共查询到20条相似文献,搜索用时 62 毫秒
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1000t/a丙酸钙生产装置 总被引:1,自引:0,他引:1
针对目前我国食品及饲料防腐剂使用与生产上存在的问题,介绍了该公司技术中心设计1000t/a丙酸钙生产装置的工艺、设备及各项指标。 相似文献
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茂名30万t/a乙烯工程5万t/a合成橡胶装置 总被引:1,自引:0,他引:1
《合成橡胶工业》1995,18(3):186-187
茂名30万t乙烯工程是由中国石化总公司和广东省合资兴建的国家“八五”计划重点建设项目,它的建设对于改善我国石化工业的布局,加强与港澳及国外贸易往来,发展广东省地方经济,都有着重要的意义.为减少建设投资和合理利用资源,茂名乙烯工程将以茂名石化公司为依托.乙烯工程将建设10套主 相似文献
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《制药原料及中间体信息》2005,(10):27-28
嘉里粮油公司10万t/a脂肪酸装置已于2005年4月28日在上海投产.该装置位于上海浦东新区高东经济园区。该项目是大型油脂加工项目,其中6万t/a脂肪酸作为商品出售,4万t/a制成皂粒出售。该项目占地30万m^2.总投资3亿美元,共建有南海特种油脂工业(上海)有限公司等4家公司。 相似文献
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综述了近年来叠氮化钠在有机合成中的应用,包括四唑类化合物的合成、三唑类化合物的制备、用Curtius重排反应合成异氰酸酯、叠氮化合物的合成、转化羧酸成氨基甲酸酯、与环烯酮反应生成β-叠氮羰基化合物、合成1-芳基-1 H-苯并三唑、酰胺的合成、β-叠氮酮的合成、合成3-氰基吲哚、叠氮化开环反应、作还原剂还原1,4-苯醌成氢醌等. 相似文献
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Lachezar Radev Mariana Khristova Dimitar Mehandjiev Biserka Samuneva 《Catalysis Letters》2006,109(3-4):181-186
A catalyst with an ultra high iridium load was prepared using a method involving multiple impregnations. The obtained iridium
catalyst contained between 29 and 35 wt% of 2 nm-sized nanoparticles dispersed on a support such as reinforced alumina, bauxite
and precipitated alumina. XAFS suggested a possible structural model of Ir4 surrounded by oxygen. The decomposition of hydrazine hydrate to its elements was used as a probe reaction. The results showed
that a catalyst support with a high mechanical strength such as reinforced alumina and bauxite is essential for sustaining
the decomposition reaction of hydrazine hydrate where there is a high degree of mechanical and thermal shock. The decomposition
reaction of hydrazine monohydrate (N2H4 · H2O) proceeded rapidly to generate a COx-free hydrogen-rich gas through contact with the iridium catalyst at room temperature. 相似文献
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介绍了建设10万t/a工业液体水玻璃生产装置财务评价内容,经财务盈利能力分析、清偿能力分析和敏感性分析,做出财务评价结论。 相似文献
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对国外先进的水合肼生产工艺——拜尔工艺和pcuk工艺作了介绍和总结,并与传统的老工艺——腊希工艺及尿素法作了技术经济上的对比。最后分析了国内水合肼生产技术与国际先进水平的差距,指出了国内水合肼生产技术发展和进步的方向。 相似文献
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Nina Eiermann Georg Stoecklin Bogdan Jovanovic 《International journal of molecular sciences》2022,23(10)
Mitochondrial stress is involved in many pathological conditions and triggers the integrated stress response (ISR). The ISR is initiated by phosphorylation of the eukaryotic translation initiation factor (eIF) 2α and results in global inhibition of protein synthesis, while the production of specific proteins important for the stress response and recovery is favored. The stalled translation preinitiation complexes phase-separate together with local RNA binding proteins into cytoplasmic stress granules (SG), which are important for regulation of cell signaling and survival under stress conditions. Here we found that mitochondrial inhibition by sodium azide (NaN3) in mammalian cells leads to translational inhibition and formation of SGs, as previously shown in yeast. Although mammalian NaN3-induced SGs are very small, they still contain the canonical SG proteins Caprin 1, eIF4A, eIF4E, eIF4G and eIF3B. Similar to FCCP and oligomycine, other mitochodrial stressors that cause SG formation, NaN3-induced SGs are formed by an eIF2α phosphorylation-independent mechanisms. Finally, we discovered that as shown for arsenite (ASN), but unlike FCCP or heatshock stress, Thioredoxin 1 (Trx1) is required for formation of NaN3-induced SGs. 相似文献