对于厨房新手来说，在美食烹饪过程中总会遇到各种各样的"难题"。比如，如何用一根筷子测油温？不同烹饪方式的对应油温是多少？炖肉产生的浮沫 是精华还是"脏东西"？本期《人民优选来了》为您解答。 指导专家：中国健康促进与教育协会营养素养分会副秘书长、注册营养师吴佳 审核专家：中国健康促进与教育协会营养素养分会副秘书长、注册营养师 编辑:张慧丹、陈子源 制图: 张慧丹 0人民优选 如何用一根筷子 分辨油温几成热? 二成油热 油温介于0℃~30℃。此时把筷子放入油中，不会有什么反 应。 三、四成油热 油温介于85℃~120℃。此时油面泛起白泡，无声响和青 烟，筷子置于油中，周围会出现细小气泡。 五、六成油热 油温约为120℃~180℃。此时油面向四周翻动，微有青烟 升起,筷子周围气泡变得密集,但没响声，原料下油后， 周围有大量气泡，并伴有哗哗声。 七、八成油热 力、十成油执 油烟密、有灼热的热气，青烟四起并向上冲，即将到达燃 点，油温约240℃~300℃。原料入锅后，有大泡翻腾，并 伴有爆破声。 0人民优先 不同油温 适合哪些烹饪方式? 二成油热 / 适合炸坚果类食物,如油炸花生米、油酥腰果,也适合炒 酱料等。 三、四 ...

Group 1: Agricultural Development - The integration of technology in agriculture has led to a mechanization rate of over 99% in Jiamusi, with six counties recognized as national demonstration counties for full mechanization of major crops [3][4] - The introduction of Beidou navigation systems in rice planting has increased daily operational capacity from 30 acres to 45 acres, showcasing significant efficiency improvements [3] - Jiamusi's total grain crop output reached 23.358 billion pounds in 2024, marking a 2.2% year-on-year increase, achieving 21 consecutive years of growth [4] Group 2: Industrial Transformation - Jiamusi Electric Motor Co., Ltd. has undergone a digital transformation, resulting in annual cost savings exceeding 12 million yuan and a production efficiency increase of over 20% [5] - The company has developed a high-temperature gas-cooled reactor unloading system, providing a revolutionary solution for fourth-generation nuclear power plants [5] - From 2018 to 2024, the number of industrial enterprises in Jiamusi increased from 226 to 442, with a year-on-year industrial output value growth of 12.7% in the first five months of 2024 [6] Group 3: Urban Development and Quality of Life - Jiamusi has initiated the "Seven Gatherings and Seven Improvements" program, focusing on urban renewal and enhancing public amenities, resulting in the creation of pocket parks and improved public spaces [7][9] - The city has implemented various infrastructure projects, including drainage and heating network upgrades, to enhance the quality of life for residents [7] - The transformation of old neighborhoods has improved living conditions, with 6,393 new public parking spaces and 120 households receiving safety modifications for elderly residents [9]

Group 1 - The 34th Harbin International Economic and Trade Fair has commenced, attracting numerous merchants and showcasing products with local characteristics from Huanan County [1][3] - Huanan County, known as the "Hometown of Perilla," presented its innovative development achievements in the perilla industry chain, featuring products like perilla oil and perilla eggs [3][5] - Huanan Nongshengyuan Food Co., Ltd. aims to promote its perilla products, including perilla pills and perilla candy, to a wider audience through the fair [5] Group 2 - Heilongjiang Desheng Grain Deep Processing Co., Ltd. showcased dandelion tea and other products that combine Northeast specialty ingredients, emphasizing health and natural flavors [5][7] - Heilongjiang Yongling Aerospace Polymer Materials Co., Ltd. participated for the first time, presenting its advanced aerospace materials, particularly polyimide materials with high-temperature resistance [7][9] - Huanan County's participation in the fair includes six enterprises and over 100 product varieties, focusing on promoting agricultural products and attracting external investment [9][10]