The relation between the feed fineness of mill to the synthetic electricity consumption of crushing and grinding have been developed in this paper.Finally, the technique reconstruct design proposal of crushing work-shop is develop by word of collating the Fankou Lead-Zinc mine productive condition and premise.

通過對凡口礦目前生產(chǎn)環(huán)境的分析和各個生產(chǎn)環(huán)節(jié)能力的校核国产福利一区二区大秀视频，以及歷次破碎流程查定數(shù)據(jù)的分析，應(yīng)用CA Rowland和泰勒關(guān)于礦山設(shè)計能力的理論，設(shè)計出破碎工藝改造的方案。

The free radical scavenging properties of six Aloe species are to be investigated in some modified chemical system. The antioxidant was purified by silica column and thin layer chromatography and analyzed by HPLC. A fraction was purified from A. brevifolia Mill showed the most effective scavenging activities on 〓 and ·OH (66. 01% and 38. 98% respectively). With the analysis of IR spectrum, UV spectrum and mass spectrum, the structure of FA was identifed as 8-C-D-glucopyranosyl-2- [2-hydroxy] propyl-5-methyl-7-hydroxychromone. Its scavenging activity on free radicals is higher than that of aloe-emodin. Its antioxidant activity may be due to the phenoxyl on glucosyl chromone which can be react with free radicals and form relatively stable free radicals.

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Objective To discuss the application of collagen dressing in skin cosmesis,understand the compliance of the users and sum up the clinical effect. Methods Collagen dressing was used for treatment of various dermatosis patients after treatment With microscar mill,laser,photon.

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Aiming at a class of complex electromechanical systems, such as 4-high or multi-high cold mills and continual mills, we firstly construct mathematical models of every subsystems by means of structural principle modeling method; nextly, get the overall mathematical model of electromechanical drive system by joining together these subsystems'models according to coupling variables and parameters; we finally simplify the overall model according to time-scale principle which can retain main eigenvalues and significant state variables, and obtain a practical mathematical model of complex electromechanical system. By simulating the CM04 temper mill's model constructed by above-mentioned method, we test and verify that the modeling method is effective and practical. The study analyzes and researches the electromechanical coupling facts and acting laws existing in complex electromechanical system.

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The results show that although both Ni substitution and Mg vacancies are effective in desorbing hydrogen at lower temperatures, the substitution of Ni at the Mg site is energetically more favorable than the formation of Mg vacancies. The Ni atoms of NiF2 can replace some Mg atoms of MgH2 systems, the reaction of NiF2+3MgH2=MgF2+Mg2NiH4 during mill process is accelerated, thus, MgH2 with the higher stability can be changed into Mg2NiH4. Because of a ternary hydride Mg2NiH4 with lower stability forming, the dehydrogenating properties on Ni doped MgH2 systems are improved.

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For further enhances the numerical control engine laths the processing efficiency, the numerical control engine laths is clamping to the work piece in an engine laths attire then completes the multi-channel working procedure or the complete working procedure processing direction develops, therefore appeared each kind of type processing center engine laths, ike the turning center, the boring mill processing center, drills truncates center and so on.

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Ma'anshan De'ermeng Heavy Industry Machinery Co., Ltd. was founded in 2003 which has introduced the United States DNYA vertical machining centers and CNC numerical control machine tools and owned mechanical processing, centrifugal casting, precision casting, forging, heat treatment and other production workshops etc.. Besides, our company is the IS09001: 2008 quality certification company and own sophisticated equipment and completely testing methods. The main products of our company include the series of machine tools , hydraulic notching machine, joint punching machine, metallurgical spare parts type, mill stick road, Cold-rolled straightening roller, wear and heat-resistant lining ,the furnace slip block, roller, reverse roller, pinch roller, rail beam correction circle, saw drilling machine spare parts, mid-thick plate, hot-rolled plate blade, vertical disk Scissors blades, and other demanding mechanical spare parts.

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The results show that the compound grinding aid consisted of JA and JF has high efficiency which may increase the output of cement mill by more than 12% and energy saving by more than 10%;it is possible to activate the slag and more slag can be added in slag cement.

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