Core Viewpoint - The article emphasizes the importance of balanced diet and exercise for achieving a healthy weight, while addressing common misconceptions about exercise that could hinder weight loss efforts and pose health risks [1] Group 1: High-Intensity Interval Training (HIIT) - HIIT is effective in improving cardiovascular function, body composition, and metabolic risk factors in obese individuals, but lacks evidence proving it is more effective than traditional aerobic exercise [2] - Health screening is recommended for overweight individuals before engaging in HIIT [2] Group 2: Fasting Exercise - Exercising on an empty stomach is more harmful than beneficial for overweight individuals, as it can lead to muscle breakdown and various health issues due to low blood sugar levels [3] Group 3: Sweating Suits - The use of sweating suits for exercise is dangerous, primarily resulting in water loss, which can lead to dehydration and heat-related illnesses, especially in overweight individuals [4] Group 4: Weekend Warriors - The practice of intense exercise only on weekends, known as "weekend warriors," is discouraged due to significantly increased risks of acute myocardial infarction and musculoskeletal injuries compared to regular exercisers [5] Group 5: Recommended Exercise Practices - Regular, gradual exercise aligned with the body's biological clock is advised to enhance effectiveness, with suggestions to train during times of higher cortisol levels for improved performance [6] - Aerobic exercises such as walking, swimming, and using stationary bikes are recommended for overweight individuals, while those with joint issues should consider low-impact activities like swimming [6]

碳酸锂：弱势震荡，关注矿端成交情况 | 邵婉嫕 投资咨询从业资格号：Z0015722 | shaowanyi@gtht.com | | --- | --- | | 刘鸿儒（联系人） 期货从业资格号：F03124172 | liuhongru@gtht.com | 【基本面跟踪】 碳酸锂基本面数据 | | | | T | T-1 | T-5 | T-10 | T-22 | T-66 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | 2507合约（收盘价） | 60,860 | -320 | -2,360 | -4,400 | -10,040 | -16,820 | | | | 2507合约（成交量） | 242,276 | 18,212 | 25,243 | 138,297 | 212,245 | 235,899 | | | | 2507合约（持仓量） | 339,673 | 3,866 | 45,447 | 83,382 | 216,831 | 315,612 | | | 盘面 | 2509合约（收盘价） | 62,100 | -4 ...

2025年05月20日 请务必阅读正文之后的免责条款部分 1 期货研究 商 品 研 究 商 品 研 究 国泰君安期货商品研究晨报-黑色系列 观点与策略 | 铁矿石：短期利多兑现，上涨驱动放缓 | 2 | | --- | --- | | 螺纹钢：原料继续下跌，偏弱震荡 | 3 | | 热轧卷板：原料继续下跌，偏弱震荡 | 3 | | 硅铁：成本或存下移，硅铁宽幅震荡 | 5 | | 锰硅：现货价格支撑，锰硅宽幅震荡 | 5 | | 焦炭：铁水下行，震荡偏弱 | 7 | | 焦煤：铁水下行，震荡偏弱 | 7 | | 动力煤：煤矿库存增加，震荡偏弱 | 9 | | 原木：弱势震荡 | 10 | 国 泰 君 安 期 货 研 究 所 2025 年 5 月 20 日 铁矿石：短期利多兑现，上涨驱动放缓 | | | 【基本面跟踪】 铁矿石基本面数据 | | | | 昨日收盘价(元/吨) | 涨跌(元/吨) | 涨跌幅 | | --- | --- | --- | --- | --- | --- | | 期货 | | | 736. 5 | -0.5 | -0. 07% | | | 12509 | | | 昨日持仓(手) | 持 ...

