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Adsorptive remediation of wastewater pollutants using different nanomaterials 不同纳米材料对废水污染物的吸附修复
Pub Date : 2022-11-14 DOI: 10.32350/sir.64.06
Mubeen Ashraf, Amina Khan, Mubashar Alam, Tahreem Saleem, Jamshaid Ashraf
Water is an essential element for human resources. The contamination of water with toxic pollutants is the biggest global challenge. Water is contaminated with various toxic inorganic (heavy metals) and organic (dyes) pollutants. Water pollution is primarily created by human-made activities, including household, agricultural and industrial waste. Nanotechnology is promising to ensure safe and healthy drinking water. The review provides a brief overview of recent nanomaterials developments, such as their usage as nano adsorbents, for water treatment processes. Nanomaterials have high adsorption capacity due to their higher surface-to-volume ratio. The main focus of this review article is on the adsorptive remediation of water pollutants. Nanomaterials for adsorptive remediation of pollutants (heavy metals and dyes) are categorized as organic (carbon and graphene-based) and inorganic (metals and metals oxides-based) nanomaterials. They can be modified with different functional groups to increase their adsorption capacity. The adsorption capacity of nanomaterials to adsorb the pollutants depends on pH, adsorbent dosage, contact time, and initial pollutants concentration. The nanomaterials provide a powerful alternative to conventional treatment approaches due to improved adsorption capacity. However, nanotechnology needs to overcome the environmental concerns and cost-effectiveness of nanomaterials. The regeneration and reuse of nanomaterials can enable it.
水是人力资源的基本要素。有毒污染物对水的污染是全球面临的最大挑战。水被各种有毒的无机(重金属)和有机(染料)污染物污染。水污染主要是由人为活动造成的,包括家庭、农业和工业废物。纳米技术有望确保安全和健康的饮用水。这篇综述简要概述了纳米材料的最新发展,例如它们作为纳米吸附剂在水处理过程中的应用。纳米材料由于具有较高的表面体积比而具有较高的吸附能力。本文主要对水污染物的吸附修复进行了综述。用于吸附修复污染物(重金属和染料)的纳米材料分为有机(碳和石墨烯基)和无机(金属和金属氧化物基)纳米材料。它们可以被不同的官能团修饰以增加其吸附能力。纳米材料对污染物的吸附能力取决于pH值、吸附剂用量、接触时间和初始污染物浓度。纳米材料提供了一个强大的替代传统的处理方法,由于提高吸附能力。然而,纳米技术需要克服环境问题和纳米材料的成本效益。纳米材料的再生和再利用可以实现这一目标。
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引用次数: 0
Extension of Some Common Fixed-Point Theorems in Neutrosophic Metric Spaces Via Control Function 中性度量空间中常用不动点定理的控制函数推广
Pub Date : 2022-09-15 DOI: 10.32350/sir.63.02
Usman Ali, Umar Ishtiaq, Zill E Shams, Khaleel Ahmad, Mohammad Irfan Haider, Muhammad Zeeshan Shafi
The aim of this paper is to prove some important fixed-point theorems in the context of the neutrosophic metric space, which is a generalization of the fuzzy Banach fixed-point theorem, by utilizing the control function. Also, certain fixed-point theorems in the G-complete neutrosophic metric space are proved and discussed by utilizing the alternating distance function (ADF) and defined neutrosophic -weak contraction. The current study supports the results with some non-trivial examples. Furthermore, it also supports the main result with an application of the Fredholm integral equation.
