過度酸化 的英文怎麼說
中文拼音 [guòdùsuānhuà]
過度酸化
英文
overacidification-
Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted
研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5Methods for chemical analysis of spodumenite and lepidolite concentrates - the persulfate oxidation photometric method for the determination of manganous oxide content
鋰輝石，鋰雲母精礦化學分析方法過硫酸鹽氧化光度法測定-氧化錳量The persulfate oxidation photometric mothod for the determination of manganous oxide content
過硫酸鹽氧化光度法測定一氧化錳量As a mild oxidant, sodium perborate has been widely ( used ) in detergent, paste, issue bleach, hair care products due to its good stability and the high speed of oxygen delivery
過硼酸鈉作為一種溫和的氧化劑，憑其較高的穩定性，快速的放氧速度，被廣泛地應用於洗滌劑、牙膏、織物漂白和美發產品中。Fireclay and high - alumina refractories - determination of manganese oxide content - ammonium persulfate photometric method
過硫酸銨光度法測定氧化錳量The total n in enviromental samples is commonly determined by k2s2o8 - spectrophotometric method, and the total p is commonly determined by phosphatic molybdenum spectrophotometry
摘要環境樣品總氮的測定常用過硫酸鉀氧化紫外分光光度法測定，而總磷一般為磷鋁藍分光光度法。Methods of test for orthoboric acid boric acid, diboron trioxide boric oxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use - determination of bulk density of sodium perborates
工業用硼酸氧化硼四硼酸二鈉高硼酸鈉與粗硼酸鈉的試驗方法.過硼酸鈉體密度的測定" overuse of recycled plastic and materials such as talcum powder and calcium carbonate can generate chemicals that can cause cancer if they come in contact with hot food and oil. " the newspaper said
報導指出，過度使用回收塑膠及滑石粉和碳酸鈣等材質，一旦讓它們接觸到熱食和油，就會產生致癌化學物質。They can also be used for fiber sizing, textile finishing, the reinforcing agent for cement and ceramics, and the preparation of various kinds of latex paints, and all kinds of special adhesion agents. the products of vinyl acetate - acrylic ester copolymer emulsion, which have overcome some defect of homopolymerized products, are newly developed. the modified emulsion has stronger water resistance, better flexibility, and lower glass state temperature
醋-丙共聚系列乳液產品是針對均聚產品的某些缺陷而發展起來的新膠種，它通過醋酸乙烯與丙烯酸脂類共聚改性，提高膠粘劑的耐水性和柔韌性，降低共聚物的玻璃化溫度，使產品對一些均聚乳液難以粘接的材料具有良好的粘接性能，主要產品有：寶麗板膠鋁箔紙膠塑板膠等。During storing period the husked rice under conventional storage usually has apparent degeneration in its fatty acid content, the total acidity of water - soluble acids also changes distinctly, and the catalase activity and the germination percentage of husked rice will reduce evidently with the extension of storing duration
常規儲藏的糙米在儲藏期間脂肪酸含量變化明顯，水溶性酸的總酸度變化也較明顯，糙米的過氧化氫酶活性、糙米發芽率會因儲藏時間的延長而明顯降低。Monitoring at the stations in dagze county and lhasa city, both on the upper reaches of the lhasa river, and the estuary of the lhasa and yarlung zangbo rivers reports no changes that have taken place to the acidity and basicity, hardness and chemical oxygen consumption ( coc ) of the water
通過對拉薩河上游達孜縣、拉薩市以及拉薩河與雅魯藏布江的匯合處3個點的監測，水的酸堿度、硬度和化學耗氧量在3個點上均無變化。Since 1980s, taed is mainly used as bleaching activators of persalts in cleaning products. it can perform under low temperature and in less time than peroxides alone. a recent report shows that under different ph taed reacts with hydroperoxides differently
自70年代以來， taed就主要作為低溫漂白活性劑與過酸鹽（如過硼酸鈉，過碳酸鈉）組合應用於洗滌產品中，這樣就可以清除因洗滌時間、溫度致使過氧化物無法洗凈的污物。It reacts with hydrogen peroxide in the solution and forms a stronger oxidant ( peracetate anion ). since 1970s, taed has been applied to detergents and washing powder as a bleaching booster of peroxides. it can remove the dirt that is difficult to be disposed of by peroxides alone
