Results 61 to 70 of about 5,834,879 (181)
Gongye shui chuli, 2021 就一种废液中溶解性难生物降解化学需氧量的测定评价方法进行介绍。参考生物膜法中接触氧化法的挂膜废水处理方式，搭建小型循环系统。采用基于生物膜法的动态循环法对溶解性难生物降解化学需氧量进行测定并评价其降解特性。通过对装置的循环流速调节、接种挂膜培养、驯化、清洗、测试，并经不同实验室验证，校核参比样品降解率达96%以上，平行试验测定绝对差值与算术平均值之比为1.01%、1.33%。试验验证结果表明，采用该方法测定废液中的溶解性难生物降解化学需氧量是可行的。该方法适于废液中溶解性难生物降解化学需氧量的评价 ...
彭义华 +6 more
doaj
Running With Scissors? Integrating GPT Models Into Public Policy Research
Policy Studies Journal, EarlyView.ABSTRACT The integration of large language models (LLMs) into public policy research presents both exciting opportunities and methodological challenges. This research note explores how OpenAI's GPT can be used to semi‐automate the annotation of legislative testimony within the Advocacy Coalition Framework, focusing on emotion‐belief dyads.
Giulia Mariani, Allegra H. Fullerton
wiley +1 more source
, 2008 该文把物理化学教学与化工专业的专业特点结合起来,从教学方法、手段、内容等方面介绍了物理化学教学过程中的一些具体做法,教学实践表明:将多种教学方法、手段和教学内容有机结合,有效激发了学生学习兴趣 ...
蓝丽红
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Pollution and Haunted Eco‐Histories: Silent Hill and Silent Horrors in Centralia, Pennsylvania
Popular Culture Review, Volume 37, Issue 2, December 2026.ABSTRACT Centralia is a former mining town and borough in Northeastern Pennsylvania, whose population has been steadily declining since the Mine Fire of 1962—a fire that still burns today. The “horrors” of living in Centralia are reflected in horror media set in postindustrial mining towns like Silent Hill.
Maz Jardon
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2012 目的探讨ELISA两步法、化学发光法、荧光定量PCR定量技术对HBsAg阴性及弱反应性标本的检测及其临床意义,为提高临床检测准确率提供借鉴。方法收集医院门诊和住院受检者经ELISA一步法检测的乙肝两对半4种模式标本（模式1:仅HBeAb阳性;模式2:仅HBcAb阳性;模式3:HBcAb阳性和HBeAb阳性;模式4:HBsAg均为弱反应性的标本）,用ELISA两步法及化学发光法检测,再对经化学发光法检测HBsAg结果为阳性的标本用FQ-PCR检测乙肝病毒DNA载量。结果仅HBeAb阳性的标本,共2例 ...
刘荣静, 林秀珍, 吴晓蔓
doaj
广西民族大学2018年硕士研究生入学考试初试自命题科目试题：民事诉讼法与行政诉讼法学
, 2018 广西民族大学2018年硕士研究生入学考试初试自命题科目试题：民事诉讼法与行政诉讼法学；试卷代号 ...
广西民族大学法学院
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Typological Classification and the Chronology of Iron Age pottery in central-southern Britain [PDF]
, 2012 Pottery has been one of the most popular artefacts in the study of the Iron Age in central-southern Britain because of its advantages of commonality, durability and volume.
NISHITANI, AKIRA
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Sexuality, Gender &Policy, Volume 9, Issue 4, November 2026.ABSTRACT This study explores how 2SLGBTQ+ youth in Alberta, Canada—the country's most Conservative province—mobilize queer joy as a form of resistance amid rising anti‐queer and anti‐trans policies under a settler colonial, cisheteropatriarchal regime. Drawing from youth‐produced collages, we demonstrate that this visual arts‐based participatory method
JJ Wright, Gillian Robinson
wiley +1 more source
Gongye shui chuli, 2002 在开采海洋油田时产生的废水, 由于其含有苯系衍生物和多环芳烃化合物及氯离子, 用生化降解法难以使其COD值达到我国有关法规规定的一级排放标准。用电化学氧化法处理某海洋油田废水, 能使其COD值降至一级排放标准以下。用钛基钌铱锰锡钛多元氧化物涂层电极作阳极, 钛作阴极, 测定上述污水的电化学氧化指数 (ElectrochemicalOxidationIndex)为 0.228, 电化学耗氧量 (ElectrochemicalOxygenDemand)为 1.794 g/g(以有机物计 ...
李海涛, 朱其佳, 祖荣
doaj +2 more sources
, 2010 本发明涉及一种朝藿定C化学对照品的分离制备方法。以含量为10％-50％的淫羊藿苷提取物为原料，经初步柱分离，以制备型高效液相色谱为主要分离手段，通过两步高效液相制备，提取液直接减压浓缩至干即可获得纯度大于98％的朝藿定C化学对照品。相比已报道朝藿定C的分离制备方法，本发明工艺步骤简单、纯度高、色泽好，并且可大规模生产 ...
王莉, 肖红斌, 左爱华
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