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智能城市应用, 2023 随着科技的不断进步，工业自动化领域取得了巨大的发展。在废水处理中，PLC（可编程逻辑控制器）技术已经被广泛应用，它具有稳定性高、可编程性强、可靠性好等特点，是控制系统的理想选择。针对污泥脱水机的特殊需求，研究一种基于PLC的污泥脱水机控制系统具有重要的现实意义。文章旨在构建一套基于PLC的污泥脱水机控制系统，通过对脱水机的关键部件进行精细控制，提高脱水效率的同时，降低能耗，减少环境污染。
毅超 刘
semanticscholar +1 more source
工程建设, 2021 随着石灰石-石膏湿法脱硫在我国电力系统的广泛应用，石膏脱水机作为主要系统设备也被大量应用，在传统的皮带脱水机的基础上发展出了滑台式脱水机。由于滑台式脱水机业绩较少，并未广泛推广，制造厂家对其实际运行过程中的实际情况没有使用客户掌握的详细，现对我公司使用的两种脱水机进行了详细的对比分析，作为后续是否推广的基础资料。
帆 张, 念 黄
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Treatment of residual acid and its influence on the crude oil dehydration(残酸对原油脱水的影响及处理)
Zhejiang Daxue xuebao. Lixue ban, 2005 酸对原油的破乳具有较大的影响，盐酸的存在使原油脱水发生困难，特别是在稠油中，脱水效率降低；土酸对原油脱水影响比盐酸更大，脱出水颜色发黑，发黄，有大量底渣存在；残酸对原油的脱水影响最大，脱水速度减慢，水色不清，过渡带加长.针对酸化后原油pH值较低的特点，选择碳酸钠作碱化剂，复配低温2 #破乳剂，进行了室内实验和现场试验，结果表明：原油脱水效果明显，脱出水颜色清，油水过渡带清晰，保证返排液的pH值保持在6~8的范围内，使原油含水质量分数低于2%.
FANZhen-zhong(范振中) +1 more
doaj +1 more source
Lughawiyah: Journal of Arabic Education and Linguistics, 2022 The purpose of this study is to determine the motivation of non-madrasa graduate students to learn Arabic at Department of Arabic Language Education of IAIN Kendari. The type of this research was descriptive qualitative in which data were collected by observation, interview, and documentation.
Rachmad Ramadhan, Kamilatul Ubudiyah
openaire +1 more source
Shuitu Baochi Xuebao, 2022 为探明添加脱硫石膏对盐碱土水分运动参数的影响,以改善和提高银川北部地区土壤结构和土地生产力,进行了室内一维水平土柱吸渗试验。选取6种脱硫石膏添加比例0,1.5%,3%,4.5%,6%和7.5%,探究不同脱硫石膏添加比例下盐碱土水平吸渗特征及水分运动参数的变化。结果表明:脱硫石膏添加减缓了土壤水分入渗过程,随着脱硫石膏添加比例增加,各处理累积入渗量与湿润锋运移距离均逐渐减小。幂函数与Philip模型能较好地拟合不同脱硫石膏添加比例下盐碱土水分吸渗特征,吸渗率随脱硫石膏配比增加逐渐减小 ...
高小龙 +3 more
doaj +2 more sources
Zhongguo youzhi, 2023 为进一步验证SiO2脱胶工艺的可行性，以浓香菜籽原油为研究对象，以磷脂脱除率为评价指标，采用单因素实验和响应面实验对SiO2脱胶工艺进行优化，并对比分析了SiO2脱胶工艺与传统水化脱胶工艺得到的脱胶浓香菜籽油品质。结果表明：在SiO2添加量2.25%、脱胶温度35 ℃、脱胶时间22 min、搅拌速度107 r/min条件下，脱胶效果最优，此时脱胶油中磷脂含量为1 719.61 mg/kg，磷脂脱除率达到86.1%；SiO2脱胶油与水化脱胶油的酸值、过氧化值、水分及挥发物含量均无显著差异（p＞0.05 ...
曾诗琴1， 梁强2,3， 李云成1， 赵玲2， 徐霞2， 熊伟2,3， 宣朴2,3， 姚英政1,2,3 ZENG Shiqin1, LIANG Qiang2,3, LI Yuncheng1, ZHAO Ling2, XU Xia2, XIONG Wei2,3, XUAN Pu2,3, YAO Yingzheng1,2,3
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Journal of Diabetes, 2014 Serum levels of 1,5-anhydroglucitol (1,5-AG) can be used as a measure of glycemic control in patients with diabetes. 1,5-anhydroglucitol is a non-metabolizable glucose analog that competes with glucose for renal reabsorption.
D. Balis, C. Tong, G. Meininger
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Gongye shui chuli, 2023 在分析脱硫废水水质特点，以及调研排污许可证中脱硫废水去向和污染物排放执行标准的基础上，论述了脱硫废水达标处理、厂内回用和零排放的技术路线。排污许可证基本不允许脱硫废水外排，并对脱硫废水车间排放口水质进行了严格限定。约80.0%电厂的污染物因子和限值按《火电厂石灰石-石膏湿法脱硫废水水质控制指标》（DL/T 997—2006）执行，部分电厂增加了氨氮污染物因子控制指标、下调了氟化物和COD限值。脱硫废水达标处理，一类污染物重金属主要采用化学沉淀法去除，二类污染物氟化物采用复合盐沉淀技术去除 ...
胡大龙 +5 more
doaj
Scientists’ warning on the global destruction of rock outcrop ecosystems
Conservation Biology, EarlyView.Abstract Rock outcrops are geological formations that harbor a highly specialized biota adapted to harsh environmental conditions that differ from their surrounding landscapes. They are globally distributed, especially in old, highly weathered landscapes, and can function as habitat islands containing high levels of endemism and distinct evolutionary ...
Luiza F. A. de Paula +19 more
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Semiconductor photocatalysis represents a pivotal frontier in the quest for sustainable energy and environmental remediation. Among the diverse catalytic materials, Bismuth Oxychloride (BiOCl) has emerged as a particularly promising candidate due to its unique layered structure, featuring [Bi2O2]2+ layers intertwined with halogen ions, which ...
Liu Han +5 more
wiley +1 more source