Imposing speed restrictions is easy, but forcing motorists to observe them is trickier.限制车速容易，但强制司机遵守这些限速规定就难办多了。This is the general rule, but some cases are trickier than others.以上是一般规则, 但某些案例会比别的案例更为棘手.The lower the nu...
The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件....
Impressionists such as Monet and Pissarro莫奈和毕沙罗等印象派画家The impressionists strike me as particularly interesting.印象派画家让我最感兴趣.Degas is usually classed with the impressionists.德加通常被归入到印象派一类....
Conclusion: TGF - � � directly induces the expression of CTGF and ECM components in HMCs.结论: HMCs可表达CTGF. TGF - β可诱导体外培养的HMCsCTGF及 ECM成分高表达.The beating of heart induces alternating currents in the surrounding tissues.心脏的...