This article reports a method of preparation of metal-copper-powder with cuprammonia by directIy chemical method.

本文报导了一种用化学方法直接从铜氨溶液中制取金属铜粉的方法。

The whole wheatmeal is degraded by the fermentation method and dextrinized by the chemical method,then it begins cross linking through using particular dryer.

介绍了用发酵法将小麦全粉降解，再用化学法糊化，并辅以独特的催干剂后再交联。

Microwave assisted extraction method was used to extract oil from perilla seeds compared with other chemical methods including Soxhlet extraction,stirring extraction and Sonicate extraction.

本文采用微波辅助提取技术,对紫苏籽进行微波提取油脂实验,并与索氏提取、搅拌提取、超声波提取几种提取方法进行比较。

The second-order NLO properties of a series of tri-nuclear transition metal clusters with incomplete cubane-like structures were studied by using the first-principle quantum chemical method.

研究了具有欠完整立方烷构型的过渡金属原子簇分子的二阶非线性光学性质。

Through chemical method the alcoholic extract of cypripedium macranthum was obtained and was made to act on rat,it was discovered that the cypripedium macranthum has diuretic function.

用化学方法提取的大花杓兰水提醇液作用于大鼠,发现大花杓兰具有利尿作用。