Saif Ullah
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Articles by Saif Ullah
Finite-element analysis of recycled-fiber reinforced concrete segmental linings for shield tunnels across construction and service stages
Abstract Precast segmental linings for shield tunnels experience substantially different loading conditions during storage, tunnel boring machine (TBM) advancement, synchronized grouting, and long-term service. This study presents a comparative finite-element assessment of conventional reinforced-concrete segments (CRCS) and recycled-fiber reinforced-concrete segments (RFRCS) incorporating 0.3% by volume of recycled tire-derived steel fibers together with conventional reinforcing bars.
Investigating the deterministic and stochastic dynamics of Monkeypox: a hybrid numerical approach using spectral method and feedforward neural networks
Abstract Monkeypox (Mpox) has recently emerged as a serious threat to human health. Multiple outbreaks of human Mpox have been reported in Africa and North America over the past few years. This study presents a comprehensive computational analysis of Mpox dynamics using a two-model approach. Firstly, a deterministic model is formulated to study the transmission dynamics of Mpox. A basic analysis of the model is conducted, and the corresponding threshold parameter is evaluated.
Cyber Dimension of India-Pakistan Rivalry
Cybersecurity refers to the protection of digital information and data from exploitation through any means. In the 21st century, rapid technological advancement has led to the digitization of vast amounts of information. However, this transformation raises critical questions: Is digital data secure enough to trust? Is our privacy truly protected in the digital world? Ensuring the security of digital information has become one of the greatest challenges of the modern era.
A novel computational study of multidrug-resistant tuberculosis dynamics using the Caputo fractional and fractal-fractional derivatives with first and second-line treatments
ABSTRACT Multidrug-resistant tuberculosis (MDR-TB) is a serious health concern and a global challenge due to its prolonged treatment duration and complex response to therapies. This study presents a novel computational modeling framework using fractional calculus and fractal theory to address the complex dynamics of MDR-TB by incorporating first and second-line treatment strategies.
Physics guided fused image learning with enhanced squeeze excitation for failure analysis of multistage centrifugal pumps
Abstract Multistage centrifugal pumps (MCPs) are critical components in industrial systems, where early and reliable fault diagnosis remains challenging due to nonstationary operating conditions, noise contamination, and limited fault sensitive information in single domain representations. To address these issues, this paper proposes a physics guided fused (PGF) image learning framework with enhanced squeeze excitation (ESE) attention, for intelligent MCP fault diagnosis.
Graphene-inspired porous polymer network for ethane/ethylene separation and methane purification
Abstract C2H4 and CH4 are essential for industrial applications. However, contamination with other natural gases is a challenge to their utilization. Although several sorbents have been investigated, their performance remains limited. This study introduces graphene-inspired, PPN-20, a porous polymer network (PPN) capable of separating C2H6/C2H4 and purifying CH4 from a C3H8/C2H6/CH4 mixture in a single step.
Multipolar Donor-Acceptor Conjugated Hypercrosslinked Polymers for Enhanced Visible-Light Photoreduction of CO 2 to CO
Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available in the supplementary material of this article. Supporting Information Filename Description cssc70585-sup-0001-SuppData-S1.pdf3.3 MB Supplementary Material References 1, , , , and , “Visible-Light-Driven CO2 Photoreduction over Atomically Strained Indium Sites in Ambient Air,” Nature Communications 16 (2025): 2094.
Everything You Should Know About Tempered Glass in Chicago
Tempered glass has become an essential material for modern construction, interior design, and safety applications. Whether you walk past a sleek storefront, enter a high-rise office building, or renovate your home, there’s a good chance you’ll encounter tempered glass. Known for its strength, safety features, and elegant look, this specialized glass plays a vital role in both residential and commercial spaces.
The Step-by-Step Formula Influencers Use to Make Brands Go Viral
Influencers have emerged as one of the best drivers of brand development in the current digital economy. They have become an invaluable asset to the companies that want to see their product or service gain more attention and achieve market penetration because they can make a short post go viral in a matter of hours. Although becoming viral is highly unexpected to the outside observer, many influencers have a systematic methodology to generate highly influential campaigns.
