Diamond cone arrays are successfully prepared through hydrogen plasma etching. The intrinsic columnar structure of the diamond films leads to the unevenly distributed ion etching rate, which plays an important role in the cone formation.

金剛石薄膜內(nèi)在的柱狀結(jié)構(gòu)使氫離子在刻蝕薄膜時(shí)產(chǎn)生非均勻的刻蝕速率久久精品国产国产精福利，對(duì)錐狀表面的形成起著重要作用2级a片网站免费看。

In view of the differences in material property and fracture mode, the mechanism of using diamond polish to bore in component is studied, and a special diamond core boring bit is developed.

針對(duì)構(gòu)件組成材料的性能特點(diǎn)和破壞方式免费无码国产永久，研究了僉剛石磨料對(duì)構(gòu)件進(jìn)行套料鉆孔的機(jī)理，研制特定的鉆孔工具和工藝裝置国产精品极品资源福利，對(duì)構(gòu)件鉆削區(qū)及其周圍材料施加預(yù)壓應(yīng)力人人摸人人操人人插。

In view of the differences in material property and fracture mode, the mechanism of using diamond polish to bore in component is studied, and a special diamond core boring bit is developed. The technological equipment can exert compressive pre-stress on drilling area and surrounding material.

針對(duì)構(gòu)件組成材料的性能特點(diǎn)和破壞方式，研究了金剛石磨料對(duì)構(gòu)件進(jìn)行套料鉆孔的機(jī)理殴美一级高清视频在线，研制特定的鉆孔工具和工藝裝置欧美官网在线观看，對(duì)構(gòu)件鉆削區(qū)及其周圍材料施加預(yù)壓應(yīng)力。

The thermal diffusivity of diamond films and diamond-based masks were measured by means of the photothermal deflection method with an error of 5%.

我們采用光熱偏轉(zhuǎn)法實(shí)現(xiàn)了金剛石薄膜和金剛石基底掩模的熱擴(kuò)散率和熱導(dǎo)率的測(cè)試200毛片，測(cè)量誤差小于5%国产女人久久二级的毛片。

This ring will not be a three stone ring, a diamond anniversary band or a diamond engagement ring.

這戒指不會(huì)有三個(gè)石環(huán)、鉆石或樂隊(duì)周年鉆石戒指接觸色色色色鬼。

Unique and unusual diamond engagement rings, anniversary rings, handmade wedding rings, bespoke diamond earrings and platinum pendants.

獨(dú)特的接觸和異常的鉆石戒指综合区图片区视频区亚小说区，戒指周年，手工結(jié)婚戒指又黄又粗又大又长又色又爽、耳環(huán)国产精品欧美亚洲韩国日本不卡、白金鉆石吊墜預(yù)訂。

For more information on Black Diamond and Black Diamond product, please visit our web-site at www.

希望中文網(wǎng)站的推出能給各位帶來(lái)更大的方便中国熟妇性视频一区。

An example of a diamond containing boron is the famous Blue Hope diamond.

一個(gè)例子就是著名的鉆石含硼金剛石藍(lán)色希望日日爱自拍com。

An example of a diamond containing boron is the famous Blue Hope diamond.

例如，一個(gè)鉆石含硼就是有名的藍(lán)色希望鉆石www.色色色色色色色色色。

The experiment results show that the lowest synthesis pressure changed with the different proportion of added boron. At the same time, from the color change of synthesized diamond, we can see that it is an effective method to improve the content of boron in diamond crystal.

實(shí)驗(yàn)結(jié)果表明www日免费看，隨硼添加比例的不同，合成金剛石的最低壓力點(diǎn)也不同AV影院网站；同時(shí)18岁以内禁看黄色视频，通過不同添加比例的硼合成出金剛石的顏色，可得知該方法對(duì)提高金剛石內(nèi)硼含量的有效性日韩不卡视频毛片。