本文的目的是利用控制函数在中性度量空间中证明一些重要的不动点定理,中性度量空间是模糊Banach不动点定理的推广。利用交变距离函数(ADF)和定义的中性-弱收缩,证明并讨论了g -完全中性度量空间中的若干不动点定理。目前的研究用一些不平凡的例子来支持这些结果。此外,通过Fredholm积分方程的应用也支持了主要结果。
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引用次数: 0
Existence and Convergence of Fixed points of Generalized alpha non-expensive mappings in metric spaces 度量空间中广义非昂贵映射不动点的存在性与收敛性
Pub Date : 2022-09-15 DOI: 10.32350/sir.63.01
Ali Asghar, M. R. Chowdhury, N. Muhammad, Muhammad Suhail Aslam
We give certain conditions about different kinds of mappings. These conditions willbe median of non-expansive mappings and quasi-non-expansive mappings. We will establish somefixed point results of some generalized non-expansive mappings in metric spaces. Moreover, wewill also establish few existence and convergence results about generalization of non-expansivemappings. Finally, we present some useful lemmas and propositions.
给出了不同类型映射的若干条件。这些条件就是非膨胀映射和拟非膨胀映射的中值。我们将建立度量空间中一些广义非扩张映射的不动点结果。此外,我们还将建立一些关于非可扩型泛化的存在性和收敛性结果。最后,我们给出了一些有用的引理和命题。
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引用次数: 0
Evaluation of Thrombolytic Potential of Elaeagnus rhamnoides (L.) A. Nelson 沙棘的溶栓潜力评价答:纳尔逊
Pub Date : 2022-09-15 DOI: 10.32350/sir.63.06
A. Rehman, S. Hussain, M. Ahmad, Muhammad Riaz, Muhammad Amin Abid, Tanzeela Gulab Shazady
Plants find a special significance in the field of medicine due to their therapeutic value. Thrombolytic agents play a crucial role in the treatment of numerous human diseases including atherothrombotic diseases, pulmonary embolism, and myocardial infarction. The current study  was performed to evaluate the thrombolytic potential of Elaeagnus rhamnoides (L.) A. Nelson (Sea buckthorn or SBT). The extract of leaves, stems, and berries of the investigated plant displayed 28%, 26%, and 44% blood clot lysis, respectively as compared to that of a standard thrombolytic agent namely streptokinase (59% lysis). The fruit extract of sea buckthorn was found to display higher thrombolytic potential as compared to that of its leaves and stem. It was concluded that the extract of leaves, stem, and berries  of SBT may find applications  in the future as a thrombolytic agent. The presence of important functional groups  for instance, alcohol, aldehyde, alkyne, alkene, amines, and ester in different ariel parts of  SBTwere verified by FTIR spectroscopy.
植物因其治疗价值而在医学领域具有特殊的意义。溶栓剂在许多人类疾病的治疗中起着至关重要的作用,包括动脉粥样硬化性血栓性疾病、肺栓塞和心肌梗死。本研究旨在评价沙棘(Elaeagnus rhamnoides, L.)的溶栓潜力。纳尔逊(沙棘或SBT)。与标准溶栓剂即链激酶(59%)相比,所研究植物的叶、茎和浆果提取物分别显示28%、26%和44%的血凝块溶解。与沙棘叶和茎相比,沙棘果实提取物具有更高的溶栓潜能。综上所述,南芥的叶、茎、果提取物在今后作为溶栓剂具有广阔的应用前景。用红外光谱法验证了sbt不同部位存在醇、醛、炔、烯、胺、酯等重要官能团。
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引用次数: 0
Phytoremediation of Lead Contaminated Soil Using Sorghum Plant in Association with Indigenous Microbes 高粱植物与本地微生物联合修复铅污染土壤
Pub Date : 2022-09-15 DOI: 10.32350/sir.63.05
Iqra Tabassum, Sumaira Mazhar, Beenish Sarfraz
Heavy metals are discharged in large quantities in both land and water bodies, causing long-term damage to living organisms. Phytoremediation is an effective way to address this problem. The goal of this study was to identify how lead resistant microorganisms affect the growth of sorghum plant, both in the presence and absence of lead. For this purpose, lead resistant microbes were isolated to investigate the growth and concentration of lead in the sorghum plant. Isolated species were inoculated with lead containing media in different concentrations, such as 300, 400, 500, and 600 µg/ml concentrations. Highly lead resistant bacterial isolates were selected and inoculated with sorghum seeds under typical environmental conditions in small pots, with and without lead contamination (300 mg/Kg). In the presence of lead resistant bacteria, efficient growth was observed with less concentration of lead in the plants. Promising results were observed in the presence of GS3 and IS2 isolates. The current study showed that lead tolerant bacterial isolates are very helpful to degrade lead when grown with sorghum seeds. Furthermore, it also enhances the growth of sorghum plant.
