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A new method for synthesis of rosolic acid is introduced in this thesis: under solvent-free conditions, grinding the mixture containing phenol, oxalic acid and copper salt catalyst and then irradiated by MW to produce rosolic acid .

本文主要介绍了一种新的制取玫红酸的方法：在无溶剂的条件下，通过研磨将苯酚，草酸和催化剂混合均匀，再由微波作用，直接合成玫红酸。

Manufactured with imported monoblock tungsten steel, double-edged design and precise grinding technology, it holds such features as no chip adhibited at bottom, lucent and clarified at both sides, permanent rustless of cutter body and long life etc under processing.

特点：本刀具旨在提高产品加工质量和效率，它采用整体进口钨钢制造，双刃设计，精密的刃磨工艺，在加工字体中有底部不留屑，两边光洁透亮，刀体永不生锈，使用寿命长等特点，而且它的刚性上焊接刀具的5倍，这样大大可以加工雕刻速度，再有它可以重复修磨使用，一把刀具至少可以使用一年以上。

To 1987, towns and villages in northern Hebei Province Institute of Cultural Relics, Stream magnetic Village, North Village and the wild things Yan Kawamura discovered the seven, with a total area of 2,000 square meters and found the remains of a kiln 20, workshop 4, in which includes grinding groove, wells, Cheng Chi, feed cylinder, brick plaster venues, sagger, fences and so on.

1985～1987年，河北省文物研究所在北镇村、涧磁村、野北村和东西燕川村发掘了七处，总面积2000平方米，发现的遗迹有窑炉20座，作坊4处，其中包含有碾槽、水井、澄池、料缸、砖墁场地、匣钵、围墙等。

It is important to remove the wax before you start sanding and grinding the area.

这是很重要的，以消除蜡，然后开始打磨磨该地区。

The "rubbing" and "ploughing" action should be generated between the glass and the glass powder during seaming and grinding.

金刚石砂轮磨削斜边玻璃的过程还会产生玻璃对玻璃的&滑擦&和&耕犁&作用。

Used in grinding of chemical pulp,semichemical mechanical pulp,high-yield pulp and fiber board materials.

用于化学浆、半化学机械浆、冷浸法高得率浆及纤维板料的研磨。

Pharmacological effect might well change obviously when themedicinal material size is decreased to micro- or nano-size. For those plant herbs, it isdifficult to be ground to nanosize through conventional grinding method; while highspeed centrifugal sheering technology can be used to grind plant herbs tonanosize within a short time.

对于植物根茎类中药，很难采用普通的粉碎方法将其粉碎至微米或纳米级，而高速离心剪切式(High speed centrifugal sheering，简称HSCS)超细粉碎技术是新近发展起来的一种制备纳米粒子的技术，可以将植物根茎类药材粉碎至纳米级别。

Within minutes, millions of viewers nationwide found themselves driven into an uncontrollable frenzy of slavering lust, grinding themselves against the nearest person or object in a desperate bid to satiate their desires.

当时，据说全国上百万观众都被他的解说弄得欲火焚身，不顾一切的从身边找个人或东西来解决问题。

The super slippy surface can be got after colored metal and non-metal is cut by single crystal diamond cutter. Following, it can take the place of super precision grinding, the efficiency can be increased, and the precision can be guaranteed.

使用精密的单晶金刚石刀具加工有色金属和非金属，能够直接切出超光滑的加工表面，这样就可以取代超精密磨削等精加工工序，极大的提高加工效率，同时也可以保证加工精度和加工表面质量。

If you are using a new tank you can remove it by grinding or slitting the weld beads using a small 4 angle grinder.

如果您使用一个新的坦克，您可以删除或切磨削使用小4角向磨光机焊珠它。

No, it's unnecessary. I don't think I have a fever.

不，没有必要，我想我没有发烧。

We live in a culture of instant gratification.

我们生活在即时满足的文化中。