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ferric oxide 三氧化二鐵,氧化鐵。

ferric sulphate

Cleanup corrosive substance in pipe such as internal water , clean oil , methane hydrate , ferric oxide , carbide dust , carbon bisulfide , hydrosulphurice acide , etc . ; reduce corrosion damages to inner wall of pipeline caused by corrosive substance ; clarify pipe route again ; inspect pipe deformation ; check perfectness ratio of valves along pipe ; decrease working backpressure 清除管線內部積水、輕質油、甲烷水合物、氧化鐵、碳化物粉塵、二硫化碳、氫硫酸等腐蝕性物質;降低腐蝕性物質對管道內壁的腐蝕損傷;重新明確管線走向;檢測管線變形;檢查沿線閥門完好率;減小工作回壓。

As for materials for faradaic pseudocapacitor , we mainly studied metal oxide . the paper prepared ferric oxide by sol - gel method , decomposition product of potassium permanganate and cobalt oxide by pyrogenation way , nano - nickel oxide by sol - gel and pyrogenation method and manganese oxide by different ways 本文用溶膠?凝膠法制行備三氧化二鐵;熱分解法制備了高錳酸鉀分解產物和氧化鈷;分別用溶膠?凝膠法和熱分解法制備了納米氧化鎳;還用不同的方法制備了二氧化錳。

To comnter the problem of high grinding energy , rapid flow of material , low ratio of material to grinding media , and bad ball coating in common open circuit ferric oxide tube mill , ferric oxide superfine grinding technology markedly increase grinding efficiency and improve grinding status in the tube mill by setting high efficiency sifting equipment , material place regulating technology and subminiature cylpeb 摘要針對普通開流氧化鐵管磨機在氧化鐵生產過程中存在電耗高,流速快,料球比低、嚴重糊磨等問題,通過在磨內設里高效篩分裝蘭,采用料位調節、微型鋼段等技術措施,極大地改善了磨內粉磨工況,提高了粉磨效率。

Due to their high oxidation , multiple electron transfer , and high intrinsic energy , we refer to the cells containing fe ( vi ) compounds as “ super - iron “ batteries with more energy capacity compared to conventional alkaline batteries . the three charge reduction of fe ( vi ) represents a high energy and capacity source of cathodes , and the products ( ferric oxide ) have been considered as an environmentally benign substance 如果fe ( )化合物作為電池的陰極材料時,其氧化反應為3電子過程,且反應產物為fe _ 2o _ 3 (鐵銹) ,與一般傳統堿性電池相比,它是一種高能,而且放電產物對環境無污染的綠色電池,目前,它的研究已成為電池研究領域的一個熱點。

This article analyzes the mineralization mechanism of the uranium ore , constructs a series of spectra indexes including the ferric oxide index , the ferrous oxide index , the oxidation index , clay mineral index , brightness index , the green index and the humidity index , and draws the distribution and scope of the oxidation belt , deoxidation belt , the supplies and partial drainage of ground water in the research area , thus selects the advantageous area of uranium mineralization 通過分析鈾礦的成礦機理,構建了氧化鐵指數、氧化亞鐵指數、氧化指數、粘土礦物指數、亮度指數、綠度指數和濕度指數等一系列光譜指數,提取了研究區氧化帶、還原帶、地下水補給與局部排泄的分布和范圍,從而圈定了鈾礦成礦的有利區。

Ferric oxides have been used as the third series of gas - sensing materials following sno2 and zno , especially a - fe _ 2o _ 3 nanomaterials with high chemical stability and unnecessarily doping the noble metal have attracted much attention 氧化鐵系材料成為繼氧化錫、氧化鋅之后的第三大系氣敏材料。尤其是具有較高穩定性、選擇性,且不用摻雜貴金屬作催化劑的? fe _ 2o _ 3基氣敏納米材料,引起了人們的廣泛興趣。

Good magnet - sheilding quality for multi - plugs it could be easily design multi out - put transformers . acording to different ferric oxide features , ranged from audio frequency to high freqency it could be designed appropriate transformers 磁屏蔽效果特別好,線圈架備有多路插頭,能很容易地設計出多路輸出的變壓器,根據豐富的鐵氧體材料的不同性能,可以從音頻到高頻范圍內,設計出能夠匹配的各種變壓器。

Pure tio2 film exist a mass of ferric oxide . in silver doped tio2 film , the tio2 react with ferric oxide , and fabricate fetio3 as the exist of silver . with the silver content increased , the content of fetio3 also increased 純tio _ 2薄膜中存在大量鐵的氧化物,摻銀tio _ 2膜層中,由于銀的存在, tio _ 2與氧化鐵結合生成鈦酸鐵,且隨銀含量增大,鈦酸鐵的含量增多。

Some additives such as graphite , ptfe and csno3 can improve obscuring effect of smoke screening in infrared waves . furthermore , some formulas entered nano ferric oxide can largely improve the effect of infrared extinction 指出金屬鎂粉優于其它金屬粉;三氧化二鐵和二氧化鈦是較好的氧化劑選擇;石墨、聚四氟乙烯和硝酸銫的添加有利于提高發煙劑紅外遮蔽能力。

Determination of phosphorus pentoxide , calcium oxide , ferric oxide , aluminum oxide . magnesium oxide , silicon dioxide and potassium oxide content for export phosphate rock by x - ray fluorescence spectrometry 出口磷礦石中五氧化二磷氧化鈣三氧化二鐵氧化鋁氧化鎂二氧化硅和氧化鉀的x -射線熒光光譜測定方法

Substances that are forbidding and limiting imported must not be found in the imported iron ores . for example , ferric oxide peels , rubbish , scrasp plastic and waste paper 進口鐵礦石中不得含有禁止或是限制進口的物質。例如:氧化鐵削、垃圾、廢塑料和廢紙的物質。

Chemical analysis methods and determination of physical performance of alumina determination of ferric oxide content - orthophenanthroline photometric method 氧化鋁化學分析方法和物理性能測定方法鄰二氮雜菲光度法測定三氧化二鐵含量

Methods for chemical analysis of spodumenite and lepidolite concentrates - the o - phenanthroline photometric method for the determination of ferric oxide content 鋰輝石,鋰云母精礦化學分析方法鄰二氮雜菲光度法測定三氧化二鐵量

Methods for chemical analysis of spodumenite and lepidolite concentrates - the edta volumetric method for the determination of ferric oxide content 鋰輝石,鋰云母精礦化學分析方法edta容量法測定三氧化二鐵量

Method for inspection of bauxite for export . determination of ferric oxide content - sulfosalicylicacid spectrophotometric method1995 - 09 - 06 出口礬土檢驗方法.磺基水楊酸光度法測三氧化二鐵量

Chemical analysis methods of aluminium hydroxide determination of ferric oxide content - orthophenanthroline photometric method 氫氧化鋁化學分析方法鄰二氮雜菲光度法測定三氧化二鐵含量

The study of absorptive property of ferric oxide film - coverde filtrate sand on lead in the waste water of porcelain chemical plant 氧化鐵覆膜濾沙對陶瓷化工廠廢水中鉛吸附性能的研究

Chemical analysis for silicon carbide refractories - determination of ferric oxide - o - phenanthroline photometric method 碳化硅耐火材料化學分析方法鄰二氮雜菲光度法測定三氧化二鐵量

Method of analysis baryte for export . determinationof ferric oxide by sulfosalicylic acidspectrophotometric method 出口重晶石分析方法.磺基水楊酸分光光度法測定三氧化二鐵