite ) account 84.8 and 5.2 mmol / 100 g and by MB method-82.5 and 2.7 mmol / 100 g , respectively .
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用海水制取的亚硫酸钾用于稻草蒸煮,其结果与化学纯亚硫酸钾的蒸煮结果相似。
The results show seawater extracting potassium sulfite cooking rice straw and chemically pure potassium sulfite cooking rice straw have similar results .
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采用自蔓延高温还原合成法,以化学纯B2O3,TiO2和金属镁粉为原料,制备了TiB2陶瓷粉料。
TiB_2 power is fabricated by self-propagating high-temperature synthesis with B_2O_3 , TiO_2 and Mg power as raw materials .
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酸法果胶的最佳条件,是在加3倍水,pH值2.0,90℃下,用化学纯酒石120min。
The optimum conditions for acid - extracting - pectin method appeared to be to regulate pH to 2 . 0 using tartaric acid and extract at 90 C for 120 min.
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化学纯或商品纯的甲酚(混合异构体除外)及其盐类
Cresol ( incl mixed isomers ), chemically or commercially pure and its salts
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借助紫外-可见吸收光谱和共振散射光谱技术,研究了几种阴离子的加入对“化学纯”银胶的光谱学性质的影响。
The influence of different anions on " chemical pure " Ag sols have been investigated with UV-vis absorption and resonance scattering spectra .
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化学纯VOSO4对硫酸亚铁还原/重铬酸钾滴定测铀法的适用性研究
The applicability for determination of uranium content by use of the chemical pure voso_4 in the ferrous sulfate reduction / potassium dichromate titrimetric method
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使用工业上新型的除钙剂,由工业级原锶液,可直接制得化学纯碳酸锶。
The chemically pure stronium carbonate could be prepared directly from the industrial grade stronium solution by using a new type of calcium removing reagent .
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研究了一些脂肪酸作为相变材料的热稳定性。选用的脂肪酸为化学纯的癸酸、月桂酸、肉豆蔻酸和棕榈酸,其融化温度在30~60℃之间。
Thermal stability of some phase change materials ( PCMs ) of fatty acids including capric , lauric , myristic and palmitic acid with melting temperature between 30 ~ 65 ℃ were studied .
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我们采用芦荟叶,通过一系列复杂的提取步序得到一种化学纯粉末,然后将流感病毒疫苗与之混合。
" We take Aloe vera leaves and put them through a series of complex extraction steps to produce a chemically pure powder , and then we combine the flu vaccine with it ," he explains .
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针对锑白生产过程中产品含铅高这一问题,用化学纯试剂研究了PbCl2在不同盐酸浓度、Sb3+浓度和温度条件下的溶解度。
In view of the problem of high Pb content in antimony white product , the PbCl 2 solubility under the different conditions of HCl concentration , Sb 3 + concentration and temperature were studied using some chemical pure reagents .
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只要将样品在化学纯的氢氟酸中漂洗7分钟,即可使界面态减少到不可察觉的程度,然后再进行C&V测量,可保证测定结果的正确性。
After dipping the sample in chemical pure fluor-hydric acid for 7 minutes , the density of the interface states can be considerably reduced , then the C-V measurement can be carried out to ensure the precision of the measured results .
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以工业氯磺酸代替化学纯试剂并放大5倍的实验结果为:产率,98.3%;产品熔点,255~256℃。
The results of experiments which were scaled up by 5 times and with the replacement of chemically pure chlorosulfonic acid with industrial chlorosulfonic acid showed that the yield was 98.3 % and the melting point of products ranged from 255 to 256 ℃?
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研究了以肼为还原剂、氨为配合剂的六方BN微颗粒表面化学镀纯镍反应新体系。
A new chemical plating system for hexagonal boron nitride particles with hydrazine as the reductive agent was studied .
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完全风化带内赋存着化学成分纯、Fe和Ti含量少的高岭石,其矿石结晶度较好,以蠕虫状、折扇状高岭石为主;
Pure kaolinites with almost no Fe and Ti components occur in the completely weathering zone . The ores consist mainly of worm shaped and folded fan shaped kaolinites with higher degree of crystallinity .
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用于微电子封装的化学镀纯镍工艺
Electroless Pure Ni Plating for Microelectro ni c Packaging
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化学合成纯铝酸钙水泥用于耐火浇注料中,浇注料表现出较高的烘干强度,且浇注料的烧后强度等性能指标也与用传统烧结水泥的大体相当。
The typical castables prepared with chemical synthesized calcium aluminate cement performed a higher strength after dry , other properties like strength after firing were rather comparative with that containing conventional sintered calcium aluminate cement .
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结果:肉眼观察经化学抛光的纯钛铸件表面呈镜面状。
Results : The castings in Group C were polished chemically to mirror surface .
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这些化妆品不含化学成份,纯天然的,而且没有用动物作测试。
NO03, 4.These cosmetics are chemical free , all natural , and have not been tested on animals .
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(化学定律)纯物质中元素以一定比例的重量结合成该物质。
( chemistry ) law stating that every pure substance always contains the same elements combined in the same proportions by weight .
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好,这就是A的化学势,在纯态,温度为T,压强为p总时。
Well , that 's just the chemical potential of A , in the pure state , at temperature T and pressure pT .
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化学镀Ni-P在纯锡凸点的应用及界面研究
Study on Electroless Ni-P Application in Tin Bump and Their Interfacial Reaction
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从锌焙砂湿化学法制备高纯、球状纳米ZnO粉体材料的研究
Studies on the Preparation of High Purity , Spherical and Nanometer Zinc Oxide Powder Materials From Zinc Sand Calcined by Hydro-Chemical method
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室温下采用电化学阳极氧化法在NaF、Na2SO4和H2SO4的混合溶液中用化学处理后的纯Ti片表面组装了一层结构高度有序的高密度TiO2纳米管阵列。
High density , well ordered and uniform titanium oxide nanotube arrays were fabricated by anodizing process on a pure titanium sheet . Electrochemical anodization was carried out in NaF + Na_2SO_4 + H_2SO_4 electrolyte at room temperature .
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因为DESI利用的是化学数据而非纯视觉数据,它能发现其他人接触后但没有留下指纹的东西。
Because it is based on chemical rather than purely visual data , it can discover what else people touched before leaving their prints .
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研究了矩形波导微波化学反应器在纯甲烷、低气压47Pa~5000Pa条件下,生成微波等离子体。
Methane in a rectangular wave guide as microwave chemistry reactor was excited to produce microwave plasma under low pressure ( 47 ~ 5000Pa ) .
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电子工业纯度级化学试剂GB/T3135-1982工业纯氧化铍粉末技术条件
Electronic grade chemica Technical requirements of commercial purity beryllium oxide powder
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金属物理&化学法制备高纯金属氧化物粉体的研究现状
Progress of Metal Physical-chemical Method in Preparing High Purity Metal-oxide Powders
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化学法制备高纯碲过程中杂质元素脱除的热力学分析
Thermodynamic analysis of impurities removal in purification of tellurium by chemical method
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所以他的化学势,等于纯物质的化学势。
So it 's going to be the chemical potential of the pure material .