Results 41 to 50 of about 285,503 (201)
Integrating biodiversity protection into emergency management
Conservation Biology, EarlyView.Abstract Megafires have emerged as a considerable threat to biodiversity conservation worldwide. The biodiversity‐focused response and recovery actions that occurred during Australia's 2019/2020 Black Summer bushfires demonstrate that it is possible to protect biodiversity alongside human life and property during disasters.
Jacey Roche Cerda +2 more
wiley +1 more source
, 2018 航空发动机静子叶片作为压气机的关键部分,对整个航空发动机的性能有着重大影响。采用轻量化纤维增强复合材料叶片,对实现减重、大推重比、高燃油效率起到关键作用。首先介绍了纤维增强树脂基复合材料叶片的设计流程和设计技术进展,然后从静子叶片预成型、成型和切削加工三方面讨论了制造工艺研究状况,并强调了前期设计在航空发动机冷端一体化发展中的重要性,最后通过对国外几种典型复合材料叶片的成功应用案例和当前设计技术以及成型工艺的发展趋势的分析,凸显了2.
史鹏程 +5 more
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Integrating migratory connectivity data into the conservation of Australian sharks and rays
Conservation Biology, EarlyView.Abstract Understanding migratory connectivity is important for conserving highly mobile marine species facing escalating threats. Establishing baseline information on migratory connectivity is necessary for identifying species and regions requiring transboundary cooperation for their conservation.
Diego F. Bezerra +9 more
wiley +1 more source
Zhongshan Daxue xuebao. Yixue kexue ban, 2010 【目的】 探讨影响非肌层浸润性膀胱尿路上皮癌复发的相关因素及其处理对策65377;【方法】 回顾性分析我院2003年1月到2008年12月161例非肌层浸润性膀胱尿路上皮癌患者临床随访资料,所有病例行经尿道膀胱肿瘤电切术,据术后复发率分析影响复发相关因素65377;【结果】 161例中, 45例术后复发,术后的总复发率为27.95%65377;肿瘤分级为G265380;G3级患者较G1级患者复发率高;肿瘤分期为T1期患者较Ta期患者复发率高;肿瘤多发患者较肿瘤单发患者复发率高 ...
doaj
, 2000 北魏时期(386-534)都城洛阳城永宁寺内建造木塔一座,高达百米。建成后 19年发生大火,经三个多月焚烧一空,仅余下一大堆土,历经1400多年的风雨而遗存。前十年洛阳考古部门发掘清理遗址,揭开土层,露出塔的柱基。笔者据此分析平面、参阅有关文献,以多年研究古塔之经验,推测当年木塔式样,作出复原图 ...
张驭寰
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International Journal of Applied Linguistics, EarlyView.ABSTRACT Many existing rubrics for L2 argumentative writing prioritize form‐based linguistic accuracy and complexity while insufficiently addressing substantive argumentative rigor and effectiveness. This limitation is further complicated by cross‐cultural variation in rhetorical conventions and educational practices, which challenge the direct ...
Zihan Xu, Peiyun Liu
wiley +1 more source
Zhongshan Daxue xuebao. Yixue kexue ban, 2008 【目的】 探讨原发性肝癌(以下简称肝癌)根治术后复发的相关危险因素。 【方法】 回顾性分析210例根治性切除肝癌患者的临床病理资料,采用Cox模型分析早?晚期复发病例临床病理因素与复发的关系。【结果】 126例患者出现复发(复发率60%),早期复发89例,占70.6%,以Ⅱ型为主,单因素分析显示瘤体直径?血管侵犯?手术切缘?微转移灶和肿瘤分化程度与术后早期复发相关,血管侵犯?微转移灶和病理分级是术后早期复发的独立危险因素;晚期复发37例,占29.4%,以Ⅰ型为主 ...
doaj
Zhongguo shiyan zhenduanxue, 2018 宫颈癌是危及女性健康的常见恶性肿瘤[1]。随着医疗技术的进步,宫颈癌早期筛查,诊断及治疗极大的提高了患者生存率[2]。但宫颈癌复发的治疗一直是一个难点。手术或放疗后复发的患者5年生存率仅为3.2%-13%[3]。而宫颈癌的二次复发能采取的治疗手段更为有限。现介绍1例经我院治疗的宫颈癌二次复发的患者,该患者复发病灶得到有效控制,毒副反应较轻,现报道如下。
张浩伟 +4 more
doaj
, 2011 本发明涉及一种新型的含有阻钒层的电解质隔膜在全钒液流储能电池中的应用；阻钒层由芳杂环聚合物膜构成，该复合膜的基膜为磺酸类阳离子交换膜；所述的复合膜可按如下方法制备：将磺酸型基膜置于0.05-10M的NaOH中直至H+被完全交换为Na+，从而得到钠型化的磺酸型基膜；将阻钒层在110-200℃下转压至钠型化的磺酸型基膜上得到双层膜，将得到的双层膜置于0.1-25mol/L的强酸溶液中酸处理，使阻钒层中的碱基与磺酸型基膜中的H+发生酸碱交联反应，最终得到双层复合膜。同时 ...
毕成 +4 more
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Exploring English Language Learners’ Vocabulary Knowledge and Usage When Speaking
International Journal of Applied Linguistics, EarlyView.ABSTRACT Vocabulary forms a fundamental component of speaking ability, as it enables speakers to convey meaning accurately, fluently, and effectively. Although the relationship between vocabulary and speaking has been investigated to some extent, gaps remain in understanding the link between learners’ vocabulary knowledge and their speaking proficiency,
Junyan Guo, Martin East
wiley +1 more source