Results 51 to 60 of about 18,080 (163)
Progress in developments and applications of the HYDRUS model and associated coupling model packages [PDF]
HYDRUS model is widely used in agricultural irrigation and pollution transport because it can comprehensively consider the movement of water, heat, and pollutants in the soil-plant-atmosphere system.
Bei ZHANG +5 more
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Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Thermally driven hydrogenation of CO2 to light olefins (C2=–C4=) using metal oxide‐zeolite tandem catalysts is an effective strategy for achieving carbon neutrality. However, progress in this area is constrained by zeolite pore transport limitations, acid‐site inactivation, and surface carbon poisoning.
Haifeng Tian +10 more
wiley +1 more source
Effect and mechanism of three kinds of drinking water on blood pressure of hypertensive mice [PDF]
, 2017 目的探究3种饮用水对高血压小鼠血压的影响及可能机制。方法测定3种饮用水的水质情况:溶解性总固体(TDS) 、耗氧量(OC); 、pH、氧化还原电位(ORP) 、电导率(EC); 、溶解氢、钙和镁;采用N'-硝基-L-精氨酸甲酯盐酸盐(L-NAME)连续灌胃法(30天)建立ICR小鼠高血压模型。然后将小鼠随机分为4组:正常; 对照组、模型对照组、模型自来水组和模型过滤水组,每个月检测小鼠血压,3个月后测定小鼠血清一氧化氮(NO) 、一氧化氮合酶(NOS); 、总超氧化物歧化酶(T-SOD) 、丙二醛 ...
孙倩, 辛凡, 阮国洪, 陈荣河
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Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Developing oxygen evolution reaction (OER) catalysts that combine high performance with cost‐effectiveness is a critical challenge for advancing the commercialization of anion exchange membrane water electrolysis (AEMWE). Practical application is often hindered by issues such as poor batch reproducibility and low‐cost efficiency.
Chuang Zhang +9 more
wiley +1 more source
Journal of Applied Ecology, Volume 63, Issue 4, April 2026.The modified PSR framework proved valuable for assessing conservation effectiveness and identifying research gaps for waterbirds in the EAAF. Recognizing similar threats to other migratory species globally, we urge action to: (1) prioritize regionally relevant research validating frontline conservation actions, (2) enhance communication between ...
Sze‐On Ng +4 more
wiley +1 more source
全球能源互联网随着风电、光伏的大规模并网，电力系统面临灵活调节能力不足的挑战。水电运行灵活，通过与风光协同规划、互补运行，能有效平抑新能源出力波动，保障并网消纳。水风光协同规划的关键之一在于对水电灵活调节能力进行准确建模，其中振动区约束不容忽略。为此，提出了考虑水电振动区的水风光协同规划模型。该模型首先利用组合数学技术将水电机组振动区合成为电站振动区；然后，综合考虑振动区约束及梯级水力联系、水力发电方程等各项约束，实现对水电系统的准确建模；最后，耦合水电系统与新能源、联络线等相关运行约束形成水风光协同规划模型 ...
燕志宇 +4 more
doaj +1 more source
The relationship between reactive gliosis and neuroinflammation with the development of hydrocephalus [PDF]
, 2013 目的：研究反应性胶质细胞增生、神经炎症反应与大鼠脑积水发生的关系和抗胶质增生对脑积水的治疗作用。 方法：选取成年雄性SD大鼠50只，随机分为4组，脑积水组25只，假手术组5只，米诺环素治疗组10只，阴性干预组10只。脑积水模型组采用立体定向脑室内高岭土注入法建立交通性脑积水动物模型，假手术组脑室内注入等量生理盐水。米诺环素治疗组和阴性干预组造模方法同脑积水组，治疗组造模1周后给予米诺环素腹腔注射，阴性干预组给予等量生理盐水腹腔注射。所有分组在造模后3周，均行MRI检查，根据脑室扩大程度将脑积水组分为轻度、
徐昊
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Conservation Biology, Volume 40, Issue 2, April 2026.Abstract Measuring area‐based conservation outcomes in tropical forests is challenging due to cryptic human disturbances (e.g., hunting). As a result, comparative studies of management strategies providing quantitative outcomes remain scarce, especially in the Neotropics.
Lucy Perera‐Romero +5 more
wiley +1 more source
Shuitu Baochi Xuebao, 2019 针对坡面径流水深浅（1~5 mm）和水动力学参数（流速、水深等）提取困难，给坡面侵蚀径流水流结构、能量耗散及泥沙输移等的深入研究带来困难的问题，基于水动力学原理和相似性理论，通过"非常规比尺模型"将径流水深进行放大，来研究坡面薄层含沙水流的水流相似过程。结果表明：（1）当薄层含沙水流水深放大2.5倍，含沙量在10~320 kg/m3时，薄层含沙水流原型和模型的水面线（阻力）、流速、侵蚀地形的误差分别为0~0.1%，0.1%~5.3%，0.9%~4.9%，误差均在允许范围之内，原型和模型满足几何 ...
尹艳 +4 more
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Shuitu Baochi Xuebao, 2001 根据黄河中游暴雨产流产沙机制,建立了2种水源产流模型;在将地面径流概化为宽浅式明渠流的基础上,综合考虑降雨、土壤含水量、地面径流的影响,建立了暴雨产沙模型. 并应用该模型模拟了黄土高原典型支流的天然水沙过程.
王国庆 陈江南 李皓冰 康玲玲 王云璋 曾茂林
doaj