Do Hard Things if You Want an Easy Life
We often wish for an easy life — less stress, fewer problems, more comfort. But here’s the truth: an easy life doesn’t come from avoiding difficulty. It comes from facing it head-on. When you do the hard things now — building discipline, learning new skills, saving money, taking care of your health, having honest conversations — you’re investing in a future where life flows more smoothly. On the other hand, avoiding challenges only piles them up for later.
The Art of Not Making a Decision
In a world that celebrates speed, productivity, and instant answers, pausing can feel like failure. We’re told to “trust our gut,” “move fast,” and “just decide.” But sometimes, the wisest choice we can make is not to choose at all. There is a quiet power in restraint. Inaction, when intentional, is not indecision — it’s deliberate awareness. It’s the understanding that not all decisions need to be made now, and some should not be made at all. Delaying a decision isn't the same as avoiding it.
5 Habits That Changed My Life
Starting my day at 5:30 AM gave me clarity, calm, and control before the world gets noisy. Even 10 minutes of journaling helped me process emotions and set clear goals. One book a month shifted my mindset more than a decade of passive scrolling ever could. Walking without my phone became a moving meditation it cleared my mind and sparked creativity. 5. Saying ‘No’ More Often Learning to protect my time and energy gave me the space to grow.
Structural and Electrochemical Enhancement of FCC Slurry Oil-Derived Pitch via Asphaltene-Driven Graphitic Ordering
1. Introduction Click to copy section linkSection link copied! Fluid catalytic cracking (FCC) slurry oil is a significant byproduct of the petroleum refining process with high aromatic content and potential applications in the fields of heavy fuel oils, high-value carbon materials, and modified asphalts.
Effect of Entropic Constraints on the Thermodynamics of Molecular Adsorption in Nano‐Porous Materials
1 Introduction Gas separation within the context of fuel refinement is an immensely important industrial process, where branched alkanes are needed to increase the research octane number (RON) of a mixture.[1] Unfortunately, separating certain isomers is a challenging task due to their similar sizes and properties, and currently used methods such as distillation and cryogenics are very energy-intensive.[2, 3] A promising alternative is to use porous materials such as metal–organic frameworks...
Addressing Climate Change and Advancing Green Development: Regional Transition Mechanisms for a Sustainable Future in Belt and Road Initiative Nations
1 Introduction The escalating population growth exerts immense strain on sustainable natural resources, land, and economic endeavors. As a result, countries face social and environmental challenges, endangering their prospects for sustainable growth and survival. Despite the active involvement of individuals and organizations in addressing these issues and removing obstacles to future development, their efforts still need to be made to create significant change.
Multi-Temporal and Multi-Resolution RGB UAV Surveys for Cost-Efficient Tree Species Mapping in an Afforestation Project
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
The Decline of True Learning in Universities
Member-only story Saif Ullah · Follow 2 min read · -- Universities are meant to be institutions of knowledge, critical thinking, and innovation. It seems that for many students, education has become less about gaining knowledge and more about simply passing exams. A large portion of students focus only on the most “important” topics — those that are likely to appear in the exams — rather than understanding the subject deeply.
Phosphatidylserine-binding receptor, CD300f, on macrophages mediates host invasion of pathogenic and non-pathogenic rickettsiae.
Abstract Some arthropod-borne obligate intracellular rickettsiae are among the most virulent human pathogens. Rickettsia species modulate immune (e.g., macrophages; MΦ) and non-immune cell (e.g., endothelial cells) responses to create a habitable environment for host colonization. In particular, MΦ play a crucial role in either terminating an infection at an early stage or succumbing to bacterial replication and colonization.
Discus What Matter to Them
(Six Ways to Make Lasting Impression) Saif ullah · Follow 6 min read · -- Edit by Adobe Illustrator Seeing that the fellow sitting next to him at a dinner party was a young man, Shaw soon discovered, in his efforts at conversation, he is a positive bore. Finally Shaw could not bear to remain silent any longer and interrupted, saying that between them they possessed every scrap of knowledge in the whole universe. “How is that?” asked the young man.
Hybrid Deep Learning Model for Fault Diagnosis in Centrifugal Pumps: A Comparative Study of VGG16, ResNet50, and Wavelet Coherence Analysis
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Reign with Names
(Six Ways to Make Lasting Impression) Saif ullah · Follow Published in Readers Club · 4 min read · -- Adobe photo shop design ( by writer ) On March 10, 2010, a press release buzzed through the wires at Quinn Emanuel Urquhart & Hedges, one of America’s top 100 law firms. John Quinn and Eric Emanuel, who founded the firm 25 years earlier, were announcing a new partner — Kathleen M. Sullivan.
