• 能源来源多样化:通过将风能、太阳能和其他可再生能源引入能源市场,电网对单一电源的依赖性将降低,从而提高整体可靠性。• 峰值需求管理:太阳能尤其有助于满足晴天的峰值需求,从而减少高需求期间电网的压力。• 能源存储集成:将可再生能源与电池存储系统相结合,可以在需求高或可再生能源发电量低时(例如夜间或阴天)存储和使用多余的能源。• 电网弹性:分布式可再生能源系统(如屋顶太阳能电池板)可以通过提供局部发电来增强电网弹性,减少停电和输电瓶颈的影响。• 环境效益:可再生能源有助于清洁环境,从而带来长期健康和经济效益,间接支持更稳定和可持续的能源系统。
加拿大西部谷物最新动态——2024-25 作物年度第 18 周摘要:大草原地区持续的寒冷天气和低于平均水平的气温严重影响了第 18 周谷物运输的网络流动性和速度。这要求加拿大国家铁路公司保持冬季列车长度限制,以维持网络中谷物和其他商品的安全运输。持续的运力限制导致大量列车因网络运力下降而被阻止。第 18 周谷物运输共运输了 646,000 公吨谷物和加工谷物产品。加拿大国家铁路公司最大可持续端到端供应链容量指导加拿大谷物供应链的容量在整个作物年度内都在变化,多种因素对在任何时间点可以通过系统的谷物量造成了实际限制。谷物供应链的最大可持续容量还取决于该供应链从原产地到目的地各个部分的容量和运营效率。 CN 认为,如果持续发展,端到端粮食供应链在冬季每周最多可容纳 6,250 辆车(每周最多 595,000 公吨)散装粮食和加工粮食产品,其中预计每周约有 900 辆车将用于运输加工粮食产品。CN 的这些最大端到端粮食供应链容量水平假设必须具备多种条件才能实现这些水平。这些条件包括但不限于下表中列出的条件:
摘要 - 生成扩散模型(GDMS),在对各种域的复杂数据分布进行建模方面取得了显着的进步。与此同时,深度加固学习(DRL)在优化Wi-Fi网络性能方面已显示出重大改进。Wi-Fi优化问题对于数学上的模型来说是高度挑战性的,DRL方法可以绕过复杂的数学建模,而GDMS在处理复杂的数据建模方面表现出色。因此,将DRL与GDM相结合可以相互增强其功能。Wi-Fi网络中当前的MAC层访问机制是分布式协调函数(DCF),它在大量端子中大大降低了性能。在这项研究中,我们提出了深层扩散确定性策略梯度(D3PG)算法,该算法将扩散模型与深层确定性策略梯度(DDPG)框架集成在一起,以优化Wi-Fi网络性能。据我们所知,这是在Wi-Fi性能优化中应用这种集成的第一项工作。我们提出了一种基于D3PG算法的共同调整争议窗口和聚合框架长度的访问机制。通过模拟,我们证明了这种机制在密集的Wi-Fi方案中显着优于现有的Wi-Fi标准,即使用户数量急剧增加,也保持了性能。
A novel, zero-waste and recycling plastic waste solution is introduced, to scalably produce graphene nanoplatelets/barium titanate (GNP/BaTiO 3 ) polymer nanocomposite fibrils.A comprehensive investigation is performed to evaluate the compatible and non-compatible recycled polypropylene (PP)/polyethyleneterephthalate (PET) blends combined with functional (electrical, piezoelectric,and dielectric) materials for in-situ fibril production.The nanocompositefibrils made from recycled PP, PET and GNPs/BaTiO 3 with high-aspect ratio disparity (400:1) are produced, which exhibit significantly enhanced electrical, thermomechanical, and electromagnetic characteristics.Single-screw extrusion is utilised to fabricate the fibrils with the in-situ fibril morphology of PET and GNPs/BaTiO 3 leading to improved electrical conductivity.It is demonstrated that such fibril morphology restricts the chain mobility of polymer molecules, and ultimately increases viscosity and strain energy.Moreover, the study demonstrates a positive reinforcement effect from the utilisation of PET fibrils and GNPs/BaTiO 3 in a PP matrix, dominated by the high-aspect ratio, stiffness, and thermal stability of GNPs/BaTiO 3 .Furthermore, it is observed that the mechanical properties and tension-bearing capacity of the PP are significantly improved by such incorporation.The study also demonstrates that the protection of the remanufactured nanocomposites against electromagnetic interference is significantly improved with the increasing GNPs/BaTiO 3 content and the morphological transition from spherical to fibril-shaped PET.
