Results 71 to 80 of about 621,452 (179)

聚间苯二胺修饰壳聚糖对Cr(Ⅵ)的吸附性能研究

open access: yesGongye shui chuli, 2021
铬是一种重金属元素,在自然界多以Cr(Ⅲ)或Cr(Ⅵ)的价态存在。而Cr(Ⅵ)的毒性远高于Cr(Ⅲ),对人体健康造成危害。因此,高效去除废水中的Cr(Ⅵ)意义重大。将聚间苯二胺(PmPD)接枝至壳聚糖(CTS)表面,制得聚间苯二胺修饰的壳聚糖吸附剂(CTS-PmPD),研究其最佳合成条件及对水中Cr(Ⅵ)的去除情况。结果表明,CTS-PmPD的最佳合成条件为:m(PmPD)∶m(CTS)=1∶5,反应温度100 ℃。在30 ℃下用0.06 g CTS-PmPD吸附处理pH为3.0、质量浓度为100 mg/
于婉婷, 侯亮
doaj   +2 more sources

Magnetic proximity-enhanced Curie temperature of Cr-doped Bi2Se3 thin films [PDF]

open access: yes, 2015
Beam time awarded on ID32 at the ESRF (Proposal No. HC-1282) and on I10 at the Diamond Light Source (Proposal No. SI-10207) are acknowledged. T.H. acknowledges the John Fell Oxford University Press (OUP) Research Fund. A.A.B.
van der Laan, G   +15 more
core   +1 more source

BCG vaccination potentiates oxidative phosphorylation in neonatal myeloid‐derived suppressor cells

open access: yesFEBS Open Bio, EarlyView.
BCG vaccination enhances oxidative phosphorylation in neonatal MDSCs, impairing their immunosuppressive function. It upregulates electron transport chain genes and mitochondrial activity, increasing ATP and oxygen consumption. Pharmacological OXPHOS inhibition partially restores suppressive capacity, confirming causality.
Yingying Chen, Hui Li
wiley   +1 more source

表面酸碱2步改性对活性炭吸附Cr(Ⅵ)的影响

open access: yes, 2005
研究了酸碱2步改性对活性炭吸附水相中Cr(Ⅵ)的影响.将活性炭(AC0)在HNO3溶液中氧化(AC1),然后在NaOH和NaCl的混合液中处理(AC2).分别采用平衡和连续吸附试验,测试Cr(Ⅵ)的吸附特征.以Boemh滴定法定量检测活性炭表面酸性官能团数量,结合元素分析结果定量表征活性炭的表面含氧官能团变化;以低温液氮(N2/77K)吸附法分析活性炭的比表面积和孔径结构.结果表明:活性炭经2步改性后,其Cr(Ⅵ)的吸附容量和吸附速度均显著改变.吸附容量和吸附速度大小依次为AC2>AC1>AC0 ...
孙承林, 陈孝云, 陈曦, 刘守新
core   +1 more source

Protein expression on Cr resistant microorganism using electrophoresis method [PDF]

open access: yes, 2009
Abstrak. Fatmawati U, Suranto, Sajidan. 2009. Ekspresi protein pada mikroorganisme resisten Cr dengan metode elektroforesis. Nusantara Bioscience 1: 31-37.
SAJIDAN,, FATMAWATI, UMI, SURANTO,
core  

Accumulation of Cr in different vegetables and derivation of soil Cr threshold using the species sensitivity distribution method

open access: yes, 2023
Due to its high mobility and bioavailability, hexavalent chromium [Cr(VI)] in agricultural soil can be taken up by crops and pose threat to human being.
Xuezhen Yu   +4 more
core   +1 more source

Predictive Ability of Plasma p‐tau217 for β‐Amyloid Status: A Prospective Multicenter Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Plasma tau phosphorylated at threonine 217 (p‐tau217) measured with fully automated platforms has shown high accuracy for Alzheimer's disease (AD) diagnosis, but real‐world multicenter data remain limited. We aimed to validate the diagnostic performance of p‐tau217 for identifying AD pathology in a real‐world multicenter cohort ...
Miquel Massons   +33 more
wiley   +1 more source

Pollution characteristics, migration and transformation of hexavalent chromium in groundwater of a chromium slag

open access: yesShuiwen dizhi gongcheng dizhi
The historical stockpile of chromium slag in China is large, and the hexavalent chromium in slag leachate is highly toxic and migratory. In order to investigate the migration and transformation pattern of Cr(Ⅵ) in groundwater under the combined effect of
Yonggao LYU   +5 more
doaj   +1 more source

ws-cr

open access: yes, 2018
DIHARD track1 ws-cr system (no R)
ZCU-NTIS (4926931)   +2 more
core   +1 more source

Comparing the Effect of Semi‐Immersive Virtual Reality, Computerized Cognitive Training, and Traditional Rehabilitation on Cognitive Function in Multiple Sclerosis: A Randomized Clinical Trial

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Cognitive impairment is a common non‐motor symptom in Multiple Sclerosis (MS), negatively affecting autonomy and Quality of Life (QoL). Innovative rehabilitation strategies, such as semi‐immersive virtual reality (VR) and computerized cognitive training (CCT), may offer advantages over traditional cognitive rehabilitation (TCR ...
Maria Grazia Maggio   +8 more
wiley   +1 more source

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