Gypsum powder is widely used in the following industries and has different functions:

1. 建筑行業：石膏粉在建筑行業中被廣泛用于制作墻面、天花板和隔墻。它可以用于抹灰、砌塊粘結、填縫和修補工作中。石膏粉還可以用于制作裝飾性元素，如浮雕、花瓶和線條。

1. Construction industry: Gypsum powder is widely used in the construction industry to make walls, ceilings, and partitions. It can be used for plastering, block bonding, joint filling, and repair work. Gypsum powder can also be used to create decorative elements such as reliefs, vases, and lines.

2. 醫療行業：醫療石膏是一種特殊的石膏粉，用于制作石膏固定器和石膏包扎，用于治療骨折、扭傷和其他骨骼損傷。它具有良好的固化性能和透氣性，有助于保護和穩定骨骼。

2. Medical industry: Medical plaster is a special type of plaster powder used for making plaster fixators and plaster dressings, used to treat fractures, sprains, and other bone injuries. It has good curing performance and breathability, which helps to protect and stabilize bones.

3. 藝術和手工業：由于石膏粉易于加工和塑造，它在藝術和手工業中得到廣泛應用。石膏粉可以用于制作雕塑、模型、藝術品、模具等。它可以通過雕刻、澆鑄、涂覆等方式進行加工和裝飾。

3. Art and handicrafts: Due to the ease of processing and shaping of gypsum powder, it is widely used in art and handicrafts. Gypsum powder can be used to make sculptures, models, artworks, molds, etc. It can be processed and decorated through carving, casting, coating, and other methods.

4. 農業：石膏粉在農業領域中有重要的用途。它可以用于土壤改良，特別是酸性土壤的中和和鈣離子的補充。石膏粉對土壤有利的作用包括改善結構、增加通氣性、調節pH值、提供鈣元素等。

4. Agriculture: Gypsum powder has important applications in the agricultural field. It can be used for soil improvement, especially for neutralizing acidic soils and supplementing calcium ions. The beneficial effects of gypsum powder on soil include improving structure, increasing aeration, regulating pH value, and providing calcium elements.

5. 環保行業：石膏粉還被廣泛應用于環保領域。它可以用于處理工業廢水和廢氣，去除其中的污染物。此外，石膏粉還可以用于制備過濾材料和吸附劑，用于水處理和廢棄物處理。

5. Environmental protection industry: Gypsum powder is also widely used in the field of environmental protection. It can be used to treat industrial wastewater and exhaust gas, removing pollutants from them. In addition, gypsum powder can also be used to prepare efficient filtration materials and adsorbents for water treatment and waste treatment.

總的來說，石膏粉在建筑、醫療、藝術、農業和環保等行業中具有重要的應用價值，可以滿足不同行業的需求，并發揮相應的作用。

Overall, gypsum powder has important application value in industries such as construction, healthcare, art, agriculture, and environmental protection, which can meet the needs of different industries and play corresponding roles.