1 肾结石是怎么出现的？ 肾结石是存在于肾脏中的矿物质沉积物，由晶体和有机基质组成，当尿液中的某种矿物质过饱时，就形成了结石。其中，以草酸钙结石最为常见，其次是 磷酸钙结石、尿酸结石、磷酸铵镁结石和胱氨酸结石等。 预防肾结石复发需要对日常饮食和生活方式进行干预，并且要及时使用针对结石类型的药物进行治疗。 不少人都有过腰疼的经历，但有一种腰疼会让人直不起腰，甚至伴有恶心、呕吐等症状，背后的"捣蛋鬼"可能是肾结石。 肾结石是怎么造成的？患者饮食和生活需要注意什么？一起了解↓↓↓ 2 肾结石患者要怎么吃？ ■ 这些食物要少吃 高草酸食物：草酸是促进形成草酸钙结石的重要因素。草酸高的食物吃起来通常比较涩口，常见含草酸较高的食物有：菠菜、马齿苋、苋菜、甜菜、鲜 笋、杨桃、芝麻、可可粉。 研究显示，焯水或煮沸处理可去除大量草酸。 180g菠菜置于1000ml沸水中焯1分钟，草酸去除率为43%。 若煮沸1分钟、2分钟、3分钟、4分钟，草酸去除率分别为43%、50.1%、54.7%、58.9%，煮后记得倒掉汤水以减少草酸摄入。 高嘌呤食物：动物内脏、海鲜、浓肉汤等，嘌呤代谢会产生尿酸，易促进形成尿酸结石。 高盐食物：腌制食品 ...

（来源：经济参考报） 2025年，非洲经济在多重外部冲击逐步消退中呈现温和修复态势，但不同国家和地区间恢复节奏与质量 差异明显。总体来看，非洲经济在稳住基本盘的同时，分化特征进一步显现，一些结构性调整和转型举 措正在推进，为后续发展积蓄动能。 从区域看，受益于投资增长及农业和能源基础设施建设，2025年东部非洲经济保持相对稳健，预计2025 年至2026年增速约5.9%。西部非洲呈改革与阵痛并存局面，能源补贴和汇率机制改革短期推高通胀， 但有助于改善财政可持续性。南部非洲部分国家经济恢复相对缓慢，电力短缺、物流不足和结构性失业 仍制约增长潜力。 结构性变化方面，能源、数字经济和农业领域进展明显。非洲新增发电装机中可再生能源占比持续提 升，肯尼亚、埃塞俄比亚加快发展地热、风能和太阳能，缓解电力瓶颈并服务于工业和民生。数字经济 已从移动支付普及阶段迈入制度与应用深化阶段，电子政务、数字税收和金融科技监管体系不断完善。 农业和粮食安全被提升至政策重点，气候变化和极端天气推动各国加大对灌溉、冷链和农产品加工的投 入，延伸农业价值链。 2025年，非洲对外经济合作总体保持稳定并呈现多元化格局。与欧美、亚洲及中东等主要经 ...

12月29日至30日，中央农村工作会议在北京召开。这次重要会议研究部署了哪些农业农村重点工作？河 南下一步如何发力？记者第一时间采访了有关专家，深入解读会议精神。 夯实粮食安全"压舱石" 保障粮食和重要农产品稳定安全供给始终是建设农业强国的头等大事。中央农村工作会议指出，要稳定 粮油生产，加力实施新一轮千亿斤粮食产能提升行动，推动粮食品种培优和品质提升。河南农业大学教 授、农业农村部小麦专家指导组和防灾减灾专家指导组顾问郭天财认为，河南作为全国第二粮食生产大 省、第一小麦生产大省，在保障国家粮食安全中具有举足轻重、不可替代的战略地位，必须牢记嘱托、 勇担使命，以实际行动落实党中央决策部署，在新一轮千亿斤粮食产能提升行动中勇担重任。要毫不放 松抓实抓好粮食生产，聚焦粮油大面积单产提升这个核心目标，统筹推进良田、良种、良机、良法"四 良"深度融合，全面提升粮食综合生产能力和质量效益。同时，要大力发展科技农业、绿色农业、质量 农业、品牌农业，持续擦亮粮食生产"河南名片"。 智慧气象赋能现代化农业 智慧气象是现代农业发展的重要保障，中央农村工作会议明确，强化气象监测预报预警，增强农业防灾 减灾能力。河南省气象科学研究 ...

