upfield [ʌp'fi:ld]
- upfield的基本解释
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(足球等运动中)向前场的[地], 高磁场
- 更多网络例句与upfield相关的网络例句 [注:此内容来源于网络,仅供参考]
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Thehydrogen bonding interaction between the components results in upfield or downfield shift ofthe related resonance, which is correlated with the change of magnetic shielding on thecarbon.
另外,氢键相互作用还导致核磁共振谱线变宽,但是核磁共振谱线的宽度变化也同时受体系的Tg和结晶度的影响。
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The relationship between molecular modification of erythromycin and NMR chemical shifts was summarized. It's noticeable that downfield of shifts of H-3 (△δ 0.2) after silylation and upfield of shifts (△δ-0.4) after methylation. No changes were observed after methylation.
分析总结了红霉素分子修饰与核磁共振化学位移变化之间的关系,并且发现大环上H-3硅烷化后由高场移至低场(△δ为0.2),甲基化后又由低场移至高场(△δ为-0.4),变化均较大;而且一旦甲基化后H-3化学位移在高场几乎不再变化。
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He let a hoof upfield by Colombia keeper Luis Martinez bounce over his head into the net.
他让在他的头上的哥伦比亚管理人 Luis Martinez 跳的蹄 upfield 进去网。
- 更多网络解释与upfield相关的网络解释 [注:此内容来源于网络,仅供参考]
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upfield:高场
在与Zn2+和Cd2+互作用时,甲氧基CH3的质子经历明显的高场(upfield)偏移(ΔδZn=0.97. ΔδCd=0.41ppm),表明了甲氧基基团的氧原子与Zn2+/Cd2+强烈结合. 在吡啶低场邻位的质子因为N-金属协合效应而分别从8.49偏移到8.66(Zn2+)和8.80(Cd2+).
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upfield:前场
twin strkers双前锋 | upfield前场 | volley pass凌空传球
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upfield:向前场的
upend /颠倒/倒放/ | upfield /&/向前场(的)/ | upfloated /浮起的/