金 融 期 货 研 究 2025 年 5 月 19 日 期指：消息面依旧平淡，略偏弱震荡 | | | 毛磊 | | | 投资咨询从业资格号：Z0011222 | | maolei@gtht.com | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | 【期指期现数据跟踪】 | | | | | | | | | 期指数据 | | | | | | | | | | | 收盘价 | 涨跌幅% | 基 差 | 成交额-亿 | 成交量 | 变 动 | 持仓量 | 变 动 | | 沪深300 | 3889.09 | ↓0.46 | | 2088.4 | | | | | | IF2505 | 3886.6 | ↓0.55 | -2.49 | 144.3 | 12359 | ↓8006 | 0 | ↓19193 | | IF2506 | 3846 | ↓0.66 | -43.09 | 645.2 | 55823 | ↓4142 | 154933 | ↑1615 | | IF2509 | 3779.8 | ↓0.69 | -109.29 | 170.4 | ...

Core Viewpoint - The article highlights the significant advancements in China's aircraft strength research and verification over the past 60 years, emphasizing its critical role in ensuring the safety and performance of domestic aircraft like the C919 and AG600 [3][4][8]. Group 1: Development History - The strength research institute was established during the "Third Line Construction" period in 1964, marking a pivotal shift in China's aviation industry from repair to manufacturing and design [4][6]. - The first full-scale destruction test of the H-6 aircraft in 1968 demonstrated China's capability for large aircraft strength verification, marking a new phase in the country's aviation strength research [4][6]. - Over the past six decades, the institute has evolved from a single focus on strength testing to a multi-faceted approach that includes manuals, guidelines, standards, and tools [8]. Group 2: Testing Capabilities - The institute has developed a "building block" testing capability system that includes full-scale static, fatigue, and ground vibration tests, ensuring comprehensive validation of aircraft structures [6][7]. - It has completed hundreds of full-scale tests and thousands of large component tests, supporting the development of key aircraft such as the J-20, Y-20, C919, and AG600 [8]. Group 3: Climate Environment Laboratory - After 15 years of research, the institute established a climate environment laboratory that is internationally leading, capable of simulating extreme weather conditions for aircraft testing [9][10]. - This laboratory can recreate 12 types of extreme climate conditions, significantly enhancing the testing capabilities for aircraft adaptability [10][11]. Group 4: Software Development - The institute has developed the SABRE structural analysis software system, which supports various engineering and structural strength needs, breaking the reliance on foreign software [12]. - This software has been applied across multiple industries and has resolved numerous challenges in aircraft development [12]. Group 5: AG600 Aircraft Development - The AG600 amphibious aircraft, designed for both land and water operations, received its type certificate from the Civil Aviation Administration of China, marking a significant achievement in its development [16][19]. - The strength institute played a crucial role in verifying the structural integrity of the AG600, addressing unique challenges posed by its dual-environment functionality [19][20].

相关企业：湘电集团有限公司、中环动力（北京）重型汽车有限公司、本溪北方机械重汽有限责任公 司、中航别拉斯矿山机械有限公司、小松（常州）工程机械有限公司、泰安航天特种车有限公司 关键词：矿用车行业产业链、矿用车行业发展现状、矿用车行业发展趋势 内容概况：近年来，我国矿用车行业市场规模呈现稳步增长的态势。随着国内矿业的持续发展，矿用车 作为矿区运输的关键设备，其市场规模不断扩大。2023年，我国矿用车行业市场规模约为686.66亿元， 到2024年，我国矿用车行业市场规模上涨至736.79亿元，同比增长7.3%。经过多年的发展，我国矿用车 的产品质量有了显著提升。从原材料的选用到生产制造工艺的控制，再到成品的检测验收，各个环节都 更加严格。未来，随着我国对矿产资源需求的持续增长，矿业的发展将进一步推动矿用车市场规模的扩 大。 相关上市企业：北方股份（600262）、三一重工（600031）、同力股份（834599）、徐工机械 （000425）、宇通重工（600817） 一、矿用车行业定义及分类 矿用车是专为矿山开采、运输等作业设计的特种车辆，主要应用于各类矿山（如煤矿、金属矿、非金属 矿等）井下或露天开采环境，用 ...

