First, it roughens the texture of the match head, helping to create friction wherever you strike it.

These ingredients can cause bleeding under the nails, discolouration and can roughen the smooth texture of the nails.

这些成分可引起指甲下出血，变色，甚至使原本质地光滑的指甲变得粗糙。

If maximum recoat interval is exceeded, roughen the film surface to ensure the adhesion between layers.

如超过最大重涂间隔，须磨粗表面，以确保漆膜间的附着力。

If gas permeates the polymer, it can roughen the inner surface of the part when the gas migrates out again.

如果气体穿透到聚合物内，当气体再溜出去的时候会造成内表面粗糙。

Currently, using photo-enhance chemical etching (PEC) has been proven to be an efficient method to roughen then-type GaN surface.

现在，光辅助化学湿蚀刻法（photo-enhancechemicalwetetchingmethod）已被证实可以有效的粗化N型氮化镓表面，且会形成规则的六面体形状。

to irritate or roughen by rubbing

通过摩擦使变粗糙或激怒

To cause (the skin) to roughen, redden, or crack, especially as a result of cold or exposure

使（皮肤）变粗糙、变红或皲裂，尤指寒冷或暴露所致

My beard a roughen in' coal pile

我的胡子长得像煤堆

store electrical energy capacitance . It is measured in farads.

电能的能力称为电容。电容的测量单位是法拉。

But a similarly sized ultracapacitor has a capacitance of 300 Farads.

但类似大小的超级电容的电容量为300法拉。

It is measured in farads.

电容的测量是法拉。

A capacitance unit equal to one billion farads.

电容单位等于十亿法拉。

The motivation is the same force that put Rouhani into power-the public outcry in Iran for relief from the crippling economic sanctions.

动机是把鲁哈尼推上台相同的力量—伊朗的公众希望解除严重伤害经济的制裁。

Iranian President Hassan Rouhani has spoken out against such crackdowns but done little to try to get the religious code relaxed.

伊朗总统哈桑·鲁哈尼公开表明反对宗教警察对妇女的镇压行为，但对于解除这一宗教习俗的实际作为却很少。

Since elected last June, Rouhani has pledged to resolve his country's nuclear dispute and end the economic sanctions imposed on Tehran.

鲁哈尼自去年六月上任以来，一直承诺解决伊朗的核争端，并结束外部力量施加给德黑兰的经济制裁。

According to Iranian media Hassan Rouhani has cleared majority of the vote over more hardline candidates.

据伊朗媒体报道，哈桑·鲁哈尼击败了多名强硬派候选人赢得了多数得票。

Rouhani says in all his years being around such negotiations, he's never seen as serious an atmosphere as during these New York talks.

鲁哈尼表示，他在这些年进行的类似谈判中，从未见过像纽约谈判这样严肃的氛围。

KENYON: Rouhani injected a note of urgency as he called for both courage and flexibility.

肯杨：鲁哈尼呼吁各方拿出勇气和灵活性，这注入了一些紧迫感。

PRESIDENT HASSAN ROUHANI: ( Through translator) So we do feel that the serious will does exist.

哈桑·鲁哈尼总统：（经过翻译）所以我们感觉到这种严肃会持续存在。

President Hassan Rouhani and Parliament Speaker Ali Larijani also attended the funeral.

伊朗总统哈桑·鲁哈尼和议会议长拉里贾尼也出席了葬礼。

Iranian President Hassan Rouhani says his administration will never be pressured into holding talks with the United States.

伊朗总统哈桑·鲁哈尼表示，其政府永远不会在压力下与美国进行谈判。