Methods for chamical analysis of vanadium pentixide - the ortho - phenanthroline spectrophotometric method forthe determination of iron content 五氧化二釩化學分析方法鄰二氮雜菲分光光度法測定鐵量
Evaluation of engineering project engineering design for building structure , special structure motive power machine s foundation and conplicated foundation ; consu 1 tation in architecture design of chamical engineering 工程項目評估,建筑結構設計,特殊結構設計,動力機器基礎設計,復雜工程地基處理,化工建筑設計咨詢。
With the development of technology , especially the improvement of polyboard technology , it opens a new door to the usage of bamboo . now , compared with wood in physiology and chamical characteristic , the advantage of bamboo give us more expectation to the further usage 隨著科技的發(fā)展,特別是復合板技術的發(fā)展為竹材的利用提供了廣闊的發(fā)展前景,特別是在比較竹材的生長特性和物理化學特性遠高于木材時,我們完全有理由對她給予更多的期待。
Shcan2000 field - bus control system based on software reuse is discussed and studied in this paper , and farther more a set of control software for l ldpe - cat production . according to shcan2000 system is also presented as an application sample , which is pratically working excellently and efficiently in a chamical plant now 本文討論并研究了基于軟件復用技術的shcan2000現(xiàn)場總線控制系統(tǒng),以該系統(tǒng)為基礎開發(fā)了一套用于高效催化劑生產(chǎn)的can現(xiàn)場總線工控軟件。該軟件功能強大,性能穩(wěn)定,已用于實際生產(chǎn),獲得滿意的控制效果。