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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Especially indicated for glazes which contain lead and boron.

尤其适用于含铅、含硼的釉药.

Phosphorus and boron act as glass flow temperature modifiers.

硼和磷作为玻璃流程温度修饰词.

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.

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.

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.

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.

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.

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.

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.