PreSelect团队 投稿 量子位 | 公众号 QbitAI vivo自研大模型用的数据筛选方法，公开了。 香港科技大学和vivo AI Lab联名提出 PreSelect ，目前已被ICML 2025接收。 这是一种轻量级且高效的数据选择方法：只需要训练和部署一个基于fastText的评分器，就可以减少10倍的计算需求。 该方法提出数据的 预测强度 (Predictive Strength) 的概念和计算公式，利用在不同模型上Loss有序性表征数据对特定能力的贡献，通过获 取特定能力的有效样本训练fastText分类器对全量训练数据进行筛选。 △ 论文标题：Predictive Data Selection: The Data That Predicts Is the Data That Teaches PreSelect：更客观、更轻量 现有的数据筛选方法主要分为两类：基于规则的筛选和基于模型的筛选。 基于规则的筛选依赖人工构建的先验规则，如C4 pipeline、Gopher rules，以及RefinedWeb和FineWeb的数据筛选流程。此类方法虽然实 现简单，但容易受到人工经验的限制，存在泛化 ...

2025 年 5 月 14 日 生猪：等待矛盾释放，短期博弈 | 周小球 | | 投资咨询从业资格号：Z0001891 | | zhouxiaoqiu@gtht.com | | --- | --- | --- | --- | --- | | 吴昊 | | 投资咨询从业资格号：Z0018592 | | wuhao8@gtht.com | | 【基本面跟踪】 | | | | | | 生猪基本面数据 | | | | | | | | 单 位 | 价 格 | 同 比 0 | | 价 格 | 河南现货 | 元/吨 | 15000 | | | | 四川现货 | 元/吨 | 14550 | 0 | | | 广东现货 | 元/吨 | 15190 | -50 | | | | 单 位 | 价 格 | 比 同 | | | 生猪2507 | 元/吨 | 13575 | 50 | 资料来源：国泰君安期货 【趋势强度】 趋势强度：0 注：趋势强度取值范围为【-2,2】区间整数。强弱程度分类如下：弱、偏弱、中性、偏强、强，-2 表示最看空，2 表示最看多。 【市场逻辑】 虽然现阶段南北肥标价差均倒挂，集团仔猪售卖减少，5 月栏圈压力略有增强 ...

商 品 研 究 碳酸锂：需求改善有限叠加矿价暂未止跌，偏弱震 荡格局或延续 邵婉嫕 投资咨询从业资格号：Z0015722 shaowanyi@gtht.com 刘鸿儒（联系人） 期货从业资格号：F03124172 liuhongru@gtht.com 【基本面跟踪】 碳酸锂基本面数据 | | | | T | T-1 | T-5 | T-10 | T-22 | T-66 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | 2507合约（收盘价） | 63,220 | -820 | -2,040 | -5,080 | -7,320 | -16,380 | | | | 2507合约（成交量） | 217,033 | -96,901 | 113,054 | 112,649 | 177,644 | 213,365 | | | | 2507合约（持仓量） | 294,226 | 9,895 | 37,935 | 81,770 | 201,928 | 273,328 | | | 盘面 | 2509合约（收盘价） | 64,520 | -680 | ...

2025 年 05 月 13 日 产 业 服 务 研 究 所 合成橡胶：宏观修复，偏强运行 杨鈜汉 投资咨询从业资格号：Z0021541 yanghonghan025588@gtjas.com 【基本面跟踪】 合成橡胶基本面数据 | 项目 | | 项目名称 | | 昨日数据 | 前日数据 | 变动幅度 | | --- | --- | --- | --- | --- | --- | --- | | 期货市场 | 顺丁橡胶主力 （06合约） | 日盘收盘价 | （元/吨） | 11,820 | 11,450 | 370 | | | | 成交量 | （手） | 189,461 | 110,734 | 78727 | | | | 持仓量 | （手） | 25,672 | 24,120 | 1552 | | | | 成交额 | （万元） | 1,092,299 | 633,946 | 458352 | | 价差数据 | 基差 | 山东顺丁-期货主力 | | -70 | 250 | -320 | | | 月差 | BR05-BR06 华北顺丁 | （民营） | -20 | 130 | -150 200 | | | 顺丁价 ...