Core Insights - The implementation of the zero-tariff policy has significantly benefited enterprises in Shandong, with 459 companies enjoying a total tax reduction of 820 million yuan from imports from least developed countries [2][3][4]. Group 1: Policy Impact - Since December 1 of last year, China has granted zero-tariff treatment to all products from 33 African countries and other least developed countries, marking a significant step in promoting high-level opening-up [2]. - The zero-tariff policy has led to a substantial increase in the utilization rate among enterprises, reaching 94%, although some companies still face challenges in fully benefiting from the policy [4][5]. Group 2: Company Benefits - Yihai Kerry (Qingdao) saved 153,000 yuan in import duties on 196 tons of sesame imported from Niger, with total savings of 19.68 million yuan from nearly 200 million yuan worth of sesame imports from Africa [2][3]. - Pulins Chengshan (Shandong) Tire Co. reported a 15% increase in natural rubber prices this year, but the zero-tariff policy has helped reduce production costs by 5% to 10%, resulting in a tax reduction of 23.795 million yuan [3]. Group 3: Challenges and Solutions - Some companies, like Agricultural Benefit (Qingdao), faced issues with the zero-tariff policy due to the need for specific documentation, resulting in 13.993 million yuan of sesame imports not benefiting from the policy [4]. - Qingdao Customs has implemented measures such as simplifying documentation and enhancing communication to help companies overcome barriers to enjoying the benefits of the zero-tariff policy [5]. Group 4: Industry Development - The hair product industry in Juancheng, Shandong, has seen significant growth, with 68 companies benefiting from a tax reduction of 41.56 million yuan this year due to the zero-tariff policy on human hair imports [6]. - The zero-tariff policy has fostered a low-cost cross-border logistics environment, enabling companies to optimize their supply chains, with a reported 260% increase in the import value of human hair from least developed countries [6].

Group 1 - The implementation of a zero-tariff policy for products from least developed countries (LDCs) is expected to significantly boost the import of high-quality agricultural products, such as sesame from Africa and rice from Myanmar, into the Chinese market [1][2][3] - Dongguan Dingzhi Food Co., Ltd. reports that 90% of its sesame usage comes from imports from LDCs, with over 7,000 tons imported through Huangpu Customs from Africa in 2023, benefiting from an estimated tariff reduction of approximately 7.7 million yuan annually [2][3] - The zero-tariff policy has also positively impacted products under tariff quota management, allowing companies to enjoy further cost reductions on imports, such as the 4,800 tons of rice imported from Myanmar, which has resulted in a tariff benefit of about 150,000 yuan [3] Group 2 - Huangpu Customs has facilitated the import of agricultural products from LDCs by establishing a "green channel," ensuring efficient customs clearance and prioritizing inspection and certification for key imported goods [3] - The total value of imports benefiting from preferential treatment under the zero-tariff policy reached 1.3 billion yuan from January to November 2023, resulting in a tax reduction of 60 million yuan for enterprises [3] - Continuous policy promotion and tailored guidance for enterprises are being conducted to ensure that businesses fully utilize the benefits of the zero-tariff policy and related customs services [4]

Core Insights - The "2025 Chengdu Import Carnival" series, organized by Chengdu's Commerce Bureau, aims to enhance Chengdu's status as an international consumption center and stabilize import-export trade through various themed activities and global supply-demand matching events [2][12] Group 1: Consumer Experience - The carnival features immersive experiences, such as the introduction of "Country Recommendation Officers" to share cultural stories behind imported goods, and a comprehensive guide for consumers to navigate import shopping [3] - During the Mid-Autumn Festival and National Day, the "Golden Autumn Global Gathering" event showcased over 20 import merchants, creating vibrant consumer experiences across various districts [5] - Efficient international trade channels allow for rapid delivery of imported goods, exemplified by Norwegian salmon reaching consumers in Chengdu within 48 hours and Thai durians arriving in 72 hours [5] Group 2: Business Collaboration - The carnival serves as a high-level platform for trade cooperation, with two supply-demand matching events held in Chengdu and Shanghai, leveraging the influence of the China International Import Expo [6] - Significant partnerships were formed during these events, including agreements for a direct sourcing platform and strategic collaborations with international companies [9] Group 3: Market Confidence - The success of the carnival reflects the confidence of international brands and local enterprises in the Chengdu market, with extensive media coverage and online promotions achieving millions of exposures [10] - Local importers are optimistic about the market's potential, with plans to enhance their presence and product offerings in response to consumer demand for high-quality imports [10][11]