重金属在陆地和水体中大量排放,对生物造成长期损害。植物修复是解决这一问题的有效途径。本研究的目的是确定抗铅微生物在铅存在和不存在的情况下如何影响高粱植物的生长。为此,分离了耐铅微生物,研究了高粱植株中铅的生长和浓度。分别用300、400、500、600µg/ml不同浓度的含铅培养基接种分离种。选择高抗铅菌株,在典型环境条件下,用高粱种子在小盆中接种,铅污染和不污染(300 mg/Kg)。在抗铅菌存在的情况下,植株在铅浓度较低的情况下也能有效生长。在GS3和IS2分离株中观察到有希望的结果。目前的研究表明,耐铅细菌分离株在高粱种子中对铅的降解非常有帮助。此外,它还促进了高粱植株的生长。
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引用次数: 0
Evaluation of Various Carbonated Soft Drinks to Assess their Effects on Human Health 评价各种碳酸软饮料对人体健康的影响
Pub Date : 2022-09-15 DOI: 10.32350/sir.63.03
Aamir Ali, Muhammad Ayaz Afridi, Muhammad Mansoor, Waqas Chohan, Aasir Ali, Hafiz Muhammad Zaheer Afzal
Sugar, citric acid, phosphoric acid, and caffeine are extensively present in soft drinks. The high concentrations of these elements have harmful effects on human health. A series of nine carbonated drinks namely Pepsi, Mountain Dew, 7-up, Mirinda, Coca cola, Sprite, Fanta, Amrat cola, and Amrat lemon were collected from the open market of Peshawar, Pakistan. Various physicochemical parameters were measured to evaluate the quality of the collected drinks. Brix (Total dissolved solids) were found to be 11.40, 11.90, 10.70, 12.90, 10.37, 10.0, 13.00, 10.6, and 10.20% in Pepsi, Mountain Dew, 7-up, Mirinda, Coca-cola, Sprite, Fanta, Amrat cola, and Amrat lemon, respectively. CO2 gas volume (G. V) was found to be 3.60, 3.20, 3.70, 1.80, 3.80, 3.80, 1.80, 3.80, and 3.70 G.V in Pepsi, Mountain Dew, 7-up, Mirinda, Coca-cola Sprite Fanta, Amrat cola, and Amrat lemon, respectively. Caffeine was found only in Pepsi, Coca cola, Amrat cola, and Mountain Dew, having a concentration of 103, 105, 109, and 146 mg/L, respectively. Pepsi, Coca cola, and Amrat cola were free of citric acid. The citric acid amounts were 1337.6, 1459.2, 1816.32, 1196.8, 1664, and 1216 mg/L in Mountain Dew, 7-up, Mirinda, Sprite, Fanta, and Amrat lemon, respectively. Phosphoric acid was found only in Pepsi, Coca cola, and Amrat cola, in the amounts of 583.1, 490, and 588 mg/L, respectively. It is concluded that the frequent use of carbonated soft drinks (CSD) could cause serious health damage.
