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实验室培养肉进入顾客餐桌——机遇与挑战并存

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Engineering 2024年第3期34卷 3-5页

作者： Sarah c.p.Williams Senior Technology Writer

In the summer of 2023,two US restaurants added a novel item to their menus:chicken grown in a lab(Fig.1)[1,2].The first to receive regulatory approval for commercial sale,the lab-grown—or"cultivated"—meat starts as a few real chicken cells that are grown in vats of liquid and nutrients until they become pieces large enough to shape into nuggets and strips.

关键词：实验室培养 approval restaurant

“Two Sessions”chart a clear path in an Uncertain World

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china Today 2024年第4期73卷 21-23页

作者： WILLIAM jones chongyang Institute for Financial Studies under Renmin University of china

china is serving as an anchor of stability in a world engulfed in geopolitical rivalry and *** 2024 sessions of china’s top legislature and political advisory body exuded a strong sense of confidence in china’s ability to steer its course toward modernization in spite of the headwinds created by the hysterical reaction of some in the West over Beijing’s emergence as a world power.

关键词： spite winds World

The Influence of Variable (Monsoon) Rainfall on Sedimentation in the Roaches Grit and Other Upper carboniferous Delta Sequences in the UK pennine Basin

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International Journal of Geosciences 2024年第8期15卷 632-666页

作者： colin Michael jones Retired Cambridge UK

The Roaches Grit in the UK pennine Basin was a complex deep water deltaic sequence deposited during the Late carboniferous glacial period. The channels of the upper part of the Roaches Grit, deposited towards the end of the cyclothem after the eustatic minimum, contain evidence for very high seasonal discharges related to strong monsoon rainfall in the catchment areas. In some channels, intense turbulence near the delta front, led to knick point recession and deep incision. These channels were filled with sediments during reduced discharge, including very large sets of cross-bedding up to 16 m thick. channels were short-lived with frequent avulsions. Over time slightly lower discharges formed laterally migrating channels dominated by bar forms. Different discharge-controlled processes operated on the reactivated delta slope. Incised channels generated turbidity currents during floods which transported sediments directly into the basin far from the delta. Migrating channels built mouth bars;resedimentation during floods formed density currents which then deposited sediment on the lower parts of the slope.

关键词： carboniferous Delta climate Monsoon Rainfall ITcZ precession

Use of ketamine for severe asthma exacerbation in a pregnant patient with persistent bronchospasm:a case report

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Emergency and critical care Medicine 2024年第3期4卷 130-133页

作者： Melanie Johnson Malak Abbas Jaber Abdo Mansour Mansour Jessica jones pharmacy Department Beaumont HealthDearbornMIUSA Emergency center Beaumont HealthDearbornMIUSA

Background:Estimated 4%-8%of pregnancies are complicated by *** management in this population is critical to minimize *** presenting with asthma exacerbation are typically managed with standard bronchodilators and systemic ***,additional agents may be used in patients with refractory asthma *** has been used in refractory bronchospasm,although its efficacy in published literature is *** presentation:We present a case of a pregnant patient with severe asthma exacerbation refractory to standard and salvage treatment who achieved termination of bronchospasm with ketamine ***:After receiving ketamine infusion for several days,the patient had improved air flow and achieved successful extubation,without experiencing rebound *** this individual clinical case alone cannot change guidelines or directives to use in refractory asthma exacerbations,it offers a possible treatment option to patients and providers in unusually severe cases with extenuating risk factors.

关键词： Asthma Bronchospasms case Report Ketamine pregnancy

Magnesium oxide(MgO)nanoadsorbents in wastewater treatment:A comprehensive review

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Journal of Magnesium and Alloys 2024年第5期12卷 1709-1773页

作者： H.c.S.perera V.Gurunanthanan Anoop Singh M.M.M.G.p.G.Mantilaka G.Das Sandeep Arya Department of physics Khalifa UniversityAbu Dhabi12788United Arab Emirates postgraduate Institute of Science University of PeradeniyaPeradeniyaSri Lanka Department of Humanities and Sciences Guru Nanak Institutions Technical CampusIbrahimpatnamHyderabad501506India centre for Global Health Research Saveetha Medical College and HospitalsSaveetha Institute of Medical and Technical SciencesChennai602105Tamil NaduIndia Department of physics University of JammuJammu and Kashmir180006India

Wastewater contamination by heavy metals and synthetic dyes presents a significant environmental challenge,necessitating effective and sustainable separation *** review article provides a detailed examination of magnesium oxide(MgO)nanoparticles as an innovative nanoadsorbent for wastewater treatment,with a specific focus on heavy metal and dye *** review comprehensively explores various aspects of MgO nanoparticles,including their structural characteristics and synthesis *** article delves into the morphology and crystallographic arrangement of MgO nanoparticles,offering insights into their structural *** the complexity of adsorption processes,the review identifies and analyzes parameters influencing the adsorption efficiency of MgO nanoparticles,such as temperature,pH,contact time,initial concentration,and co-existing *** interplay between these parameters and the adsorption capability of MgO nanoparticles emphasizes the importance of optimizing operational ***,the review assesses various synthesis methods for MgO nanoparticles,including sol-gel,hydrothermal,precipitation,green synthesis,solvothermal,and template-assisted *** discusses the advantages,limitations,and resulting nanoparticle characteristics of each method,enabling readers to grasp the implications of synthesis processes on adsorption *** comprehensive review consolidates current insights into the effectiveness of MgO nanoparticles as a potent nanoadsorbent for removing heavy metals and dyes from wastewater covering a wide spectrum of aspects related to MgO ***,there is a need to investigate the use of MgO in the treatment of actual wastewater or river water,in order to leverage its cost-effectiveness and high efficiency for practical water treatment applications in real-time.

关键词： MgO nanoparticles Nanoadsorbent Wastewater treatment Heavy metals Dye separation Adsorption Synthesis methods

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Sanya Beyond the Sea

china Weekly 2024年第7期 60-61页

作者： Michael jones 不详

Sanya,the tropical paradise on the southern tip of the island province of Hainan,has long been a destination for those in china seeking rest,relaxation and *** miles of quiet beaches,golden sands,and magnificent palm ... 详细信息

关键词： seeking island relaxation

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Lost Horizons

china Weekly 2024年第4期 60-61页

作者： Michael jones 不详

A trip off the beaten track in Xizang Autonomous Region will reward with stunning sights and isolated monasteries in the Tibetan grasslands and mountains.

关键词： mountains Tibetan sights

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clans and Karsts

china Weekly 2024年第6期 60-61页

作者： Micheal jones 不详

Indulge in some ancestor worship and slurp a bowl of pungent river snail noodles in ancient Huangyao amid a magnificent landscape of karst mountains and *** might not be as famous as its glitzy neighbor Guilin,but its ancient culture,historic clan architecture and natural surroundings provide an alternative for a trip to *** Autonomous Region.

关键词： karst landscape mountains

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Gants of the past

china Weekly 2024年第1期 60-61页

作者： Michael jones 不详

The ancient statues of southwestern china are an authentic reminder of the pinnacle of Buddhist rock carving.

关键词： authentic southwestern ancient