大气化学 大氣化學 dà qì huà xué air chemistry / atmospheric chemistry, chemistry of the atmosphere 硅 guī silicon (chemistry) syn 沉淀 沉澱 chén diàn (chemistry) to settle / to precipitate / (chemistry) sediment / precipitate / (fig.) to accumulate syn 𨭎 xǐ seaborgium (chemistry / seaborgium (chemistry) 硅谷 guī gǔ Silicon Valley 紫晶 zǐ jīng amethyst (purple crystalline silicon dioxide) 可控硅 kě kòng guī (electronics) silicon-controlled rectifier (SCR) / thyristor 碳化硅 tàn huà guī silicon carbide / carborundum 多晶硅 duō jīng guī polycrystalline silicon (used in electronics) syn 二氧化硅 èr yǎng huà guī silicon dioxide (SiO2) 硅片 guī piàn silicon chip 矽谷 xī gǔ Silicon Valley 釸 xì silicon 单晶硅棒 單晶硅棒 dān jīng guī bàng single crystal silicon rod 四氟化硅 sì fú huà guī silicon tetrafluoride SiF4 晶硅棒 jīng guī bàng single crystal silicon 矽晶片 xī jīng piàn silicon chip / also written 硅晶片[gui1 jing1 pian4] 矽片 xī piàn silicon chip / also written 硅片[gui1 pian4] 矽镁层 矽鎂層 xī měi céng sima (geology) / silicon and magnesium layer in earth's crust 硅晶片 guī jīng piàn silicon chip 硅沙 guī shā silicon sand 硅铝质 硅鋁質 guī lǚ zhì sial rock (containing silicon and aluminium, so comparatively light, making continental plates) 碱性岩 鹼性巖 jiǎn xìng yán basic rock / mafic rock (with less silicon and more magnesium, iron etc) 区域硅铸造和设计中心讲习班 區域矽鑄造和設計中心講習班 Workshop on Regional Silicon Foundry and Design Centres 晶体硅电池 晶体硅電池 jīng tǐ guī diàn chí crystalline silicon cell 选通硅增强靶摄像管 選通矽增強靶攝像管 gate silicon intensifier target (SIT) vidicon tube 欧洲亚微硅联合倡议 歐洲亞微矽聯合倡議 Joint European Submicron Silicon Initiative 硅棒 guī bàng silicon rod 晶闸管 晶閘管 jīng zhá guǎn (electronics) silicon-controlled rectifier (SCR) / thyristor 化学 化學 huà xué chemistry / chemical syn 元素 yuán sù element (key component of sth) / (chemistry) element / (math.) element (member of a set) syn 取代 qǔ dài to replace / to supersede / to supplant / (chemistry) substitution syn 活泼 活潑 huó po lively / vivacious / brisk / active / (chemistry) reactive syn 还原 還原 huán yuán to restore to the original state / to reconstruct (an event) / reduction (chemistry) syn 载体 載體 zài tǐ carrier (chemistry) / vector (epidemiology) / vehicle or medium 渗透 滲透 shèn tòu (lit. and fig.) to permeate / to seep into / (of a product, idea etc) to penetrate (in a population) / (of hostile forces) to infiltrate / (chemistry) osmosis syn 转化 轉化 zhuǎn huà to change / to turn / to convert / (genetics) to transform / (chemistry) isomerization syn 两性 兩性 liǎng xìng male and female / both types (acid and alkaline, positive and negative etc) / (chemistry) amphoteric 活性 huó xìng (chemistry) activity / active / activated 澄清 dèng qīng to settle (of liquid) / to become clear (by precipitation of impurities) / precipitate (chemistry) / to put in order / to quell disturbances syn 溶液 róng yè solution (chemistry) 聚合 jù hé to come together (to form sth) / to assemble together / (chemistry) to polymerize syn 中和 zhōng hé to neutralize / to counteract / neutralization (chemistry) syn 制备 製備 zhì bèi to prepare / preparation (chemistry) syn 摩尔 摩爾 mó ěr mole (chemistry) 诱导 誘導 yòu dǎo to induce / to encourage / to provide guidance / (medicine, chemistry) to induce syn 吸附 xī fù to adhere to a surface / to absorb / to draw in / (fig.) to attract / (chemistry) adsorption syn 无机 無機 wú jī inorganic (chemistry) 甲基 jiǎ jī methyl group (chemistry) 微量元素 wēi liàng yuán sù trace element (chemistry) 亲和力 親和力 qīn hé lì (personal) warmth / approachability / accessibility / (in a product) user friendliness / (chemistry) affinity 单体 單體 dān tǐ monomer (chemistry) 非金属 非金屬 fēi jīn shǔ nonmetal (chemistry) 透析 tòu xī to analyze in depth / dialysis / (chemistry) to dialyze / (medicine) to undergo dialysis treatment 萃取 cuì qǔ (chemistry) liquid-liquid extraction (aka solvent extraction) / to extract 稀土 xī tǔ rare earth (chemistry) 理化 lǐ huà physics and chemistry / (archaic) governance and education syn 无水 無水 wú shuǐ anhydrous (chemistry) / waterless / dehydrated 炼制 煉制 liàn zhì (chemistry) to refine syn 环氧树脂 環氧樹脂 huán yǎng shù zhī epoxy resin (chemistry) 母体 母體 mǔ tǐ (zoology, medicine) mother's body / (chemistry etc) parent / matrix / (statistics) population / parent population 降解 jiàng jiě (chemistry) degradation / to degrade 酰胺 xiān àn amide / acidamide (chemistry) 惰性 duò xìng inert (chemistry) / apathy / inertia / laziness 乙酰 yǐ xiān acetyl (chemistry) 糖类 糖類 táng lèi sugar (chemistry) syn 有机化学 有機化學 yǒu jī huà xué organic chemistry syn 活性剂 活性劑 huó xìng jì reagent (chemistry) 物理化学 物理化學 wù lǐ huà xué physical chemistry 化学系 化學系 huà xué xì department of chemistry 试纸 試紙 shì zhǐ (chemistry, medicine) test strip 单键 單鍵 dān jiàn single bond (chemistry) 制取 zhì qǔ (chemistry) to produce 乙基 yǐ jī ethyl group (chemistry) 数理化 數理化 shù lǐ huà abbr. for mathematics 數學|数学[shu4 xue2], physics 物理[wu4 li3] and chemistry 化學|化学[hua4 xue2] 反渗透 反滲透 fǎn shèn tòu anti-infiltration (measures taken against subversive external forces) / (chemistry) reverse osmosis 裂解 liè jiě pyrolysis / splitting (chemistry) syn 分析化学 分析化學 fēn xī huà xué analytical chemistry 丁基 dīng jī butyl group (chemistry) 闪点 閃點 shǎn diǎn flash point (chemistry) 异构 異構 yì gòu isomeric (chemistry) 无机化学 無機化學 wú jī huà xué inorganic chemistry 卤素 鹵素 lǔ sù halogen (chemistry) 咪唑 mī zuò imidazole (chemistry) (loanword) 新 xīn new / newly / meso- (chemistry) syn 硝基苯 xiāo jī běn nitrobenzene / benzoil nitrate (chemistry) 大分子 dà fēn zǐ macromolecule (chemistry) 过氧 過氧 guò yǎng peroxy- / peroxide (chemistry) 辅酶 輔酶 fǔ méi coenzyme (chemistry) 丙基 bǐng jī propyl group (chemistry) 燃点 燃點 rán diǎn to ignite / to set fire to / to light / (chemistry) ignition point / combustion point syn 烯烃 烯烴 xī tīng olefine / alkene (chemistry) 次 cì next in sequence / second / the second (day, time etc) / secondary / vice- / sub- / infra- / inferior quality / substandard / order / sequence / hypo- (chemistry) / classifier for enumerated events: time syn 结构式 結構式 jié gòu shì structural formula (chemistry) 盐酸盐 鹽酸鹽 yán suān yán chloride / hydrochloride (chemistry) 基团 基團 jī tuán radical (chemistry) 磷酸钠 磷酸鈉 lín suān nà sodium phosphate (chemistry) 乙烯基 yǐ xī jī vinyl / vinyl group (chemistry) 基 jī (bound form) base / foundation / (bound form) radical (chemistry) / (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese) syn 