糖、柠檬酸、磷酸和咖啡因广泛存在于软饮料中。这些元素的高浓度对人体健康有有害影响。从巴基斯坦白沙瓦的露天市场收集了百事可乐、激浪、七喜、美琳达、可口可乐、雪碧、芬达、阿姆拉特可乐、阿姆拉特柠檬等九种碳酸饮料。通过测定各种理化参数来评价收集的饮料的质量。百事可乐、激浪、七喜、美琳达、可口可乐、雪碧、芬达、阿姆拉特可乐和阿姆拉特柠檬中的Brix(总溶解固体)含量分别为11.40、11.90、10.70、12.90、10.37、10.0、13.00、10.6和10.20%。百事可乐、浪露、七喜、美琳达、可口可乐雪碧芬达、阿姆拉特可乐和阿姆拉特柠檬的二氧化碳气体体积(G.V)分别为3.60、3.20、3.70、1.80、3.80、3.80、3.70 G.V。咖啡因仅在百事可乐、可口可乐、阿姆拉特可乐和激浪中被发现,其浓度分别为103、105、109和146毫克/升。百事可乐、可口可乐和阿姆拉可乐都不含柠檬酸。激浪、七喜、美琳达、雪碧、芬达和阿姆拉特柠檬中的柠檬酸含量分别为1337.6、1459.2、1816.32、1196.8、1664和1216 mg/L。磷酸仅在百事可乐、可口可乐和Amrat可乐中被发现,含量分别为583.1毫克/升、490毫克/升和588毫克/升。结论是,经常饮用碳酸软饮料会对健康造成严重损害。
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引用次数: 0
Recent Developments regarding Lacunary ∆-Statistical Convergence in Neutrosophic n-Normed Linear Spaces 中性n赋范线性空间中空洞∆-统计收敛的最新进展
Pub Date : 2022-09-15 DOI: 10.32350/sir.63.04
J. Maduraiveeran, S. Satheesh Kanna, B. Silamparasan, J. Johnsy
The current paper's goal is to introduce lacunary ∆-statistically convergent andlacunary ∆-statistically Cauchy sequences in neutrosophic n-normed linear spaces, examinethem and come to some significant conclusions about them. Also, we prove several usefulresults for these notions. We demonstrate how sequences in this space have some characteristicswith lacunary ∆-statistical convergence of real sequences. In contrast to other related works, we define the concept of convergence of a sequence in neutrosophic n-normed linear spaces in this study. We have also established the results using a new methodology. Additionally, we provide some novel descriptions for lacunarysequences that are ∆-statistically convergent and Cauchy. We demonstrate some inclusionresults between the set of ∆-statistically convergent and lacunary ∆-statistically convergentsequences in neutrosophic n-normed linear spaces by generalizing the concepts for complex number sequences.
本文的目的是在中性n赋范线性空间中引入空白∆-统计收敛序列和空白∆-统计柯西序列,并对它们进行检验,得出一些有意义的结论。此外,我们还证明了这些概念的几个有用的结果。我们证明了这个空间中的序列如何具有实序列的虚∆统计收敛性。与其他相关研究不同,本文定义了中性n赋范线性空间中序列收敛的概念。我们还使用一种新的方法确定了结果。此外,我们还提供了一些新颖的、柯西的、∆-统计收敛的空白序列的描述。通过推广复数序列的概念,证明了中性n赋范线性空间中∆-统计收敛序列集与空白∆-统计收敛序列集之间的一些包含结果。
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引用次数: 1
Numerical Analysis of Varicella Zoster Virus with Vaccination 接种水痘带状疱疹病毒的数值分析
Pub Date : 2022-06-25 DOI: 10.32350/sir.62.06
M. Rafiq, Zafar Ullah Khan, Fazal dayan
Chickenpox is caused by varicella-zoster-virus (VZV). VZZ is DNA virus of the group of herpes that is transferred by direct contact with infected individuals. A VZV model is studied in this article. An NSFD scheme is used to obtain the numerical solution of the studied model. The stability and consistency of the developed scheme are discussed. The simulation results are presented. The developed scheme gives reliable estimations in order to describe the studied SVEIR model of VZV.
