查询词典 upfield

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。

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。

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。

If tempo is high then players will look to move the ball around quickly and get it further upfield sooner.

如果节奏是高的，那么球员就会寻求快速传切球，而且会尽早把球传到前场。

"A lot of time I get told not to track back and to conserve my energy, stay upfield and save myself for when we are attacking," he said.

"很多时候我被告知不要回来，省着点力气。在前面进攻，"他说。

Iran came out more determined in the second half and equalised after captain Mehdi Mahdavikia made his first foray upfield.

伊朗在下半场左右着比赛，他们的队长到前场的第一次助攻就扳平了比分。

The teams from the north of England are terrible. When we play them I have counted their centre-backs booting up to 30 long balls upfield per game.

英格兰的北部球队太糟糕了，每次我们和他们交手，我有数过，他们的中后卫基本每场球都有30次大脚直接踢往前场。

No significant changes in the protein signals were observed, except that the signal from albumin lysyl shifted towards upfield.

此外，没有观察到血清蛋白信号的明显变化，仅血清白蛋白赖氨酰信号随pH增高有高场位移。

The chemical shifts of the carbon atoms connected with the nitrogen atoms in the protonated pyridines were moved upfield in comparison with those of the pyridines.

在质子化的吡啶中，与氮原子相连的碳原子的化学位移与吡啶相比移向高场。

A free-kick upfield was flicked on Adjei into the path of Inman who took it in his stride and slotted past Amos.

前场任意球打在Adjei反弹到了Inman面前，他的射门越过了阿莫斯。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。