自70年代以來， taed就主要作為低溫漂白活性劑與過酸鹽（如過硼酸鈉，過碳酸鈉）組合應用於洗滌產品中，這樣就可以清除因洗滌時間、溫度致使過氧化物無法洗凈的污物。3 ) from the samples saturated completely by air to those saturated completely by brine, the velocities of compressive wave of the rocks increase obviously, with the extent of 11. 73 % ; the velocities of shear wave change little or decrease slightly, with the average of decreasing extent of 1. 21 % for shear wave 1 and 1. 16 % for shear wave 2. the difference of velocity between compressive wave and shear wave makes poisson ' s ratio increase obviously, with the average extent of 87. 25 %
3 ）從完全飽和氣到完全飽和水，珠江口盆地第三系砂巖、粉砂巖、碳酸鹽巖及其過渡性巖石類型的縱波速度是顯著增加的，平均增加幅度為11 . 73 ；橫波速度變化很小，或略有降低，橫波1平均降低幅度為1 . 21 ，橫波2平均降低幅度為1 . 16 ；縱橫波速度的這種差異變化導致泊松比顯著增加，平均增加幅度為87 . 25 。Ftir, thermal conductivity device and smart digital rounding temperature testing device are used to test the infrared absorption spectrum, thermal conductivity and temperature changes of the title coatings, it is concluded that when hudrotalcite and magnesium sulfate is mixed by 4 to 10, the heat insulation property is the best, and the temperature changes of nizi increased by 5 approximately compared with those without hydrotalcite and magnesium sulfate compound system, but the heat conduction coefficient is hardly increased because of the different mechanism of heat insulation of the fillers, which further prove that heat insulation with fillers is based on infrared barrier
本文使用傅里葉變換紅外光譜儀、導熱系數儀和智能數字式巡迴檢測溫度測試儀分別測試了添加具有紅外阻隔能力填料的內墻塗料的紅外吸收光譜、導熱系數和溫度變化情況，通過測試結果得出結論：水滑石和硫酸鎂在質量比為4 : 10的時候，紅外阻隔性能最優，其溫差變化較沒有添加水滑石硫酸鎂復合體系時提高5左右，而對內墻塗料的導熱系數幾乎沒有影響，這是由於填料對塗料的保溫機理不同所致，同時也進一步驗證了填料是通過紅外阻隔來達到保溫效果的。The temperature difference should not be more than 2 degrees, and the difference in ph levels should not exceed 0. 5. the salinity difference should not be more than 2ppt
排泄物過量積聚會過度消耗溶氧產生亞硝酸物硫化氫及改變池底生態，致使蝦生長緩慢及存活率低。Methods of test for orthoboric acid boric acid, diboron trioxide boric oxide, disodium tetraborates, sodium perborates and crude sodium borates for industrial use - determination of particle size distribution of sodium perborates by mechanical sieving
工業用硼酸氧化硼四硼酸二鈉高硼酸鈉與粗硼酸鈉的試驗方法.用機械篩分法測定過硼酸鈉粒度分佈Agricultural intensification plays an important role in stabilizing the food production in china, while bringing about an increasing negative impact on the soil and eco - environment as a result of the long - term highly - intensive land use and agricultural chemical overuse, thus leading to degradation of soil physical, chemical and biological properties, which are demonstrated as soil nutrient imbalance, soil acidification, pollutant accumulation, and biodiversity deterioration and posing serious stress and threat to the ecosystem per se and the environment
摘要集約化農業對保障我國糧食安全發揮了巨大的作用，但其長期的土地高強度利用和農用化學品過量投入的負面影響也日益顯現，導致的以土壤養分失衡、土壤酸化、有害物質積累、生物多樣性衰退等為主要表現形式的土壤物理、化學和生物學退化，給生態系統本身與環境都帶來了巨大壓力和嚴重威脅。Abstract : anchor packer is one of the important downhole tools which areused in oil production and waterflood technical operation, such as layer waterflood, layer fracture or acidation, mechanical water block. after anchor is fixed in the simulated test unit, the invasion depth of the casing can be known with the help of the sensor around the casing wall, and then the failure degree is concluded. this is very important for the anchor packer design and site operation
文摘:在油田開發中封隔器是實施機械採油、分層注水、分層壓裂或酸化、機械卡堵水等注采工藝作業的主要井下工具之一，封隔器上的卡瓦是保證工作可靠性的重要元件，把卡瓦安裝在模擬試驗裝置中，通過在套管壁周圍分佈位移傳感器，測得卡瓦錨定后切入套管壁深度，判斷卡瓦對套管的損傷程度，這對封隔器的設計和現場使用具有十分重要的意義。It is considered that pretreatment could improve the physical and chemical of ofmsw characteristics, such as solubility, acidity, alkalinity, and biodegradability, and accordingly increase soluble chemical demand ( cod ) and volatile fatty acid ( vfa ), enhancing biogas yield, reducing hydraulic retention time ( hrt ), optimizing anaerobic process and releasing post - treatment
研究認為，通過溶胞處理能夠改善有機垃圾的物理化學性質如發酵物料的溶解度、酸堿度等，提高微生物對難降解有機物的分解，增加可溶性cod和揮發性酸的濃度，優化發酵細菌的代謝途徑以及產物的組成等，從而增加生物氣產量，縮短水力停留時間，強化厭氧發酵過程，減輕了后續處理的負擔。分享友人