| 碱性 | jiǎn xìng | alkaline |
| 碱 | jiǎn | base; alkali; soda (chemistry) |
| 纯碱 | chún jiǎn | sodium carbonate Na2CO3; soda ash; same as 碳酸钠 |
| 烧碱 | shāo jiǎn | caustic soda NaOH |
| 盐碱地 | yán jiǎn dì | saline soil |
| 碱度 | jiǎn dù | alkalinity |
| 碱金属 | jiǎn jīn shǔ | alkali metal |
| 强碱 | qiáng jiǎn | strong alkali |
| 弱碱 | ruò jiǎn | weak base (alkali) |
| 耐碱 | nài jiǎn | alkali-resistant |
| 碱土金属 | jiǎn tǔ jīn shǔ | alkaline earth (i.e. beryllium Be 铍, magnesium Mg 镁, calcium Ca 钙, strontium Sr 锶, barium Ba 钡 and radium Ra 镭) |
| 烟碱 | yān jiǎn | variant of 菸碱; nicotine |
| 碱化 | jiǎn huà | to make basic or alkaline; alkalization (chemistry) |
| 三尖杉酯碱 | sān jiān shān zhǐ jiǎn | harringtonine (chemistry) |
| 乙酰胆碱 | yǐ xiān dǎn jiǎn | acetylcholine ACh (amine related to vitamin B complex) |
| 千碱基对 | qiān jiǎn jī duì | thousand base pair (kbp) |
| 去氧麻黄碱 | qù yǎng má huáng jiǎn | methamphetamine |
| 古柯碱 | gǔ kē jiǎn | cocaine; also written 可卡因 |
| 嗜碱性球 | shì jiǎn xìng qiú | basophil granulocyte (type of white blood cell) |
| 嗜碱性粒细胞 | shì jiǎn xìng lì xì bāo | basophil granulocytes (rarest type of white blood cell) |
| 洋碱 | yáng jiǎn | soap |
| 烟碱酸 | yān jiǎn suān | variant of 菸碱酸; niacin |
| 生物碱 | shēng wù jiǎn | alkaloid |
| 白碱滩 | Bái jiǎn tān | Baijiantan district (Uighur: Jerenbulaq Rayoni) of Qaramay City 克拉玛依市, Xinjiang |
| 白碱滩区 | Bái jiǎn tān qū | Baijiantan district (Uighur: Jerenbulaq Rayoni) of Qaramay City 克拉玛依市, Xinjiang |
| 皂碱 | zào jiǎn | soap; same as 肥皂 |
| 脱氧麻黄碱 | tuō yǎng má huáng jiǎn | methamphetamine |
| 胆碱 | dǎn jiǎn | choline (amine related to vitamin B complex) |
| 胆碱酯酶 | dǎn jiǎn zhǐ méi | choline esterase (ChE), hydrolyzing enzyme in blood plasma |
| 茶碱 | chá jiǎn | Theophylline |
| 菸碱 | yān jiǎn | nicotine |
| 菸碱酸 | yān jiǎn suān | niacin (vitamin B3); 3-Pyridinecarboxylic acid C6H5NO2; nicotinic acid |
| 酸碱值 | suān jiǎn zhí | pH (chemistry) |
| 碱土 | jiǎn tǔ | alkaline soil |
| 碱基 | jiǎn jī | nucleotide (in nucleic acid) |
| 碱基互补配对 | jiǎn jī hù bǔ pèi duì | complementary base pairing e.g. adenine A 腺嘌呤 pairs with thymine T 胸腺嘧啶 in DNA |
| 碱基对 | jiǎn jī duì | base pair (bp) consisting of two complementary nucleotides (adenine A 腺嘌呤 paired with thymine T 胸腺嘧啶 in DNA) |
| 碱基配对 | jiǎn jī pèi duì | base pairing (e.g. adenine A 腺嘌呤 pairs with thymine T 胸腺嘧啶 in DNA); base pair |
| 碱式盐 | jiǎn shì yán | alkali salt (soda, lye, calcium carbonate etc) |
| 碱性土 | jiǎn xìng tǔ | alkaline soil |
| 碱性尘雾 | jiǎn xìng chén wù | alkali fumes |
| 碱性岩 | jiǎn xìng yán | basic rock; mafic rock (with less silicon and more magnesium, iron etc) |
| 碱性蓝 | jiǎn xìng lán | alkali blue |
| 碱性金属 | jiǎn xìng jīn shǔ | alkali metal |
| 碱斑 | jiǎn bān | alkali spot |
| 碱法纸浆 | jiǎn fǎ zhǐ jiāng | alkali pulp |
| 碱腺 | jiǎn xiàn | alkali gland |
| 碱荒 | jiǎn huāng | saline waste land |
| 碱试法 | jiǎn shì fǎ | alkali test |
| 盐碱 | yán jiǎn | saline and alkaline (earth) |
