What a fascinating and moving applause!What makes us more exciting isthat officials from provincial and municipal levels and friends from home andabroad have come to join us in celebrating this special festival.Ladies...What a fascinating and moving applause!What makes us more exciting isthat officials from provincial and municipal levels and friends from home andabroad have come to join us in celebrating this special festival.Ladies andgentlemen,on behalf of WCP,I’d like to extend my sincere thanks to you foryour greetings.展开更多
日前,上海富士施乐两款产品——WorK Centre Pro 420/415数码打印机/复印机和V2K系列复印机被列入科技部等五个国家部委的“2003年国家重点新产品”。五个国家部委联合向富士施乐颁发了《国家重点新产品证书》,将两款产品列入享受地方...日前,上海富士施乐两款产品——WorK Centre Pro 420/415数码打印机/复印机和V2K系列复印机被列入科技部等五个国家部委的“2003年国家重点新产品”。五个国家部委联合向富士施乐颁发了《国家重点新产品证书》,将两款产品列入享受地方相关优惠政策和待遇的重点高科技产品范畴。展开更多
Theinvestigation of physicometallurgicalphenomena forthe CC formingof WCP/ Fe Ccom posites wasperformed. Resultsshow that underthe patentcondition, WCP/ Fe Ccomposite surfacelayerof16 20 m m heavycross sectio...Theinvestigation of physicometallurgicalphenomena forthe CC formingof WCP/ Fe Ccom posites wasperformed. Resultsshow that underthe patentcondition, WCP/ Fe Ccomposite surfacelayerof16 20 m m heavycross sectioncan beacquiredintheoutsideofa hollow cylin der. The surface of CTC particlescould be partially dissolved by Fe containing melt. Thefineshortstick like WCcrystallitesarein situseparated neartothesurfaceof CTC particles.Far from the CTC particles,someseparated, finetungsten carbidecrystallitesand Fe, W,Mo and Cretc. containing web composite carbides, are distributed on the matrix of WCP/ Fe Ccomposite. Fe Calloy matrix of the hollow composite cylinder is alloyed in differenthigh levels.展开更多
WCP International Industrial(Anhui)Co.Ltd is a large transnational corporationmainly producing household electricalappliances,among which the world famousair-conditioner PHILCO is the leadingproduct.The WCP is ratifie...WCP International Industrial(Anhui)Co.Ltd is a large transnational corporationmainly producing household electricalappliances,among which the world famousair-conditioner PHILCO is the leadingproduct.The WCP is ratified to be registeredby the State Administration for Industry andCommerce of the P.R.C.It was jointlyestablished by the Hongkong WinnerInternational(Group) Co.Ltd,the ChyofuCo.Ltd of Japan,the Philco Co.Ltd of展开更多
Due to the limited hydration capacity,solidification/stabilization(S/S)with waste concrete powder(WCP)has a low strength.Carbonation can reduce carbon dioxide(CO_(2))emissions and improve strength of lead-contaminated...Due to the limited hydration capacity,solidification/stabilization(S/S)with waste concrete powder(WCP)has a low strength.Carbonation can reduce carbon dioxide(CO_(2))emissions and improve strength of lead-contaminated soil,but its mechanism and environmental behaviors are unclear.In light of this,a comprehensive study was conducted on the compressive strength,lead immobilization,conductivity characteristics,and carbonation mechanism of carbonated Pb-contaminated soils stabilized with WCP compared to calcining 600℃WCP.Results indicated that with carbonation,the compressive strength of the samples was significantly improved at the early stage(1 d),resulting in increased unconfined compressive strength(UCS)by 2.5-5.2 times due to the filling of pores by calcite.It negatively affected the lead immobilization capacity of highly doped(30%)samples,while this effect reversed after 3 d of carbonating due to the reduced alkaline environment.The lead immobilization capacity decreased after 28 d of carbonating due to the cracking of samples and the influence of a lower pH on the solubility of lead-carbonated hydroxide((PbCO_(3))_(2)Pb(OH)_(2)).The water evaporation(saturation<16.8%)led to dry shrinkage cracking and decreased UCS of the samples.Based on this finding,a conductivity model was developed for carbonated and cured samples,accurately predicting changes in saturation levels(R^(2)=0.98).A relationship between conductivity and UCS or lead immobilization capacity was proposed.This research proposed an innovative method for the reduction of CO_(2)emission as well as laid down a theoretical basis for the recovery of WCP and lead-contaminated soils through carbonation.展开更多
文摘What a fascinating and moving applause!What makes us more exciting isthat officials from provincial and municipal levels and friends from home andabroad have come to join us in celebrating this special festival.Ladies andgentlemen,on behalf of WCP,I’d like to extend my sincere thanks to you foryour greetings.
文摘Theinvestigation of physicometallurgicalphenomena forthe CC formingof WCP/ Fe Ccom posites wasperformed. Resultsshow that underthe patentcondition, WCP/ Fe Ccomposite surfacelayerof16 20 m m heavycross sectioncan beacquiredintheoutsideofa hollow cylin der. The surface of CTC particlescould be partially dissolved by Fe containing melt. Thefineshortstick like WCcrystallitesarein situseparated neartothesurfaceof CTC particles.Far from the CTC particles,someseparated, finetungsten carbidecrystallitesand Fe, W,Mo and Cretc. containing web composite carbides, are distributed on the matrix of WCP/ Fe Ccomposite. Fe Calloy matrix of the hollow composite cylinder is alloyed in differenthigh levels.
文摘WCP International Industrial(Anhui)Co.Ltd is a large transnational corporationmainly producing household electricalappliances,among which the world famousair-conditioner PHILCO is the leadingproduct.The WCP is ratified to be registeredby the State Administration for Industry andCommerce of the P.R.C.It was jointlyestablished by the Hongkong WinnerInternational(Group) Co.Ltd,the ChyofuCo.Ltd of Japan,the Philco Co.Ltd of
基金the National Natural Science Foundation of China(Grant Nos.42177163 and 42071080)the China Postdoctoral Science Foundation(Grant No.2022M723347).
文摘Due to the limited hydration capacity,solidification/stabilization(S/S)with waste concrete powder(WCP)has a low strength.Carbonation can reduce carbon dioxide(CO_(2))emissions and improve strength of lead-contaminated soil,but its mechanism and environmental behaviors are unclear.In light of this,a comprehensive study was conducted on the compressive strength,lead immobilization,conductivity characteristics,and carbonation mechanism of carbonated Pb-contaminated soils stabilized with WCP compared to calcining 600℃WCP.Results indicated that with carbonation,the compressive strength of the samples was significantly improved at the early stage(1 d),resulting in increased unconfined compressive strength(UCS)by 2.5-5.2 times due to the filling of pores by calcite.It negatively affected the lead immobilization capacity of highly doped(30%)samples,while this effect reversed after 3 d of carbonating due to the reduced alkaline environment.The lead immobilization capacity decreased after 28 d of carbonating due to the cracking of samples and the influence of a lower pH on the solubility of lead-carbonated hydroxide((PbCO_(3))_(2)Pb(OH)_(2)).The water evaporation(saturation<16.8%)led to dry shrinkage cracking and decreased UCS of the samples.Based on this finding,a conductivity model was developed for carbonated and cured samples,accurately predicting changes in saturation levels(R^(2)=0.98).A relationship between conductivity and UCS or lead immobilization capacity was proposed.This research proposed an innovative method for the reduction of CO_(2)emission as well as laid down a theoretical basis for the recovery of WCP and lead-contaminated soils through carbonation.