Results 21 to 30 of about 27,586 (214)
Shuitu Baochi Xuebao, 2006 以保护性耕作长期定位试验为研究对象，分析了保护性耕作对土壤不同层次的总碳、活性碳的影响，并计算了各处理的碳库活度、碳库活度指数和碳库管理指数。结果表明，土壤总有机碳和活性碳均随土层的增加而减少，其0～30cm平均总有机碳含量大小为旋耕〉免耕〉翻耕〉对照，秸秆还田提高土壤耕层总有机碳，旋耕和免耕提高表层土壤有机碳．且差异达到显著水平；土壤活性碳平均含量为旋耕〉翻耕〉对照〉免耕，旋耕和翻耕提高土壤活性碳，免耕则降低土壤活性碳，尤其是10～20cm土层活性碳比旋耕下降了27．33％。华北平原0 ...
李琳, 李素娟, 张海林, 陈阜
doaj +2 more sources
Control of Carbon and Sulfur Content in Electroslag Remelting Pure Iron
Teshugang, 2010 The main reasons of 5 t ingot carbon-pickup and low desulphurization ratio for pure iron during electroslag remelting (ESR) process are analyzed. With the process measures including to replace original remelting slag (% ) ~70 fluorite, ~30 alumina powder,
赵昱臻 +4 more
doaj
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Electromagnetic wave absorption materials require high dielectric loss and excellent impedance matching performance. However, current conventional biomass‐derived electromagnetic wave absorption materials are still limited by low electrical conductivity and a single structure.
Yue Zhang +9 more
wiley +1 more source
Effect of Carbon, Ferrosilicon and Silicon Carbide on Scheelite Reduction Kinetics
Teshugang, 2007 The research of effect of carbon powder, ferrosilicon (75% Si) powder and silicon carbide powder on scheelite (67. 25% W03) powder reduction kinetics has been carried out by 15 kW carbon tube furnace in laboratory.
郭培民, 赵沛, 李正邦
doaj
Study on Urate-Lowering Effects of Sugarcane Polyphenol in Hyperuricemic Rats(甘蔗多酚对高尿酸血症大鼠的降尿酸作用研究) [PDF]
Shipin kexue jishu xuebaoIncreasing dietary intake of bioactive substances with urate-lowering activity to prevent or alleviate hyperuricemia is a current research hotspot in the functional food field.
LI Kexin(李柯欣) +6 more
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Revista Geografia, Literatura e Arte, 2018 A crise do conhecimento científico indica a necessidade de repensarmos o modelo uniforme de seu discurso na direção da abertura ao diálogo com outras linguagens e instâncias do saber humano, como a filosofia e, principalmente, as artes. Partindo desse pressuposto, faremos uso de alguns trechos do livro gráfico Do Inferno para analisarmos as ...
Cláudio Bento O. Ferraz +1 more
openaire +2 more sources
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Cross‐scale assembly of metal (sub) nanoparticles and/or single atoms into millimeter/nanostructured metal monolithic catalysts (Min‐SMCs) is highly appealing for sustainable water cleanup, due to energy‐efficient catalyst recyclability, high infrastructure compatibility, and low metal‐releasing risks.
Jia‐Cheng E. Yang +4 more
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT To address the demand for high‐temperature stability, broadband strong absorption, and multifunctional integration of electromagnetic wave absorbing materials in complex service environments, lightweight molybdenum disulfide (MoS2) decorated silicon carbide (SiC) nanofiber composite aerogels with a directional layered interconnected structure ...
Zhi Song +4 more
wiley +1 more source
Shuitu Baochi Xuebao, 2019 为阐明不同土地利用类型土壤碳（C）、氮（N）、磷（P）生态化学计量学特征，对福州农田不同土地利用类型（水稻田、菜地和茉莉园）下的土壤全碳（TC）、全氮（TN）、全磷（TP）含量及其生态化学计量学特征进行测定和分析。结果表明：土壤TC含量均值基本表现为水稻田 > 菜地 > 茉莉园（P 菜地 > 茉莉园（P 水稻田 > 茉莉园 ...
刘旭阳 +5 more
doaj
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Semiconductor photocatalysis represents a pivotal frontier in the quest for sustainable energy and environmental remediation. Among the diverse catalytic materials, Bismuth Oxychloride (BiOCl) has emerged as a particularly promising candidate due to its unique layered structure, featuring [Bi2O2]2+ layers intertwined with halogen ions, which ...
Liu Han +5 more
wiley +1 more source