Glyceollins是一种在豆类物种中引起的植物毒素家族,在环境压力反应(例如防御病原体)和人类健康中起着至关重要的作用。However, little is known about the genetic basis of glyceollin elicitation.在本研究中,我们采用了一种基于代谢物的基因组 - 宽缔合方法(MGWA)方法来鉴定在遗传多样的甘油蛋白诱导的候选基因,并正在研究遭受大豆囊肿线虫的野生大豆。In total, eight SNPs on chromosomes 3, 9, 13, 15, and 20 showed signi fi cant associations with glyceollin elicitation.六个基因分为两个基因簇,它们在苯基丙烷途径中编码糖基转移酶,并在物理上接近染色体9。此外,还发现转录因子(TFS)基因(例如MYB和WRKY)是有前途的候选基因,与染色体上的显着SNP紧密联系。Notably, four signi fi cant SNPs on chromosome 9 show epistasis and a strong signal for selection.The fi ndings describe the genetic foundation of glyceollin biosynthesis in wild soybeans; the identi fi ed genes are predicted to play a signi fi cant role in glyceollin elicitation regulation in wild soybeans.此外,自然种群中的上皮相互作用和选择影响甘油蛋白的变异如何应进一步研究以阐明甘糖苷生物合成的分子机制。
Results: Through forward and reverse MR analyses, we found the risk of lymphoid leukemia was signi fi cantly associated with the abundance of phylum Cyanobacteria, order Methanobacteriales, class Methanobacteria, family Peptococcaceae, family Methanobacteriaceae, and genera Lachnospiraceae UCG010, Methanobrevibacter, Eubacterium brachy组和丁二维伯里奥(Butyrivibrio)。The risk of myeloid leukemia was signi fi cantly associated with the abundance of phylum Actinobacteria, phylum Firmicutes, order Bi fi dobacteriales, order Clostridiales, class Actinobacteria, class Gammaproteobacteria, class Clostridia, family Bi fi dobacteriaceae, and genera Fusicatenibacter, Eubacterium Hallii Group,Blautia,Collinsella,Ruminococcus Gauvreauii组和双杆菌。Hodgkin淋巴瘤的风险与丰富的梭子座Vadinb60组,peptocococus属和Ruminococcaccaceae UCG010属显着相关。恶性等离子体细胞肿瘤的风险与丰富的Romboutsia属和卵细菌的丰度显着相关。弥漫性大B细胞淋巴瘤的风险与丰富的Erysipelatoclostridium和Eubacterium coprostanolostanoligenes组显着相关。成熟T/NK单元的风险
众所周知,半手忽视患者的空间和非空间注意方面之间的临床联系;在特定的情况下,警报的增加可以在不断地将注意力分配给对比方面。在关注模型中,这种现象被认为依赖于腹侧皮质网络和背侧皮质网络之间的相互作用,分别缩减了非空间和专注于注意方面。然而,这两个网络之间相互作用的确切神经基础知之甚少。在本研究中,我们包括80例亚急性中风(50%女性;年龄范围:24-96),33例,而无忽视的47例右半球患者,如纸 - 铅笔取消测试所评估。 患者执行了一项计算机上的任务,在该任务中,他们被要求通过按钮对中心目标尽快做出反应,该目标是先于或不采用非空间,听觉警告音调的中心目标。 在两个不同条件下的反应时间。 在忽视患者中,警告语调,增强腹侧注意力“警报”网络中的活动,可以提高背注意网络(以较短的反应时间)对视觉刺激的反应(以较短的反应时间),直至无忽视的患者水平。 Critically, using voxel-based lesion-symptom mapping analyses, we show that this effect significantly depends on the integrity of the right an- terior insula and adjacent inferior frontal gyrus, i.e., right-hemispheric patients with lesions involving these areas were significantly less likely to show shorter reaction times when a warning tone was presented prior to visual target appearance.