- 更多网络例句与三价铁的相关的网络例句 [注:此内容来源于网络,仅供参考]
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In the presence of the combination of sulphuric and phosphoric acid, with sodium diphenylamine sulfonate as the indicator, standard solution of potassium dichromate was used to titrate total iron value.
试样以盐酸溶解后,在酸性介质中,先以氯化亚锡将三价铁大部分还原为二价,然后在钨酸钠指示下,再以三氯化钛将剩余的三价铁还原为二价,过量的三氯化钛以重铬酸钾氧化消除干扰,在硫磷混合酸存在下,以二苯胺磺酸钠为指示剂,用重铬酸钾标准溶液滴定全铁量。
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This invention discloses a method for preparing monodisperse oil-soluble surface-modified ferric oxide nanoparticles. The method comprises: mixing ethanol solution of soluble ferric salt with ethanol solution of fatty acid, adding alkali, stirring to obtain precursor of ferric oxyhydrogen fatty acid salt precipitate, and cracking at 210-280 deg.
一种制备单分散、油溶性表面修饰氧化铁纳米微粒的方法,将可溶性铁盐的乙醇溶液与脂肪酸的乙醇溶液混合,加入碱搅拌得前驱体三价铁氢氧脂肪酸盐沉淀;单元前驱体三价铁氢氧脂肪酸盐在无溶剂下直接热解得目标产品。
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The effects, such as the acidity of leaching system, the temperature and the concentration of the sodium chloride, on oxidation and leaching of copper-bearing gold ores were analyzed. The results show that the sequence of sulfide ores oxidized and dissolved are pyrrhotite firstly, sulphide secondly, then chalcopyrite, pyrite lastly.
结果表明:硫化矿的氧化溶解首先是磁黄铁矿,其次是铜的次生硫化矿,再次是黄铜矿,最后是黄铁矿;载金黄铜矿的氧化首先是铁从黄铜矿的晶格中氧化溶解出来,生成中间产物CuS2和CuS;较高的酸度和氯化钠浓度有利于单质硫的生成、三价铁的水解和铜的浸出,进而有利于金浸出率的提高。
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It includes the following steps: extract trivalent iron ion and divalent iron ion in water phase through organic extractant, get predecessor of; absterge it with secondary distilled water for2-3 times and get pure load metal predecessor of organic phase; mix organic phase of Mg2 and Fe3 with mol rate of 1:2 and introduce them into autoclave, add distilled water according to the rate of 3:1 or 4:1 of organic phase and water phase and airproof it, and then mix it fiercely, stripping with hydrothermal method at temperature between 200 degree C and 300 degree C and make them react for 2.5 hours; cool it to the room temperature under natural condition, separate liquid and centrifugalize it, absterge it with absolute alcohol for 2-3 times and dry it at temperature of 50 degree C for 30-180 minutes, then get product of magnesium ferrite.
包括如下步骤:通过有机萃取剂来萃取水相中的三价铁离子和二价镁离子,制得有机相前驱物;用二次蒸馏水洗涤2-3次,获得纯净的负载金属有机相前驱物;按照Mg 2 和Fe 3 摩尔比1∶2将有机相混合均匀后引入高压釜中,按照有机相与水相的比例为3∶1或4∶1加入蒸馏水,密封后,对溶液进行强力搅拌,水热反萃的温度在200-300℃之间反应2.5小时;自然冷却至室温,分液,离心分离,用无水乙醇洗涤2-3次,在50℃下干燥30-180分钟,得铁酸镁产品。
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Simultaneously, the total extractible myoglobin decreased and the proportion of metmyoglobin increased significantly when the pressure above 400MPa. Beef discoloration after pressure processing may result from oxidation of ferrous myoglobin to ferric metmyoglobin, globin denaturation and structural changes. At 40℃, the changes of beef color was similar to that of room temperature's. When the temperature rise to 60℃, most of muscle proteins denatured, a small quantity of native myoglobin could not affect the color of beef significantly. Therefore, protein denaturation was attributed to the main cause of discoloration in beef muscle after pressurization at 60℃.
压力处理导致色泽变化的直接原因可能是由于二价铁的肌红蛋白氧化成三价铁的高铁肌红蛋白、球蛋白的变性及结构的变化所致。40℃时的压力处理,色泽的变化规律与室温下相似,只是色泽变化的程度更为剧烈,蛋白质变性在色泽变化中起到的作用逐渐加强。60℃下的压力处理,绝大部分蛋白质发生变性,少量未变性的肌红蛋白对色泽不会产生明显的影响,此温度的压力处理,蛋白质变性是造成肌肉失去红色的主要原因。
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In this study, the effect of ferrate oxidation on stability of microcystins LR in freeze dried Oscillatoria amoena was investigated.
