废旧电路板中的树脂与碳酸钙共同加热,获得气体、固体和热解油3种热解产物。
The pyrolytic tar, gas and solid were obtained by pyrolysising of waste printed circuit boards mixed with CaCO3.
用于碳酸钙改性剂,作用点多,与碳酸钙形成化学作用,改性效果显著且优于传统硬脂酸类改性剂。
The calcium carbonate modifier has more action points and can chemically react with calcium carbonate, thereby having better effect than the traditional stearic acid modifier.
利用改进后的毛细管流变仪研究了温度、发泡剂与碳酸钙含量对聚丙烯发泡体系挤出胀大和泡孔直径的影响。
The influences of temperature, content of foaming agent and CaCO3 on the extrudate swell, and average cell diameter of polypropylene foam are investigated using improved capillary rheometer.
他们希望了解二氧化碳水溶液与玄武岩产生化学反应形成碳酸钙的速度有多快。
They hope to learn how quickly the carbon dioxide and water mixture reacts with the basalt rock to form calcium carbonate.
在内部石灰与二氧化碳结合生成碳酸钙固体。
Inside, lime bonds with the carbon dioxide to form solid calcium carbonate.
当地下含钙丰富的温泉热水与湖水中的碳酸盐相逢时,就会生成碳酸钙,又称石灰岩。
When water from heated underwater hot springs rich in calcium meet with the carbonates in lake water, the result is calcium carbonate, also known as limestone.
碳酸钙与经前紧张综合征:对经前和经期症状的作用。
Calcium carbonate and the premenstrual syndrome: Effects on premenstrual and menstrual symptoms.
通过DTA和TG结合X 射线衍射分析的方法,将硫化铜精矿加碳酸钙焙烧与硫化铜精矿焙烧的反应机理进行了对比研究。
The roasting process of copper sulfide concentrate in the presence of calcium carbonate is studied by using the differential thermal analysis (DTA), thermogravimetric (TG) and X-ray diffraction.
其结果对微细碳酸钙生产工艺的设计与改进具有指导意义。
The results have guiding significance for the process design and improvement of fine calcium carbonate .
给出的成分与那些现代时期部分碳酸钙玻璃是一样的。
The given analyses do not differ from those of some soda-lime glasses of modern times.
结果表明,油井无机结垢类型主要是碳酸钙垢,结垢最严重区域为油井井底及近井带,与实际情况基本吻合。
The results show inorganic scale is calcium carbonate and scale in down hole and well bore area is the most severe. It agrees with practical situation basically.
本发明与现有技术相比,本发明由于加设有一层无毒聚乙烯碳酸钙降解料层,因此使本发明产品具有环保、可降解的功效的作用。
Compared with the prior art, the layer of nontoxic polyethylene calcium carbonate degrading material is arranged, and, therefore, the product is degradable and protects the environment.
实验方法与结果首先对纳米碳酸钙和晶须碳酸钙及聚l -乳酸(PLLA)进行光镜、扫描电镜、透射电镜的检测。
Methods and ResultsAt first, we tested calcium carbonate whisker, nanometer calcium carbonate and PLLA by light microscope, scanning electron microscope and transmission electron microscope.
未反应的氧化钙或碳酸钙为氟化钙与硫酸之间的吸热反应产生足够的热量,从而不需要外部的热量。
Unreacted calcium oxide or calcium carbonate generates sufficient heat to the endothermic reaction between calcium fluoride and sulfuric acid so that no external heat is needed.
在气流粉碎机中对重质碳酸钙进行干法超细与改性一体化工艺研究。
Studying of the ultrafine and modification technology of heavy calcite by dry way achieves good result.
与钛酸酯偶联剂相比,硬脂酸改性碳酸钙的用量高于前者。
Compared with titanate coupling agent, the amount of stearic acid used for modifying calcium carbonate was higher than the former.
差热扫描量热分析表明偶氮引发剂与纳米碳酸钙螯合后分解温度略有降低;
The results of differential scanning calorimetry (DSC) showed that the decomposition temperature of ACPA decreased when it was chelated onto the particles.
当碳酸钙与硫酸铵(或氯化铵)一起加热时,生成的升华物(与碳酸氢铵混合)。
Formed as a sublimate (mixed with ammonium hydrogen carbonate) when calcium carbonate and ammonium sulfate (or chloride) are heated together.
分析了立方状和棒状纳米碳酸钙的形成机理,发现这可能与PMAA-DDT的分子结构与形状有关。
The nucleation-growth mechanism for cubic and rod-shaped CaCO3 nanoparticles is discussed. This may be associated with the structure and shape of PMAA-DDT.
柠檬酸钙生产时,这些离子与水反应,碳酸钙释放出这些离子时,与胃酸(盐酸)反应。
Calcium citrate produces these ions when it reacts with water, and calcium carbonate gives off these ions when they react with stomach acid (hydrochloric acid).
对分析纯碳酸钙和三种白云石与CO2的循环反应特性进行实验研究。
The cyclic reaction characters of CaCO3 and three dolomites with CO2 was experimentally investigated.
荧光假单胞菌和碳酸钙在固体表面上附着过程与沉积的顺序以及混合垢的结构则采用显微摄像技术进行实时观测与记录。
On the other hand, the sequence of adhesion and deposit of the bacteria and CaCO3 on glass surface was measured and recorded with micro video technology.
本发明为白色粉状固体,不会使碳酸钙白度降低,使用方便,适合作各种塑料与橡胶中的偶联剂。
Said invention is a white powdered solid, easy to use and doesn't reduce whiteness of calcium carbonate.
其机理是纳米碳酸钙与硅橡胶的相互作用,从而提高了纳米碳酸钙填充室温硫化硅橡胶的耐热性能。
Adding nano-calcium carbonate may result in Si-OH hydroxyl of silicone rubber interacting with the nano-calcium carbonate, which can improve the thermal stability of filled rubbers.
结果表明,水溶液中胆红素钙很难结晶形成晶体结构,但在模拟体系中,碳酸钙晶体与聚乙二醇模板的共同作用可诱导胆红素钙晶体的成核与生长。
The results indicate that the calcium carbonate crystal, formed from CO2 in the air, and polyethylene glycol(PEG) accelerated the nucleation and growth of calcium bilirubimate.
结果显示,多羧基的阴离子能够诱导形成非晶碳酸钙,并且这些非晶碳酸钙具有与生物成因非晶碳酸钙类似的组成。
The results showed that the multi-carbonate anions could induce the formation of ACC which had a similar composition to biogenic hydrous ACC.
结果显示,多羧基的阴离子能够诱导形成非晶碳酸钙,并且这些非晶碳酸钙具有与生物成因非晶碳酸钙类似的组成。
The results showed that the multi-carbonate anions could induce the formation of ACC which had a similar composition to biogenic hydrous ACC.
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