在本研究中,我们包括80例亚急性中风(50%女性;年龄范围:24-96),33例,而无忽视的47例右半球患者,如纸 - 铅笔取消测试所评估。患者执行了一项计算机上的任务,在该任务中,他们被要求通过按钮对中心目标尽快做出反应,该目标是先于或不采用非空间,听觉警告音调的中心目标。在两个不同条件下的反应时间。在忽视患者中,警告语调,增强腹侧注意力“警报”网络中的活动,可以提高背注意网络(以较短的反应时间)对视觉刺激的反应(以较短的反应时间),直至无忽视的患者水平。Critically, using voxel-based lesion-symptom mapping analyses, we show that this effect significantly depends on the integrity of the right an- terior insula and adjacent inferior frontal gyrus, i.e., right-hemispheric patients with lesions involving these areas were significantly less likely to show shorter reaction times when a warning tone was presented prior to visual target appearance.我们建议,右前岛和下额回是一个关键的枢纽,腹侧注意网络可以“警告”并提高背侧注意网络活动的效率。
The development of magnetocaloric materials with a significantly enhanced volumetric cooling capability is highly desirable for the application of adiabatic demagnetization refrigerators in confined spatial environments. Here, the thermodynamic characteristics of a magnetically frustrated spin-7/2 Gd 9.33 [SiO 4 ] 6 O 2 is presented, which exhibits strongly correlated spin disorder below ≈ 1.5 K. A quantitative model is proposed to describe the magnetization results by incorporating nearest-neighbor Heisenberg antiferromagnetic and dipolar interactions. Remarkably, the recorded magnetocaloric responses are unprecedentedly large and applicable below 1.0 K. It is proposed that the S = 7/2 spin liquids serve as versatile platforms for investigating high-performance magnetocaloric materials in the sub-kelvin regime, particularly those exhibiting a superior cooling power per unit volume.
什么是侵入性脑膜炎球菌的疾病?侵袭性脑膜炎球菌疾病(IMD)是由居住在鼻腔咽部的细菌引起的脑膜炎球菌感染。1六个主要的血清群(A,B,C,W,X和Y)的脑膜链球菌会引起大多数IMD病例。由于免疫系统欠发达的败血病患者可能会发生相关的败血病。但是,有史以来青少年和年轻人是其他患病率很高的群体。大多数患者出现了非特异性,病毒疾病的IC症状,例如发烧,心动过速和偶尔在疾病发作后的24小时内出血性紫红色皮疹;这些症状可以迅速发展为严重的脑膜炎,颅内压升高和败血性休克。IMD的死亡率高达10%,许多幸存者经历了Signi,Icant不良后遗症。
Over the last few decades, emerging evidence suggests that non-coding RNAs (ncRNAs) including long-non-coding RNA (lncRNA), microRNA (miRNA) and circular-RNA (circRNA) contribute to the molecular events underlying progressive neuronal degeneration, and a plethora of ncRNAs have been identified significantly misregulated in many神经退行性疾病,包括帕金森氏病和突触性疾病。尽管在许多情况下尚未清楚地确定神经病理学与致病候选者之间的直接联系,但NCRNA对导致神经退行性疾病中细胞功能障碍的分子过程的贡献已经解决,这表明它们可能在这些疾病的病理学中起作用。本综述的目的是概述和讨论最近的文献,这些文献涉及帕金森病和突触核苷模型中神经病理学不同方面的基于RNA的机制的作用。