Group 1: Tax Policy Impact - From December 1, 2024, China will implement a zero tariff policy on 100% of products from least developed countries that have diplomatic relations with China, enhancing trade opportunities [1] - The zero tariff policy is expected to significantly boost the competitiveness of Ethiopian coffee in the Chinese market, with exports growing at an annual rate of 27% [2][3] - The policy is anticipated to increase the production capacity and export capabilities of African countries, leading to higher revenues from exported products [3] Group 2: Industry Developments - Ethiopia exported over 34,000 tons of coffee to China in the 2024/2025 fiscal year, generating over $218 million in revenue [2] - The introduction of zero tariffs has allowed Ethiopian coffee producers to enhance their price competitiveness, leading to increased export volumes and higher incomes for local farmers [2] - The sesame trade from Mozambique to China has become more efficient, with direct sourcing channels improving the supply chain and product quality [4][5] Group 3: Company Insights - Triangle Tire Co., Ltd. has benefited from the zero tariff policy, with the import tariff on natural rubber from Liberia reduced from 20% to zero, saving approximately 300,000 yuan [6][7] - The company has utilized cost savings to invest in research and development, resulting in the creation of energy-efficient tires suitable for electric vehicles [7] - In the first ten months of the year, the company exported goods worth 4.8 billion yuan, reflecting the positive impact of the tariff reductions on business operations [7]

Core Insights - The agricultural sector in the Gadaref state is facing significant challenges due to insufficient rainfall and pest infestations, particularly affecting sunflower crops [1] - Over 80% of farmers have shifted from sesame cultivation to peanut farming due to a drastic reduction in sesame planting area caused by mosquito infestations [1] - In contrast, the Senar, Blue Nile, and South Kordofan states have experienced abundant rainfall, leading to successful harvests of sesame and sorghum [1] Summary by Category - **Weather Impact** - Insufficient rainfall in the western region of Gadaref state has severely impacted sunflower crops, a key winter economic crop [1] - **Pest Infestation** - Mosquito infestations have led to a significant decline in sesame planting, prompting over 80% of farmers to switch to peanut cultivation [1] - **Regional Comparison** - Senar, Blue Nile, and South Kordofan states have benefited from good rainfall, resulting in favorable harvests of sesame and sorghum this year [1]

Core Insights - The eighth China International Import Expo (CIIE) concluded, highlighting the "Silk Road E-commerce" cooperation and the launch of the 2025 National "Silk Road Cloud Products" E-commerce Month [1] Group 1: Event Highlights - The "Silk Road E-commerce" cooperation innovation development promotion meeting attracted nearly 100 overseas exhibitors and 27 local e-commerce, logistics, and financial service institutions in Shanghai [1] - The event facilitated precise matchmaking to assist overseas companies in entering the Chinese market [1] Group 2: Participant Feedback - A Bolivian agricultural exhibitor reported a 50% increase in exports since participating in the first CIIE, primarily exporting sesame and chia seeds to China [3][5] - European companies are increasingly recognizing new opportunities to assist Chinese enterprises in expanding overseas [5] Group 3: Policy and Innovation - Since October 2023, Shanghai has initiated the "Silk Road E-commerce" cooperation pilot zone, resulting in 10 institutional innovations, with 12 measures like "cross-border electronic invoice interoperability" being replicated nationwide [8] - The Shanghai Municipal Commission of Commerce emphasized the synergy between the "Silk Road E-commerce" pilot zone and the CIIE, promoting the transformation of exhibits into commodities and enhancing collaboration with Silk Road partner countries [10]

Core Insights - The eighth China International Import Expo (CIIE) showcased China's commitment to high-level opening-up and its role in providing new opportunities for global development [1][2] - The event highlighted the importance of multilateralism and cooperation among nations to overcome global economic challenges [1] - The expo featured participation from 67 countries and regions, with significant attendance from leaders and high-ranking officials [1] Group 1: Economic Opportunities - The CIIE facilitated practical outcomes, such as coffee cooperation between Brazil and Chinese enterprises, and a shrimp trade agreement between Honduras and China [2] - The introduction of a dedicated section for least developed countries saw participation from 163 companies, marking a 23.5% increase year-on-year [2] - The event demonstrated the strong market appeal of China, with major brands like L'Oréal showcasing numerous new products and innovations [2][3] Group 2: Trade and Investment - The total intended transaction amount reached $83.49 billion, a 4.4% increase from the previous year, setting a new historical record [3] - The expo served as a platform for various activities aimed at promoting trade, investment, and consumption, enhancing the synergy among these sectors [3] - Companies like Sonova highlighted their commitment to the Chinese market, emphasizing local investment and the establishment of comprehensive service systems [3]