1) CaCO3 layer
CaCO3层
2) Assumulation layer of calcium carbonate
CaCO3累积层
3) CaCO_3
CaCO3
1.
The effects of mixed rare earth oxides and CaCO_3 on microstructure in in-situ Mg_2Si/A1-Si composite were investigated by optical microscope.
在铸造Mg2Si/A1-Si复合材料过程中,加入混合稀土氧化物与CaCO3作为变质剂,并采用光学显微镜研究了复合变质对组织的影响。
2.
Effects of nitrogenous and phosphoric fertilizers,coal fly ash(CFA) and CaCO_3 on germination of wheat,physiological characteristic of seedling and As content of seed were studied through house pot-cultured experiment on As polluted soil.
采用盆栽的方法,研究了在As污染土壤中施加氮肥、磷肥、粉煤灰和CaCO3对小麦籽粒萌发、幼苗生理及成熟期籽粒w(As)的影响,并探讨了4种改良剂对在As污染土壤上种植小麦的有效改良方法。
4) CaCO 3
CaCO3
1.
Polyoxymethylene (POM)/elastomer/filler ternary composites were prepared, in which thermoplastic polyurethane(TPU) and inorganic filler, namely, CaCO 3, were used to achieve balanced mechanical properties of POM.
用弹性体和CaCO3 复合改性POM。
2.
The surface modification of CaCO 3 was done with these surfactants and modified calcium carbonate's surface properties were researched.
本文合成了系列表面改性剂ADDP ,并将其用于改性纳米CaCO3。
5) Calcium carbonate
CaCO3
1.
The effects of calcium carbonate and starch on the degradation of polyethylene film were studied.
目的:研究淀粉和CaCO3对塑料薄膜的降解影响。
2.
Aragonite calcium carbonate whisker was prepared by thermal decomposition of Ca(HCO_3)_2 in aqueous solution in the presence of chloride salts.
CaCO3晶型结构有方解石型(立方体或纺锤体)、文石型(针状)、球霰型(球形) ,其中文石型和球霰型碳酸钙以往几乎没有人工制品,文石型碳酸钙是近年来出现的一种新型针状晶须材料。
3.
Freshwater pearls (aragonite pearls) were selected as the main experimental materials to study the biomineralization of calcium carbonate.
利用上述两种不同浓度的可溶性有机基质溶液采用扩散法开展了碳酸钙的体外模拟矿化实验,探讨两种可溶性有机质的浓度在控制CaCO3结晶方面的作用。
6) calcium carbonate scale
CaCO3垢
补充资料：CA
是以精制短棉绒经醋酸活化，在硫酸催化剂存在下，用醋酸和酯酐混合液使之乙酰化，然后加稀醋酸水解到所需的酯化度的产物。按照酯化度不同，可分为一醋酸纤维素、二酯酸纤维素、三醋酸纤维素。酯化度不同而有不同的性质和用途。酯化度大小对溶解性能有很大影响，酯化度降低则在极性溶剂中的溶解度增加，但在非极性溶剂中溶解度减小。醋酸含量60％-61．5％的三醋酸纤维素，因含羟基少，对水不敏感，可溶于二氯甲烷等。醋酸含量51％-58％的二醋酸纤维素为一般工业上用的醋酸纤维素，可溶于丙酮。三醋酸纤维素和
二醋酸纤维素为白色无定形屑状或粉状固体，无明显熔点，220 ℃开始软化。相对密度1．27-1．32，吸水性(24h)1％-4％。
醋酸纤维素可用于配制溶剂型胶粘剂，粘接眼镜、玩具等塑料制品。贮存于阴凉、通风、干燥的库房内。防雨、防晒。
二醋酸纤维素为白色无定形屑状或粉状固体，无明显熔点，220 ℃开始软化。相对密度1．27-1．32，吸水性(24h)1％-4％。
醋酸纤维素可用于配制溶剂型胶粘剂，粘接眼镜、玩具等塑料制品。贮存于阴凉、通风、干燥的库房内。防雨、防晒。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条