[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-bc03Bx9ADotHPwKCI1fqHW2P1auE9-JB8NjZHfbLHc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":74},[],"2023-06-06 21:28:48",50023383,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},11,"80c6955118218f9a2c81249844d90f12","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F28b4f85104160b4a75b7a3bfe251d5dd.jpg","专业英语2023","work_28112810","Chapter04课后作业01","Diamond films and diamond-like carbon coatings can be deposited by HPHT",[19,31,41,49,58,64,69,75,80,85],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2023-06-06 21:26:42",50018089,[24,25,26,27],"0.2","0.02","20","200","How many milligrams is one carat diamond","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":40},[],50023375,[35,36,37,38],"brittle","cleavage plane","graphitization","chemical attack by some substances","Although diamond has excellent performance, its application as perfect abrasive is limited due to the following shortcomings",1,{"answer":42,"createTime":5,"id":43,"options":44,"question":48,"source":29,"type":40},[],50023376,[45,46,47],"hydraulic press process","explosive process","Chemical vapor deposition","Which the following methods can fashion diamond",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":29,"type":40},[],50023377,[53,54,55,56],"The particle size of PCD synthesized by explosion method can reach 60μm","The PCD could be produced as blanks that could be cut into specific shapes","PCD can be used for cutting tools and drill bits by inlaying on cemented carbide","PCD can be used to cut ceramics or even advanced ceramics","Which of the following statements about polycrystalline diamond (PCD) are correct according to the text",{"answer":59,"createTime":5,"id":60,"options":61,"question":62,"source":29,"type":63},[],50023378,[],"According to the context of chapter 4, diamond can be used in lots of applications, such as grinding, drilling, ( ), ( ), abrasive ( ) and ( )",2,{"answer":65,"createTime":5,"id":66,"options":67,"question":68,"source":29,"type":63},[],50023379,[],"According to the context of chapter 4, stones can also be processed into various tools, e.g. ( ) ( ) ( ) multistone abrasive wheel truers, single-point truing tools, single-point plunge cutting tools, heavey-duty truing tools and large plunge cutting tools, and ( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":73,"source":29,"type":74},[],50023380,[8,9],"Diamond films and Diamond-like carbon films have expanded applications of ceramic materials",3,{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":29,"type":74},[],50023381,[8,9],"Under atmospheric pressure, diamond can graphitize at about 300 degrees",{"answer":81,"createTime":5,"id":82,"options":83,"question":84,"source":29,"type":74},[],50023382,[8,9],"The industrial diamonds and PCD are used wildly to manufacutre and resharpen ceramic machining tools, and will play a very important role in ceramic industry",{"answer":86,"createTime":5,"id":6,"options":87,"question":17,"source":29,"type":74},[],[8,9]]