A new preparation method of synthetic borneol and synthetic camphor is reported.

Conclusion: The hemoclasis of ligustrazine, synthetic borneol were obviously.

结论: 川芎嗪 、 冰片溶血作用明显.

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The main copper minerals are malachite, chrysocolla, little chalcopyrite, chalcosine and even little bornite and covellite.

矿石主要含铜矿物为孔雀石 、 硅孔雀石, 少量的黄铜矿 、 辉铜矿及极少量的斑铜矿和铜蓝等.

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In addition to the natural copper and malachite, there are chalcopyrite, bornite , Hui copper, bronze, etc.

除自然铜和孔雀石之外, 还有黄铜矿 、 斑铜矿 、 辉铜矿 、 铜蓝和黝铜矿等.

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Cover Story: Dense disseminated bornite in wollastonite skarn ore.

封面故事: 硅灰石矿石中的稠密浸染状斑铜矿.

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Magnetic cobalt-boron alloy deposits were prepared by electroless plating.

采用化学镀制得钴硼磁性合金镀层.

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The phenomenon of boron particle ignition in hot air was defined.

说明了硼粒子在热空气中的点火现象.

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DHS-B Utma-high purity , 10 W alkali, low aluminum, low boron, semiconductor grade.

高纯度, 低碱, 低铝, 低硼, 半导体级.

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Ways to further improve special boron bearing diamond are pointed out.

指出了进一步提高特殊类型含硼金刚石质量的方法与途径.

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A hardfacing electrode containing boron and various alloy elements has been developed.

研制出一种含硼等多种合金元素的耐高温磨损堆焊焊条.

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High boron iron-based alloy ( HBIA ) is a kind of new wear-resistant material.

高硼铁 基合金 是一种新型 耐磨 材料.

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Boron carbon nitride ( BCN ) thin films were deposited by radio frequency ( RF ) magnetron sputtering .

采用射频 磁控溅射 技术制备出硼碳氮 ( BCN ) 薄膜.

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Especially indicated for glazes which contain lead and boron.

尤其适用于含铅、含硼的釉药.

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Phosphorus and boron act as glass flow temperature modifiers.

硼和磷作为玻璃流程温度修饰词.

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Iron-nickel-phosphorus-boron quaternary alloy electroless plating on copper panel was described.

在铜基上化学镀铁 - 镍 - 磷 - 硼四元合金.

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Sodium, sulfate, magnesium, calcium, carbonate, bicarbonate, chloride, and boron should be determined in a water anylasis.

水质分析要测定钠 、 硫 、 镁 、 钙 、 碳酸盐 、 重碳酸盐 、 氯和硼的含量.

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The presence of boron or a boron compound in neutron shields has certain advantages.

在中子防护体中加入硼或一种硼的化合物是有一定优点的.

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Calmon has quoted ion exchange costs of $ 0.12-0 . 30 / 1000 gal for boron treatment.

卡尔蒙提出的离子交换树脂处理硼的费用为0.12 ― 0.30美元/千加仑.

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Borax is the compound commonly applied to the soil to correct boron deficiency.

硼砂是矫正土壤缺硼的常用硼化合物.

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There is still great interest in boron as an essential plant nutrient.

迄今硼作为植物的必要营养元素仍极其重要.

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This paper has the esterification of isopropanol and salicylic acid in the presence of boronic acid.

以硼酸为催化剂合成水杨酸异丙酯,发现硼酸对水杨酸异丙酯的合成具有良好的催化活性.