Correction: Khort et al. Automated Mobile Hot Mist Generator: A Quest for Effectiveness in Fruit Horticulture. 2022, , 3164.

In the original publication [...

An acoustic levitation platform for high-content histological analysis of 3D tissue culture.

Miniaturized three-dimensional (3D) cell culture systems, in particular organoids and spheroids, hold great potential for studying morphogenesis, disease modeling, and drug discovery. However, sub-cellular resolution 3D imaging of these biological samples remains a challenge. Histology, the gold standard for microscopic interrogation of tissue anatomy, may address this challenge once the associated techniques are adapted.

Fabrication of Multifarious Nanoparticles Inside a TEM: An In Situ Evaporation and Deposition Method.

Revealing the surface effect of nanoparticles (NPs) is one of the key prerequisites for understanding their extraordinary properties at the nanometer scale. However, active NPs frequently suffer from surface oxidation and contamination, which hinders the realization of their delicate surface-related properties. Upon this issue, this paper develops an in situ evaporation and deposition (in-E&D) method inside a transmission electron microscope (TEM), by which NPs with ultra-clean surfaces can be controllably fabricated and examined.

Defect Analysis and Improvement Method of Eccentric Camshaft Forging by Vertical Upsetting Extrusion Forming.

Eccentric camshaft components serve as critical elements in emergency pump systems for commercial vehicle steering mechanisms. To optimize material utilization efficiency, reduce production costs, and enhance manufacturing throughput, this investigation implemented a vertical upsetting extrusion forming methodology for camshaft forging production. Initial trials revealed defect formation in forged components.

Comparative Analysis of the Dimensional Accuracy and Surface Characteristics of Gears Manufactured Using the 3D Printing (DMLS) Technique from 1.2709 Steel.

This article provides a comparative analysis of the dimensional accuracy and post-surface characteristics of gears produced by the 3D printing technique Direct Metal Laser Sintering (DMLS) from 1.2709 steel immediately after printing and after grinding and grinding treatment. The following tests were performed on the fabricated samples: metallography, hardness measurement, self-stress, surface roughness, and the gears' shape were dimensioned and measured.

Assessing the capability of electrical capacitance tomography for monitoring chopped maize mass flow rates in field forage harvesters.

This study explores the potential and feasibility of Electrical Capacitance Tomography (ECT) for monitoring mass flow rates (MFR) of chopped maize in precision agriculture. The research, conducted using a stationary forage harvester stand, involved the analysis of whole Inagua maize samples weighing 5, 10, and 15 kg. These samples were further divided based on two moisture contents of 57% or 68%, and the geometric mean particle value was 9.

Study of Extracts As Green Corrosion Inhibitor for Mild Steel.

The plant, known as Tara, was used to prepare a green corrosion inhibitor solution using hot solid-liquid (Soxhlet extraction, Tara-SE) and cold solid-liquid extraction (maceration, Tara-ME) techniques. Their anticorrosive protection ability was tested on mild steel in a 0.1 M HNO solution.

Electrostatically Reinforced Double Network Granular Hydrogels.

Rapid advances in biomedical applications and soft robotics demand load-bearing soft materials that can be processed into complex 3D shapes. Direct ink writing (DIW) enables the fabrication of customizable shapes with locally varying compositions. Hydrogels that are formulated as microgels meet the rheological requirements that DIW imparts on the inks if they are jammed.

How Do We Recognize the Effects of Dairy Cattle Activity in the Lying Area? A Case Study in Free-Stall Barns.

Dairy cattle kept in barns with a free-stall system have contact with the structural elements of the stalls in the lying area. As a result of the cattle entering the lying stall, lying down, and standing up, shiny surfaces appear on the neck rails and partitions. These shiny surfaces can be a source of information about the activity of the animals in the lying stalls over a long period of time.

Kenaf Fiber-Reinforced Biocomposites for Marine Applications: A Review.

Fiber-reinforced composites are widely utilized across various industries, including aerospace, automotive, and marine, due to their outstanding mechanical properties and lightweight characteristics. Natural fibers, as promising reinforcements, have the potential to replace synthetic fibers in certain areas to meet the growing demand for environmental protection and sustainability. These biocomposites offer numerous benefits, including reduced carbon footprints, diminished reliance on non-renewable resources, and increased natural biodegradability.

The physical roles of different posterior tissues in zebrafish axis elongation.

Shaping embryonic tissues requires spatiotemporal changes in genetic and signaling activity as well as in tissue mechanics. Studies linking specific molecular perturbations to changes in the tissue physical state remain sparse. Here we study how specific genetic perturbations affecting different posterior tissues during zebrafish body axis elongation change their physical state, the resulting large-scale tissue flows, and posterior elongation.

Defluorination of water solutions and glass industry wastewater using a magnetic pineapple hydrochar nanocomposite modified with a covalent organic framework.

This study investigates the development and use of a novel magnetic composite, PAH/MnFeO/COF, synthesized from pineapple hydrochar (PAH) and modified with a covalent organic framework (COF) for Fluoride (Flu) elimination from water and industrial wastewater. Fluoride contamination poses serious health risks, making its removal essential. The composite was analyzed using scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and other methods, confirming its successful synthesis with a surface area of 102.

Material-like robotic collectives with spatiotemporal control of strength and shape.