水痘由水痘带状疱疹病毒(VZV)引起。VZZ是一种DNA疱疹病毒,通过与感染者直接接触而传播。本文研究了一种VZV模型。采用NSFD格式对模型进行了数值求解。讨论了所开发方案的稳定性和一致性。给出了仿真结果。该方案给出了可靠的估计,以描述所研究的VZV的SVEIR模型。
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引用次数: 0
CD4 Count and Viral Load and their effect on antiretroviral therapy in different genders of HIV patients, in Punjab Pakistan 巴基斯坦旁遮普不同性别HIV患者CD4计数和病毒载量及其对抗逆转录病毒治疗的影响
Pub Date : 2022-06-25 DOI: 10.32350/sir.62.05
Huma Shafique, Samavia Siddique, H. Javed
The global epidemic of HIV is caused by HIV type 1, which is dominant in Pakistan. In HIV type 1, increased morbidity and mortality is because of the progressive damage of CD4 T cell.  Approximately 2 million people are infected with HIV type 1 infection through sexual route. The life expectancy of people living with HIV is increased by using combined antiretroviral therapy (CRT). Now a days less people living with HIV die due to AIDS associated cancer and opportunistic infections. The use of a combination of three or more ART drugs (Antiretroviral drugs) to treat HIV infection is referred as antiretroviral treatment or therapy. In our study we check the CD4 count of HIV patients who are taking antiretroviral treatment to evaluate their immune status. CD4 count is very crucial marker of prognosis of disease in HIV/AIDS patients because CD4 cells are paradoxically non-tolerant to HIV, but resting CD4 cells predominantly support viral persistence under antiretroviral therapy.
艾滋病毒的全球流行是由1型艾滋病毒引起的,在巴基斯坦占主导地位。在1型艾滋病毒中,发病率和死亡率的增加是由于CD4 T细胞的进行性损伤。大约有200万人通过性途径感染1型艾滋病毒。通过使用联合抗逆转录病毒疗法(CRT),艾滋病毒感染者的预期寿命得以延长。现在,死于艾滋病相关癌症和机会性感染的艾滋病毒感染者减少了一天。联合使用三种或三种以上的抗逆转录病毒药物(抗逆转录病毒药物)来治疗艾滋病毒感染被称为抗逆转录病毒治疗或疗法。在我们的研究中,我们检查了正在接受抗逆转录病毒治疗的艾滋病毒患者的CD4计数,以评估他们的免疫状态。CD4细胞计数是HIV/AIDS患者疾病预后的重要标志,因为CD4细胞对HIV病毒不耐受,但在抗逆转录病毒治疗下,静息CD4细胞主要支持病毒持续存在。
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引用次数: 0
Cubic Intuitionistic Fuzzy Soft Set and it's Distance Measures 三次直觉模糊软集及其距离测度
Pub Date : 2022-06-20 DOI: 10.32350/sir.62.04
M. Saqlain
To deal with vagueness, falsity, attributive values and inconsistency, we introduce the cubic intuitionistic fuzzy soft set (CIFS-set) which is the extension of the cubic intuitionistic fuzzy set and propose distance measure, Hamming distance, Euclidean distance and separation measures of CIFS-set. Moreover, we present aggregate operator (P-union, R-intersection) of CIFS-sets. The proposed CIFS-set is more reliable, efficient and accurate. In future MCDM and MCGDM techniques can be propoed to deal with real life issues, and also this CIFS-set can be extended for its hybrids.
为了解决模糊、虚假、属性值和不一致等问题,引入了三次直觉模糊软集(CIFS-set),它是三次直觉模糊集的扩展,提出了距离测度、汉明距离、欧几里得距离和分离测度。此外,我们还给出了cifs集合的聚算子(p -并,r -交)。所提出的cifs集更加可靠、高效、准确。在未来,可以提出MCDM和MCGDM技术来处理现实生活中的问题,并且可以将该cifs集扩展为其混合。
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引用次数: 2
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