Envase

Envase

Uncertainty design and optimization of a hybrid rocket motor with mixed random-interval uncertainties
- AbstractUncertainties, which exist widely in the design of aerospace systems, have a great impact on system response and may lead to design failures. Both the probability and non-probability...
Tailorable low temperature silica-gelatin biomaterials for drug delivery
- Sol-gel silica-based hybrids combine an inorganic compound, silica, with an organic one to tune its properties for tissue regeneration. These hybrid materials can be produced at low temperature,...
MS3 of Ti2AlN powder at 700 °C with controllable morphology and its formation mechanism analyzed by DFT-TST-SD
- Ti2AlN powder with ?97 wt% purity has been synthesized at 700 °C (far below all the previously reported temperatures) via molten salt shielded synthesis (MS3) in the air. The effects of...
SnO2 NSs synthesized by hydrothermal method for Cl2 sensing
- Three-dimensional flower-shaped tin dioxide nanosheets (SnO2 NSs) are prepared by magnetic stirring, hydrothermal reaction and ice bath rapid cooling using tin dichloride dihydrate as raw...
Dielectric properties and negative permittivity performance modulated by dual fillers in CNTs/TiN/CaCu3Ti4O12 ternary composites
- Ceramic composites with negative permittivity have attracted widespread attention during the development of novel electromagnetic metamaterials. Herein, carbon nanotubes/TiN/CaCu3Ti4O12...
Effect of annealing temperature on the properties of 0.5Bi4Ti3O12-0.5BiFe0.98Mn0.02O3 thin films
- The 0.5Bi4Ti3O12-0.5BiFe0.98Mn0.02O3 (BTBF) composite film based on fluorine doped tin dioxide (FTO)/glass was prepared by the sol-gel method. The structure, oxygen vacancy concentration,...
Performance of magnesium hydroxide gel at different alkali concentrations and its effect on properties of magnesium oxysulfate cement
19/09/2022 - This paper investigated the influence of the alkali concentration on the nanostructure of synthetic magnesium hydroxide and examined the effect of magnesium hydroxide on the performance of...
Livestock manure availability and syngas production: A case of Sudan
15/11/2022 - Sudan is facing an energy crisis caused by a large deficit in electric power supply and transportation fuels such as gasoline and diesel. Only about 32% of the population have access to...
Synergistic enhancement of thermal conduction and microwave absorption of silica films based on graphene/chiral PPy/Al2O3 ternary aerogels
- Severe problems of heat dissipation and electromagnetic (EM) interference are quite detrimental to modern electronics, prompting researchers to develop advanced integrated materials of thermal...
3D bioprinting: Materials, processes, and applications
- Ageing population and new diseases are requiring the development of novel therapeutical strategies. 3D bioprinting an novel application domain of additive manufacturing emerged as a potential...
Practical factors affecting the application of interactive environmental panorama art in diverse urban exploration: A case study of San Francisco
- When touring multicultural cities, planning everything out in advance can enrich the visiting experience. Advances in the internet and computer graphics technology have resulted in the trend of...
Quantifying the capacity of tree branches for retaining airborne submicron particles
- Human health risks brought by fine atmospheric particles raise scholarly and policy awareness about the role of urban trees as bio-filters of air pollution. While a large number of empirical studies...
Effects of strict containment policies on COVID-19 pandemic crisis: lessons to cope with next pandemic impacts
04/08/2022 - The goal of the study here is to analyze and assess whether strict containment policies to cope with Coronavirus Disease 2019 (COVID-19) pandemic crisis are effective interventions to reduce high...
Evaluation of smoke gas toxicity and smoke density of bus interior materials
04/08/2022 - Materials used for interior parts in buses are today fire classified according to UNECE Regulation 118, evaluating the horizontal and vertical burning rates and the melting behaviour. However, in...
Polymer-derived ceramic molten metal filters
03/08/2022 - Abstract This paper reports the synthesis and the performance of polymer-derived ceramic filters for molten metal filtration. Two different filter types were studied: foam filters...
Study on Safe Usage of Agricultural Land in Typical Karst Areas Based on Cd in Soil and Maize: A Case Study of Northwestern Guizhou, China
04/08/2022 - Cadmium (Cd) is an unnecessary dietary toxin that is harmful to human health. The Cd translocation in soil-crops system varies greatly depending on different soil matrices; therefore, a valuable...
Chiral Recognition with Broad Selective Sensor Arrays
04/08/2022 - The detection and discrimination of chiral analytes has always been a topical theme in food and pharmaceutical industries and environmental monitoring, especially when dealing with chiral drugs and...
Composite Films for Time Measurement—A Case Study
04/08/2022 - Each event starts in the past and proceeds towards the future, going through the present [...]
Dynamical Behaviors of a Translating Liquid Crystal Elastomer Fiber in a Linear Temperature Field
04/08/2022 - Liquid crystal elastomer (LCE) fiber with a fixed end in an inhomogeneous temperature field is capable of self-oscillating because of coupling between heat transfer and deformation, and the dynamics...
Quality Risk Management in Pharmaceutical Manufacturing Operations: Case Study for Sterile Product Filling and Final Product Handling Stage
04/08/2022 - In the highly regulated pharmaceutical industry, significant risks to products/processes must be formally identified, reduced, and controlled to minimize potential negative impacts on patients....