金刚石

The night-shining jewel interred in the mouth of the late Empress Dowager Cixi weighing 4-tael 2-mace and 7-candareen was actually the Great Mogul, a legendary diamond originated from ancient India.

随葬于慈禧太后嘴中的一块称重为清代&四两二钱七分&的夜明珠，实际上是来自印度的莫卧儿大帝金刚石，已经被笔者定名为&国英金刚石&原石，其重量约当现在787.28克拉。

By previous investigation , there are three categories of substrates.

主要研究内容： 1 研究金刚石膜在不同衬底的形核问题是沉积高质量的金刚石膜的主要问题。

It is not known how rare this resemblance is, or whether it is most often seen in inclusions of silicates such as garnet, whose crystallography is generally somewhat similar to that of diamond; but when present, the resemblance is regarded as compelling evidence that the diamonds and inclusions are truly cogenetic.

现在尚不知这种类似稀少到何种地步，也不知道是否它最常见于象石榴石一类的硅酸盐内含物中，而这类物质的晶体结构普遍地在某种程度上类似于金刚石的晶体结构。但一旦存在，这种类似就被视作极有说服力的证据，证明金刚石与内含物确是同源的。

The main products has:§105mm -§1000mm large, medium and small diameter concrete, granite, marble, diamond saw blade;§20mm -§300mm hollow thin-walled diamond bit; various sizes of single-phase, three-phase drill reinforced concrete and concrete strength Qing Java machine, concrete pavement cutting machine and vibration rammers, petrol rammers, reinforcing steel cutting machine, bending machine, tamping machines and other frogs.

主要产品有：ф105mm--ф1000mm大、中、小直径混凝土、花岗岩、大理石、金刚石锯片；ф20mm--ф300mm金刚石空心薄壁钻头；各种规格单相、三相钢筋混凝土钻孔机以及混凝土强力清渣机，混凝土路面切割机和振动冲击夯，汽油冲击夯、钢筋切断机、弯曲机、蛙夯机等。

The making technics of brazed monolayer tool is system studied in the paper. The applied brazed monolayer grindingplate is empoldered and brazed monolayer diamond wheel is also pilot studied, moreover grit-brazing mechanism is analyzed. These will make good experiment base in applying brazed monolayer diamond wheel in the future.

本文系统地研究了单层钎焊磨具的制造工艺，开发出能实际使用的单层钎焊砂盘，对钎焊金刚石砂轮也作出了初步研究，并分析磨粒钎焊机理，为今后国内开发钎焊金刚石砂轮打下良好的实验基础。

The main scope of application: Diamond Cutter welding, carbide saw blades, machining with carbide tools of welding, such as diamond tools, drill, tools, planing, milling cutter, reamer, such as welding and cutting tools; standard parts , bolts of hot upsetting, such as high strength bolts, nuts, etc.; hardware tools, hand tools, heat treatment, such as pliers, wrenches, rotary tools, hammers, axes; all kinds of automobile fittings, motorcycle fittings of high-frequency quenching treatment, such as : crankshaft, connecting rod, piston pin, crank pin, sprocket, camshaft, valves, all kinds of rocker arm, rocker shaft; gearbox various gears, spline shaft, axle bronchitis, all kinds of small shafts, high-frequency quenching, such as various fork of the handle; metal parts of the heat treatment, such as a variety of gears, chain wheel, the wheels, vibrating screen, a variety of shaft, spline shaft, and marketing of high-frequency quenching treatment, etc.; machine tool machine tool industry bed rail, such as the quenching treatment.

主要适用范围：金刚石刀头的焊接，硬质合金锯片、机械加工用硬质合金刀具的焊接，如金刚石刀具、钻具、车刀、刨刀、铣刀、铰刀等刃具的焊接；标准件、螺栓的热镦，如高强度螺栓、螺帽等；五金工具、手工工具的热处理，如钳子、扳手、旋具、锤子、斧头；各种汽车配件、摩托车配件的高频淬火处理，如：曲轴、连杆、活塞销、曲柄销、链轮、凸轮轴、气门、各种摇臂、摇臂轴；变速箱内各种齿轮、花键轴、传支半轴、各种小轴、各种拨叉等高频淬火的处理；金属零件的热处理，如各种齿轮、链轮、行车轮、振动筛、各种轴、花键轴、销等的高频淬火处理；机床行业的机床床面导轨的淬火处理等。

The main scope of application: Diamond Cutter welding, carbide saw blades, machining with carbide tools of welding, such as diamond tools, drill, tools, planing, milling cutter, reamer, such as welding and cutting tools; standard parts , bolts of hot upsetting, such as high strength bolts, nuts, etc.; Hardware tools, hand tools, heat treatment, such as pliers, wrenches, rotary tools, hammers, axes; a variety of auto parts, motorcycle accessories, high-frequency quenching treatment, such as : crankshaft, connecting rod, piston pin, crank pin, sprocket, camshaft, valves, all kinds of rocker arm, rocker shaft; gearbox various gears, spline shaft, axle bronchitis, all kinds of small shafts, high-frequency quenching, such as various fork of the handle; metal parts heat treatment, such as a variety of gears, sprocket, all kinds of shaft, spline shaft, and marketing of high-frequency quenching treatment, etc.; machine tool industry machine bed rails of Quenching disposal.

主要适用范围：金刚石刀头的焊接，硬质合金锯片、机械加工用硬质合金刀具的焊接，如金刚石刀具、钻具、车刀、刨刀、铣刀、铰刀等刃具的焊接；标准件、螺栓的热镦，如高强度螺栓、螺帽等；五金工具、手工工具的热处理，如钳子、扳手、旋具、锤子、斧头；各种汽车配件、摩托车配件的高频淬火处理，如：曲轴、连杆、活塞销、曲柄销、链轮、凸轮轴、气门、各种摇臂、摇臂轴；变速箱内各种齿轮、花键轴、传支半轴、各种小轴、各种拨叉等高频淬火的处理；金属零件的热处理，如各种齿轮、链轮、各种轴、花键轴、销等的高频淬火处理；机床行业的机床床面导轨的淬火处理等。

The effect of Mo and Nb platings as well as chemical etching on diamond nucleation and growth on cemented carbide YG6 are studied and discussed thoroughly.

深入研究了镀Mo、镀Nb及化学腐蚀等表面改性方法对YG6硬质合金基体上金刚石形核及生长的影响，分析了这些方法影响金刚石形核的机理。

The scattering of phonons as main factors influencing the thermal conductivity were analyzed theoretically. The effects of methane concentration and the structure of diamond films were studied.

首先，我们分析了声子的散射是造成金刚石膜热导率降低的主要因素，研究了在不同的制备方法下碳源气体和金刚石结构对其热导率的影响。

Electroplated diamond wire saw is a kind of linearity superhard material tool, which is prepared by electroplating a layer metal deposit on metal wire and concreting diamond in the deposited metal.

电镀金刚石线锯是用电镀的方法在金属丝上沉积一层金属，并在沉积的金属内固结金刚石磨料制成的一种线性超硬材料工具。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。