Results 41 to 50 of about 28,876 (269)
The tobacco process based on the research and implementation of Lean Six Sigma BQMS system [PDF]
质量,作为企业关注的恒久主题,是实现企业可持续的关键,是在未来竞争中取得优势的法宝,是提高各项效益的重要指标。善用信息化推进卷烟生产现代化的质量管理,正是卷烟工业迎接市场变换、提升自身综合竞争力的有效途径。 当前,卷烟企业已经大规模采用了管理信息系统及自动化技术应用于流水线生产。业内采用制造执行系统(MES)作为生产现场综合管理的集成系统,从生产计划的执行、生产过程的追溯、设备的正常高效使用、进行工人排班及合理激励等多个维度对生产现场进行集成管理。 而在卷烟企业的实际应用过程中 ...
姜凌
core
The response of aging mice to L‐carnitine induced activation of ACar metabolism in BAT requires Sirt3 expression. Mechanically, Sirt3 regulated ACar metabolism via HIF1α‐PPARα signaling pathway to promote BAT thermogenesis. Sirt3 regulated ACar metabolism is critical in improving age‐associated decline of BAT thermogenesis. Abstract Acylcarnitine (ACar)
Kuiliang Zhang+10 more
wiley +1 more source
Gut microbiota‐directed dietary factors enhance exercise performance in mice
Abstract This study investigated the effect of dietary interventions targeting gut microbiota on exercise performance in mice. Analysis of the gut microbiota of individuals with varying levels of physical activity revealed enrichment of Eubacterium rectale and Faecalibacterium prausnitzii in the active population.
Hongchao Wang+6 more
wiley +1 more source
会议电视系统中核心部分是比特率的控制方法,它对编码的图象质量产生直接影响。文中从缓冲器平滑波动数码流的原理入手,分析了缓冲器纯占有率控制算法及参数设置,并针对缓冲器纯占有率控制算法的编码图象质量不够理想的机理,研究了缓冲器占有率的视觉调整算法和基于比特分配的缓冲容量控制算法 ...
杨春华, 唐志明
doaj
探索Carlson模型、正电子发射计算机断层扫描/计算机断层成像(Positron Emission Tomography/Computed Tomography,PET/CT)模型、Hoffman 3D脑模型中223Ra单光子发射计算机断层扫描/计算机断层成像(Single Photon Emission Computed Tomography/Computed Tomography,SPECT/CT)成像参数的条件。在研究中,对Carlson模型、PET/CT模型、Hoffman 3D脑模型进行GE
李 童童+6 more
doaj +1 more source
Implementation Research on Quality Control of Improvement Project for Technology of Tobacco Shred Production Based on BQMS System [PDF]
中式卷烟特色工艺技术的发展对卷烟制丝线关键工序、关键参数的控制水平提出了新的要求。制丝线关键工序、关键参数的控制水平通常采用质量评价来表征,质量评价必须真实、客观地反映各关键工序和关键参数的质量,才能为质量持续改进和管理考核提供依据。 XY公司在新一轮技术改造中,制丝线采用了符合ISAS88.01标准的Batch(批控制系统),并结合企业MES(制造执行系统)的开发与应用实现自动配方验证、配方发布,生产任务单的编辑、验证、发布以及批量生产控制,满足多线、多产品、小批量的生产方式的高度柔性的要求 ...
李楠
core
(1) Bifidobacterium longum subsp. longum CCFM1029 shows potential in mitigating motor impairment and neuroinflammation in MPTP‐induced mice. (2) CCFM1029 intervention increases levels of the beneficial gut microbial metabolites indole‐3‐acrylic acid and SCFAs (acetic and butyric acid) and decreases levels of the neuroinflammation‐associated metabolite ...
Tiantian Li+6 more
wiley +1 more source
近年来,活性炭吸附技术逐渐成为深度处理的主流技术,但粉末活性炭投加系统仍处于人工控制阶段,现场需要技术人员依靠经验确定活性炭投加量,易造成出水水质不稳定、活性炭药耗大等问题.以浙江省嘉善县某城镇污水处理厂的深度处理工艺为研究背景,以粉末活性炭投加系统为研究对象,针对活性炭投加控制系统滞后、非线性、复杂等问题,建立了 BP神经网络前馈预测-PID反馈控制的自动投加控制系统.实践证明,该系统具有较强的自适应能力和较高的控制精度,出水COD达标率较人工控制提高了 8.88%,活性炭日均消耗量削减了 16.61%
FANGRongye(方荣业)+4 more
doaj +1 more source
±500 kV柔直电网与新能源和常规发电机组的协调控制研究 [PDF]
张北±500 kV四端柔直电网工程的送端张北站和康保站作为新能源外送的汇集站,分别连接大规模风电场群,受端北京站和丰宁站分别作为新能源消纳中心和柔直电网的功率平衡节点与华北地区交流电网相连接,丰宁站建有抽蓄机组为系统提供紧急功率支撑。整个工程结构复杂,风电场群出力间歇性、随机性大,柔直系统直流电压对多端有功功率的吞吐平衡量敏感性强,受端负荷中心对电能质量要求高,这为柔直换流器、新能源风电机组和抽蓄机组的控制提出了严峻挑战。针对三者的协调控制展开研究,为柔直送端换流器设计了带频率附加控制的V-f控制 ...
王炳辉+6 more
doaj +1 more source
Potholes, 311 reports, and a theory of heterogeneous resident demand for city services
Abstract Understanding the needs of residents is vital in public administration and management, as this helps officials when making choices on policies and service distribution. Increasingly, cities rely on 311 systems to elicit information from residents on emergent needs in particular policy areas (e.g., road quality, pest control).
Scott J. Cook+2 more
wiley +1 more source