Trial and error revealed that it was best to put in the amide before the epoxide.尝试和误差法表明,最好在环氧化之前引进酰胺基.The EBR vulcanizate of different epoxide number was prepared.选择了EBR加工 中适合的配合剂和综合性能较好的硫化配方,并制备了不同环氧值的EBR硫化胶.The locki...
The immobilization of Bacillus megaterium ECU 1001 epoxide hydrolase was investigated.考察了多种载体对巨大芽孢杆菌ECU1001环氧水解酶的固定化.Trial and error revealed that it was best to put in the amide before the epoxide.尝试和误差法表明,最好在环氧化之前引进酰胺基...
The first British attempt to colonize Ireland was in the twelfth century.英国最早尝试在爱尔兰开拓殖民地是在12世纪。She is entitled to a twelfth of the cash.她有权获得这笔钱的1/12。December is the twelfth month of the year.12月是一年中的第12个月....
Psychologists are dealing with the problem of maladjusted adolescence and " juvenile delinquency ".心理学家对付着不适应环境的青少年和 “ 青少年犯罪 ” 的问题.Can be period caused after donating blood excuse me maladjusted?请问献血后会不会导致月经失调?Belong to ...
Increasing gravity is known to speed up the multiplication of cells.我们知道不断增加的引力会加速细胞的分裂。We had multiplication tables drilled into us at school.以前我们上学得反复背诵乘法表.The teacher hammers away at the multiplication tables.老师反复地念诵乘...
And is and all with put forward insecurely to manage the opinion homologous to the evaluation.并对评价为欠安全和不安全的提出了相应的治理意见.Our positions here at the university are rather insecurely supported by grant money.在这所大学里,我们这样的职位很可能争...
我感觉到她深褐色的头发拂过我的肩。I felt her dark brown hair brushing the back of my shoulder.她懊恼地把桌子上的牌都拂到了地上。With a gesture of frustration, she swept the cards from the table.艾伦伸手把信拂开了。Alan stretched out his hand and flicked the letter...
Certain grammatical rules must be followed when describing a conversation in reported speech.在转述对话时必须遵循一定的语法规则.The use of the reported speech relates to two different speech acts.引语的使用,涉及到两个不同的言语行为.Use reported speech to...