Take Interest In Others’ Interest
Saif ullah · Follow 5 min read · -- (Six Ways to Make Lasting Impression) Adobe Photo Shop Design By Writer When it comes to learning the quickest way to win friends, should we look to the person with the most followers on Twitter, the blogger with the most Diggs, the smartest salesperson, or the most powerful politician? While each of these people can boast abundant followership, and while each might offer valuable advice, they might not be the best role models for us.
How I Earned from Medium in Novmber 2024
Saif ullah · Follow 3 min read · -- As a writter on Medium, tracking progres and celebratin milestones is crucial to staying motivated and improving over time. November 2024 was an exiting month for me – I hit the $200 earings mark! Here’s a detaild breakdown of my journy, stats, and key takeaways. In November 2024, I earnd a total of $200 from Medium’s Partner Program.
Bury Your Bomerangs
Saif ullah · Follow 3 min read · -- Ask both Adolf Hitler and Martin Luther King Jr. for a basic definition of influence, and you might get similar answers. But examine how each applied influence in their lives, and their interpretations couldn’t be more different.
How to Earn From Content Writing : A Complete Guide
Saif ullah · Follow 3 min read · -- Content writing has became one of the most sought-after skills in todays digital-driven world. Weather your a student, a freelancer, or someone looking to start a side hustle, content writing offers flexiable and rewarding career option. If your a beginner wondering how to turn ur writing skillz into steady income, this guide is for you.
Cobalt-tetraphenylporphyrin-based hypercrosslinked polymer for efficient CO2 photoreduction to CO
Cobalt-tetraphenylporphyrin-based hypercrosslinked polymer for efficient CO2 photoreduction to CO One of the main impediments during the CO2 photocatalytic reduction process is controlling a particular product’s selectivity while keeping a high conversion rate. The adsorption and affinity of the catalyst for CO2 are key factors for achieving high-efficient CO2 reduction.
Advanced Bearing-Fault Diagnosis and Classification Using Mel-Scalograms and FOX-Optimized ANN
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Spatio-Temporal Feature Extraction for Pipeline Leak Detection in Smart Cities Using Acoustic Emission Signals: A One-Dimensional Hybrid Convolutional Neural Network-Long Short-Term Memory Approach
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Enhancing Carbon Dioxide Capture under Humid Conditions by Optimizing Pore Surface Structure Metal-organic frameworks (MOFs) exhibit significant potential for mitigating carbon emissions due to their high porosity and tunability. Despite numerous reports on CO2 capture by MOF sorbents, a common challenge is their poor selectivity for CO2 over water.
The Best Games I’ve Ever Played: My Journey Through Horror, Puzzle, and Survival
Saif Ullah · Follow 4 min read · -- Gaming has always been more than eye candy or mechanics for me. It’s the experiences and the stories behind, as well as those unforgettable moments that were left behind in every game. Well, I would say there are some that really stand out to me for their own merits. Here’s my best games ever list: the ones that really resonated with me and, above all, don’t require a high-end PC to run on.
Application of different phosphatic fertilizers influences the different phosphorus fractions and morphophysiological traits of wheat in saline sodic soil
Nutrient constraints in salt-affected soils are one of the limiting factors for crop production. We investigated phosphorus (P) availability to wheat crop and its correlations with different fractions of P in salt-affected soils in response to various phosphatic fertilizer’s application.
Body mass index and its impact on outcomes in CABG surgery: the paradox of obesity and underweight risks.
Abstract Objective: To explore the impact of BMI on the short-term mortality and morbidity of patients undergoing CABG. Study Design: Retrospective Cross Sectional study. Setting: Department of Cardiac Surgery Rehman Medical Institute, Peshawar, Pakistan. Period: 1st June 2017 to 31st December 2022. Methods: The data was collected from the data base of the cardiac surgery department. Results: Total of 2599 isolated CABG patients were included with mean age of 57.86±9.2 years.