The vision of robotic materials-cohesive collectives of robotic units that can arrange into virtually any form with any physical properties-has long intrigued both science and fiction. Yet, this vision requires a fundamental physical challenge to be overcome: The collective must be strong, to support loads, yet flow, to take new forms. We achieve this in a material-like robotic collective by modulating the interunit tangential forces to control topological rearrangements of units within a tightly packed structure.

Oil Recovery Improvements Based on Pickering Emulsions Stabilized by Cellulose Nanoparticles and Their Underlying Mechanisms: A Review.

The use of nanocellulose (NC)-based Pickering emulsions represents an advancement in chemically enhanced oil recovery (cEOR) methods. The main challenge of cEOR is to develop stable and efficient fluids for applications under reservoir conditions. Pickering emulsions have emerged as a possible solution for stabilizing chemical injection fluids.

How dairy heifers initially respond to freestalls: The effect of neck-rail placement.

Dairy heifers are often kept on open packs early in life and later transitioned to freestalls. The neck rail in freestalls acts as a barrier intended to prevent animals from entering too far in the stall, with the aim of improving stall cleanliness. Unfortunately, this barrier can hinder stall use and may be a hazard to animals due to physical contact, perhaps especially when animals first learn to use the stall.

Highly deformable flapping membrane wings suppress the leading edge vortex in hover to perform better.

Airborne insects generate a leading edge vortex when they flap their wings. This coherent vortex is a low-pressure region that enhances the lift of flapping wings compared to fixed wings. Insect wings are thin membranes strengthened by a system of veins that does not allow large wing deformations.

Analysis of the Impact of Graphite Addition on the Tribological Properties of Composites with Polyester-Glass Recyclate.

Composites are increasingly being modified with various types of fillers and nanofillers. These materials have attracted much attention due to the improvement in their properties compared to traditional composite materials. In the case of advanced technologies, adding additives to the matrix has created a number of possibilities for use in many industries, from electronics to mechanics.

Reliable and robust robotic handling of microplates via computer vision and touch feedback.

Laboratory automation requires reliable and precise handling of microplates, but existing robotic systems often struggle to achieve this, particularly when navigating around the dynamic and variable nature of laboratory environments. This work introduces a novel method integrating simultaneous localization and mapping (SLAM), computer vision, and tactile feedback for the precise and autonomous placement of microplates. Implemented on a bi-manual mobile robot, the method achieves fine-positioning accuracies of 1.

Experimental setup for labyrinth seals: Pressure, temperature, mass flow rate, rotation velocity, and pressure drop simultaneous measurement.

Labyrinth seals (LSs) in turbomachinery are used to minimize leaks. This study presents an experimental setup designed to test and validate LS designs. The test bench (TB) described in this paper can evaluate different LS designs obtained through various methods to find better solutions to mitigate greenhouse gas (GHG) emissions.

Quantum and complex-valued hybrid networks for multi-principal element alloys phase prediction.

This study introduces a hybrid network model for phase classification, integrating quantum networks and complex-valued neural networks. This architecture uses elemental composition as its only input, eliminating complex feature engineering. Parameterized quantum networks handle sparse elemental data and convert data from real to complex domains, increasing information dimensionality.

Effect of Depth Band Replacement on Red, Green and Blue Image for Deep Learning Weed Detection.

Automated agricultural robots are becoming more common with the decreased cost of sensor devices and increased computational capabilities of single-board computers. Weeding is one of the mundane and repetitive tasks that robots could be used to perform. The detection of weeds in crops is now common, and commercial solutions are entering the market rapidly.

Analysis of Tool Wear in Finish Turning of Titanium Alloy Ti-6Al-4V Under Minimum Quantity Lubrication Conditions Observed with Recurrence Quantification Analysis.

Titanium alloys, particularly Ti-6Al-4V, are widely used in many industries due to their high strength, low density, and corrosion resistance. However, machining these materials is challenging due to high strength at elevated temperatures, low thermal conductivity, and high chemical reactivity. This study investigates Recurrence Plot (RP) and Recurrence Quantification Analysis (RQA) to analyze tool wear during the finish turning of Ti-6Al-4V.

Atomistic Study on the Mechanical Properties of HOP-Graphene Under Variable Strain, Temperature, and Defect Conditions.

HOP-graphene is a graphene structural derivative consisting of 5-, 6-, and 8-membered carbon rings with distinctive electrical properties. This paper presents a systematic investigation of the effects of varying sizes, strain rates, temperatures, and defects on the mechanical properties of HOP-graphene, utilizing molecular dynamics simulations. The results revealed that Young's modulus of HOP-graphene in the armchair direction is 21.

Ensemble learning based sustainable approach to rebuilding metal structures prediction.

The effective implementation of the European Green Deal is based on closing cycles by means of reusing products and extending their durability, especially for steel products in the construction industry. The Life Cycle Assessment gives an opportunity to determine the potential impact caused on the environment by building structures and it is used mainly at the early design stage. At the same time, there are significant gaps when it comes to predicting properties of steel products at the last stage of the life cycle of existing buildings in the End of Life Stage (C1-C4) phases and especially D-Benefits and Loads Beyond the System Boundary.

An Insight into Chip and Surface Texture Shaping Under Finish Turning of Powder Steels Infiltrated with Tin Bronze.

The manufacturing of work parts made of powder (sintered) steels is currently widespread in industry, as it provides minimal processing allowances and high dimensional accuracy, as well as the required properties and unconventional chemical composition. At the same time, their low tensile or bending strength must be considered a serious disadvantage. In order to minimize these disadvantages, a number of strengthening technologies are used, among which is the infiltration of porous base materials with metal alloys.