活化鋁土 的英文怎麼說
中文拼音 [huóhuàlǚtǔ]
活化鋁土
英文
activated alumina-
Activated agent of cerium that is abundant and cheap together with a little terbiumas additive is used in the study, to research and explore luminescent mechanism of aluminates strontium
本研究擬選用原料豐富、價格便宜的輕稀土元素鈰作敏化劑，以鋱作激活劑，對其在鋁酸鍶基體中的發光機理這一新領域進行研究和探討。( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy
首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合，制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上，測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑（ 13x ，硅膠和活性炭） 。There is a close relation between mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the manzhouli - e ' erguna region in the northeast of the northern orogenic belt, china, and three evolution stages of the mesozoic tectonic - fluid - petrogenetic and metallogenetic system are proposed out : 1 ) acompanied by ree and cu mineralization, the calc - alkaline volcanic rocks and mantle - crust mixed type granite occurred under the regional tension tectonic background caused by the mongolia - okhotsk residual ocean that was closing in scissors form in the early - middle jurassic. 2 ) acompanied by pb, zn and ag mineralization, the calc - alkaline and alkaline volcanic rocks occurred under the regional shear - compression tectonic background in the late jurassic. 3 ) acompanied by u, f, pb, zn and ag mineralization, the caic - alkaline and alkaline volcanic rocks occurred under the regional tension tectonic background in the early cretaceous
摘要本文討論了北方造山帶東北段滿洲里額爾古納地區及其毗鄰區中生代構造流體成巖成礦系統及其演化的三個不同階段： 1 ）早中侏羅世張性「似裂谷環境」下所形成的中基性堿性火山巖、同熔性花崗巖及深源流體活動形成的稀土礦床和斑巖性銅鋁礦床； 2 ）晚侏羅世擠壓剪切環境下所形成的酸性火山巖、斑巖類及深源流體活動所形成的鉛鋅銀礦床； 3 ）早白堊世張性環境下所形成的基性堿性火山巖及深源流體活動所形成的鈾礦床、金銀礦床及螢石礦床。The magnesia - alumina spinel is synthesized by using high - quality bauxite and active magnesia as starting materials and calcined at high temperatures. the spinel has high density and low water absorption rate
本品採用優質鋁礬土與活性氧化鎂合成，經高溫煅燒，體積密度大，吸水率低，是冶金建材行業理想的原料。The modified nickel - supported catalysts possess good reaction performance, conversion of propane and carbon dioxide as well as yield of hydrogen
採用稀土改性的氧化鋁負載的鎳催化劑顯示出較好的催化活性，比氧化鋁負載的貴金屬催化劑有更好的丙烷二氧化碳轉化率和氫氣收率。The content of this research include : screening the microorganism that can produce bioflocculant from the microorganism sample, select the best microorganism to optimize its culture condition that can increase the flocculating activity to the utmost ; in order to see about his flocculating activity, then using the bioflocculant flocculate the kaolin suspension and compare the flocculating results with the pac hpam ; on the basis of the bioflocculant has excellence flocculating activity, distill and purify the bioflocculant from the culture mediunu give qualitative analysis of its ingredient and reach its flocculating mechanism. the studies include the enrichment culture of the microorganisms that can produce bioflocculant and their screening suggest that they are broad exist in the soil and active sludge
本課題的研究內容包括：從微生物樣品來源中篩選出微生物絮凝劑；從中挑選具有優良絮凝活性的微生物絮凝劑產生菌，對其產微生物絮凝劑的培養條件進行優化以提高其產絮凝劑的絮凝活性；用該絮凝劑絮凝高嶺土懸液，並與聚合鋁（ pac ）和水解聚丙烯酰胺（ hpam ）進行比較，以考察其對廢水的絮凝效果；在具有優良絮凝活性的基礎上，將該絮凝劑提取和純化，對其進行分析研究，並對其絮凝機理進行探討。The soil organo - mineral complexes, formed by intimate association of organic matters or humic substances and mineral, is one of the fundamental features that distinguishes soils from their geological parent materials, and effects on the nature of soil aggregate, and the amounts and characters of soil particle aggregation is closely related to soil fertility. by way of collecting soil samples outdoors and analysis indoors and using the dry land soils developed from purple soils as research materials, this paper investigated status of organo - mineral complexion, characters of aggregation and soil fertility for discussing the relationship among them under different land treatments, and the factors that influencing the amounts and characters of organo - mineral complexion and soil aggregation and restricting status of soil fertility, the main results were as follows : there were remarkable differences of status and activity of fe oxide and aluminum oxide in dry land soils developed from different parent soils and under different utilizations
土壤中有機物質和礦物質的結合?土壤有機無機復合體是土壤區別其母質的基本特徵之一，它對土壤團聚體的性質有很大的影響，而團聚體的數量和性狀有跟土壤肥力密切相關，本文以不同母巖發育的旱地紫色土作為研究材料，通過野外采樣和室內分析，研究了旱地紫色土的有機無機復合狀況、團聚體特徵和肥力水平，探討了在不同土地利用方式下它們之間的關系，以及影響有機無機復合、土壤中團聚體的數量、性質以及制約土壤養分狀況的因素，主要結果如下：不同類型的紫色土鐵鋁氧化物形態和活性具有很大差別。Are produced by mixing finely divided reactive silica with a binder and then adding an aeration agent, usually in the form of al - powder
由一種捆紮物分開的微細活性的硅土製成，然後加入氣化介質，通常是以鋁粉的形式。The research results revealed that activated alumina content of calcined kaolin of kaolin had a strong correlation with the calcined temperatures and time. the activated alumina content of calcined kaolin increased with the calcined temperatures increasing from 750 c to 950 c, and increased with the calcined time prolonging at 750 c, 800 c, 850 c, 900 c and 950 c. however, the elevated speed of the activated alumina content decreased at 950 c for 4h
研究發現，高嶺土的煅燒溫度及煅燒時間對煅燒高嶺土中的活性氧化鋁的含量具有較大的影響：高嶺土在750 、 800 、 850 、 900 、 950溫度下煅燒，其活性氧化鋁含量隨溫度和時間的增加而增加，但在950 、 4h時后活性氧化鋁的增加速度降低。The activated alumina content had a reduce with time prolonging from 2h to 5h at calcined temperature of 1000 c. the research results also revealed that products obtained by sudden cooling from high temperature had a higher content of activated alumina than that by cooling naturally
1000時煅燒高嶺土中活性氧化鋁的含量在煅燒時間2h 5h隨煅燒時間的延長還有所下降。另外，高嶺土煅燒后採用急冷方法比採用自然降溫方法中制得的煅燒高嶺土具有更高的活性氧化鋁含量。分享友人