“Ibrahim Licohon: Redefining Contemporary Art with Purpose
Saif Ullah · Follow 2 min read · -- In the realm of contemporary art, Ibrahim Licohon is rising to prominence known for his one-of-a-kind and thought-provoking creations, modern artist Ibrahim Licohon is creating waves in the art world with his innovative and creative works. The artist was born in [insert birth year and location], and he had an early interest in art. He gradually learned skilled and eventually became a successful artist.
Rickettsia rickettsii encodes a secretory lipase that facilitates intracytosolic colonization in host cells.
Abstract The key cellular processes required for rickettsial obligate intracellular lifestyle, include internalization by phagocytosis, regulation of intracellular trafficking, and evasion of lysosomal destruction to establish an intracytosolic replication niche, remain poorly defined. Recent reports showed that rickettsial phospholipases play an important role in vacuolar escape, but their functions are dispensable depending on the host cell-type.
Pipeline Leak Detection System for a Smart City: Leveraging Acoustic Emission Sensing and Sequential Deep Learning
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Pipeline Leak Detection: A Comprehensive Deep Learning Model Using CWT Image Analysis and an Optimized DBN-GA-LSSVM Framework
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Primary synovial sarcoma in anal canal: Report of a very rare case
1 INTRODUCTION Synovial sarcoma (SS) represents a rare and unique subset of soft tissue malignant neoplasms that occurs in younger patients compared to other sarcomas.
Effects of Canopy Nitrogen Addition and Understory Vegetation Removal on Nitrogen Transformations in a Subtropical Forest
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Pathogenic rickettsiae utilize the phosphatidylserine binding receptor CD300f on macrophages for host invasion and pathogenesis.
Abstract Some arthropod-borne obligate intracellular rickettsiae are among the most virulent human pathogens. Upon entry, Rickettsia species modulate immune (e.g., macrophages; MΦ) and non-immune cell (e.g., endothelial cells) responses to create a habitable environment for host colonization. In particular, MΦ play a crucial role in either terminating an infection at an early stage or succumbing to bacterial replication and colonization.
Massive continuous irrigation (MCI) and endoscopic debridement as an alternative treatment strategy for refractory abscess‐fistula complexes
Objective To evaluate the feasibility, safety, and efficacy of massive continuous irrigation (MCI) and endoscopic debridement for the treatment of refractory abscess–fistula complexes. Methods This was a retrospective single-center observational study involving 12 patients with refractory abscess–fistula complexes. All patients had experienced long-term treatment failure or had failed multiple treatment modalities.
Fault Diagnosis of a Multistage Centrifugal Pump Using Explanatory Ratio Linear Discriminant Analysis
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Complete separation of benzene-cyclohexene-cyclohexane mixtures via temperature-dependent molecular sieving by a flexible chain-like coordination polymer | Nature Communications
Abstract The separation and purification of C6 cyclic hydrocarbons (benzene, cyclohexene, cyclohexane) represent a critically important but energy intensive process. Developing adsorptive separation technique to replace thermally driven distillation processes holds great promise to significantly reduce energy consumption. Here we report a flexible one-dimensional coordination polymer as an efficient adsorbent to discriminate ternary C6 cyclic hydrocarbons via an ideal molecular sieving mechanism.
Pathogenesis and Diagnosis of Bacillus Species
Anthrax is a severe disease that affects virtually all mammalian species, including humans. The disease occurs worldwide and is endemic in some countries and defined regions of other countries. Most Bacillus species are large, Gram-positive, endospore-producing rods up to 10.0 μm in length. A few non-pathogenic species are Gram-negative, and organisms in smears prepared from old cultures decolorize readily. Anthrax is a severe disease that affects virtually all mammalian species, including humans.
Forests | Free Full-Text | Autumnal Potassium Induced Modulations in Plant Osmoprotectant Substances, Nutrient Stoichiometry and Precision Sustainable Seedling Cultivation in Parashorea chinensis
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Impact of Simulated Acid Rain on Soil Base Cations Dissolution between Eucalyptus Pure Plantations and Eucalyptus-Castanopsis fissa Mixed Plantations
4. Discussion 4.1. Influence of Acid Rain on the Soil Acidity of Eucalyptus and Castanopsis fissa Mixed Plantations Soil pH value is an important indicator of soil acidification. Under a pH of 6.0, the soil pH value of pure Eucalyptus plantations was higher than the mixed plantations. This may be due to the accumulation of Eucalyptus root exudates under the plantation leading to an increase in soil acidity.
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