高铁酸盐(FeO2-4)的稳定性直接关系到其多功能净水效能的发挥,定性和定量地分析了高铁在不同pH范围内的稳定性及三价铁盐等因素对高铁稳定性的影响,并从高铁分解历程的角度给予了合理的解释。
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Leaching sulphate concentration was increased when inoculation concentrations superinduced, difference between 25% and 50% inoculation was not obviously after several days of bioleaching.
该菌在培养过程中pH先上升后下降最后稳定在2.0左右,60h培养后溶液中的亚铁离子浓度降至检测范围以下,同时生成含有三价铁的褐色沉淀。
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The amounts of iron bacteria in the distribution system water and the water from each treatment processes were determined by Most Probable Number and Plate Counts methods.
铁细菌一般生活于含氧少但溶有较多铁及二氧化碳的水中,能在氧化二价铁成三价铁化合物的过程中起催
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To acquire iron, many plants reduce Fe to Fe in soil by ferric-chelate reductases, which is an obligatory process for the iron acquisition.
为了获取铁元素,许多植物都将三价铁还原为二价铁后再吸收,由三价铁还原酶参与的还原过程是植物从土壤中获取铁的限速过程。
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On the other hand, the higher contents of hematite would not necessarily make the rocks red-colored, due to the suppression by other pigments, such as organic matter in black or ferrous iron of chlorite in green.
总体而言,浅红色岩层含有最高的总铁含量和赤铁矿铁,灰色岩层则以顺磁性的亚铁为主,暗色和绿色岩石仅含有顺磁性的二价铁或者与相对丰度较低的三价铁共存。
- 更多网络解释与三价铁的相关的网络解释 [注:此内容来源于网络,仅供参考]
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carboxyl terminal:羧基端
在羧基端(carboxyl terminal)的结合位与铁离子有很高的亲和力,只会与铁离子结合. 在氨基(N-terminal)端的结合位则是可以与其他离子结合,亲和力高低如下:铁>铬>锰>镉>镍. 三价铁离子与运铁蛋白的结合需要一个阴离子的存在,通常是重碳酸盐(bicarbonate).
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chlorophenol:氯酚
酚的生化需氧量(biochemical oxygen demand, BOD)相当高,容易耗尽水中的溶氧;浓度相当低的酚即可和氯反应,生成氯酚(chlorophenol),产生恶臭. 酚类化合物亦为水中色度之来源,如酚和三价铁盐结合呈紫红色反应;苯三酚(trihydroxybenzene)排入含铁之河川,
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excited state:激发状态
二价三价铁受到宇宙能量的波长影响,该铁原子的核旋转和电子旋转就发生变化,称为所谓激发状态(Excited state)而具有高阶能量. 从这种高阶能量的铁原子会放射出某种电磁波,即所谓气(Aura).
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ferriage:摆渡; 摆渡钱 (名)
Ferrari 法拉利, 意大利豪华车 (名) | ferriage 摆渡; 摆渡钱 (名) | ferric 铁的, 三价铁的, 含铁的 (形)
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methemoglobinemia:高铁血红蛋白血症
2、高铁血红蛋白血症(methemoglobinemia)血红蛋白的二价铁,在氧化剂的作用下,可氧化成三价铁,形成高铁血红蛋白(methemoglobin,HbFe3+OH),也称变性血红蛋白或羟化血红蛋白.
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pesky:烦恼的, 麻烦的, 讨厌的 极端
one price house 不二价商店 | pesky 烦恼的, 麻烦的, 讨厌的 极端 | ferriferous 含铁的, 含有三价铁的
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ferric:三价铁的
ferrous 二价铁的 | ferric 三价铁的 | mechanism 机理
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ferriferous:含铁的, 含有三价铁的
pesky 烦恼的, 麻烦的, 讨厌的 极端 | ferriferous 含铁的, 含有三价铁的 | formulise <主英> formulize
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Thiobacillus ferrooxidans:铁氧化硫杆菌
在低pH值(酸性)环境下,硫化物氧化细菌"铁氧化硫杆菌"(Thiobacillus ferrooxidans)会加速这一过程. 然后,三价铁离子在水中发生水解,形成氢氧化铁(三价),向水中释放更多的氢离子,进一步降低pH值,除非岩石中含有足够的酸中和矿物来吸收所产生的酸.
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formulise:<主英>
ferriferous 含铁的, 含有三价铁的 | formulise <主英> formulize | prolepses 预料, 预辩法