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Water manipulation through Curvature Energy on Humidity microparticles

Electrical Science & Engineering 2022年第1期4卷 21-29页

作者： Francisco Bulnes isaias martinez isai m.martinez IINAmEI International Advanced Research in Mathematics and EngineeringC.A.ChalcoMexico

The electric field created in a curvature energy sensor on air microparticles is used to obtain a temperature-humidity map G:m→SO(2)∪F,by stereo-radially of the sensor design to detect and measure the temperature and humidity of certain local region of the environment ***,considering the curvature energy as the deviation of any field interaction,even the obstruction to its proper flow,is designed and created a humidity-resistor sensor to the control and optimization of humidity in a space with different gradients of humidity,pressure and temperature in a radial detection and *** the sensing problem is a problem of free boundary conditions where is satisfied an energy functional of norm ||ξ||_(2),to curvature functions κ,that satisfy in the temperature and humidity function ξ,the change limit condition ξ|_(∂Ω)≤2πξ(r).This carries to that the temperature-humidity sensor must be designed on a length gauge to measure the changes of humidity and temperature in the space.

关键词： Curvature energy Humidity mean energy curvature Spectral curvature Stereo-radially Water particles

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Bismuth Effect on the mechanical Properties of Antifriction Al-Sn Alloys

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materials Sciences and Applications 2014年第5期5卷 330-337页

作者： isai Rosales Gonzalo Gonzalez-Rodriguez Jose Luis Gama Rene Guardian Centro de Investigación en Ingeniería y Ciencias Aplicadas-FCQ e Ing.UAEm. Cuernavaca Mexico

Al-Sn alloys were produced by the induction melting method with different Bi additions. microstructure shows grains 130 μm average size. Fracture toughness and hardness tests have shown that ternary alloying elements present significantly affected the samples with Bi alloying. Plastic deformation was evaluated by using the forging test;the results have shown that the addition of 3.5 at.% Bi increased the value at least twice as compared with unalloyed sample. Wear test indicated that bismuth slightly affected the tribological behavior. It was found that a concentration of 3.0 at.% Bi, considerably enhances the alloys performance.

关键词： EBSD mechanical Characterization Aluminum Alloys Plasticity Wear

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Temperature changes in the root ecosystem affect plant functionality

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Plant Communications 2023年第3期4卷 197-214页

作者： mary Paz González-García Carlos m.Conesa Alberto Lozano-Enguita Victoria Baca-González Bárbara Simancas Sara Navarro-Neila maría Sánchez-Bermúdez isai Salas-González Elena Caro Gabriel Castrillo Juan C.del Pozo Centro de Biotecnología y Genómica de Plantas(UPm-INIA/CSIC) Universidad Politécnica de Madrid(UPM)-Instituto Nacional de Investigación y Tecnología Agrariay Alimentaria-CSIC(INIA/CSIC)Campus Montegancedo28223 Pozuelo de Alarcón(Madrid)Spain Departamento de Biotecnología-Biología Vegetal Escuela Técnica Superior de Ingeniería AgronómicaAlimentaria y de BiosistemasUniversidad Politécnica de Madrid(UPM)28040 MadridSpain Undergraduate Program in Genomic Sciences Center for Genomics SciencesUniversidad Nacional Autonóma de MéxicoAv.Universidad s/n.Col.ChamilpaCuernavaca 62210MorelosMéxico Future Food Beacon of Excellence&School of Biosciences University of NottinghamSutton BoningtonUK

Climate change is increasing the frequency of extreme heat events that aggravate its negative impact on plant development and agricultural *** experiments designed to study plant adaption to heat stress apply homogeneous high temperatures to both shoot and ***,this treatment does not mimic the conditions in natural fields,where roots grow in a dark environment with a descending temperature *** high temperatures severely decrease cell division in the root meristem,compromising root growth,while increasing the division of quiescent center cells,likely in an attempt to maintain the stem cell niche under such harsh ***,we engineered the TGRooZ,a device that generates a temperature gradient for in vitro or greenhouse growth *** root systems of plants exposed to high shoot temperatures but cultivated in theTGRooZ grow efficiently and maintain their functionality to sustain proper shoot growth and ***,gene expression and rhizosphere or root microbiomecomposition are significantly less affected in TGRooZ-grown roots than in high-temperature-grown roots,correlating with higher root *** data indicate that use of the TGRooZ in heat-stress studies can improve our knowledge of plant response to high temperatures,demonstrating its applicability from laboratory studies to the field.

关键词： heat stress root temperature gradient nutrition gene expression microbiome

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