新sat考試必備的高頻詞彙

高頻詞彙對於新sat考試來説，是考生必須要準備的詞彙。下面本站小編將為你推薦新sat考試中必備的一些高頻詞彙相關內容，希望能夠幫到你!

Methylpropane 甲基丙烷

microbe 微生物，細菌

Millikan’s ‘oil-drop’ ecperiment 密立根油滴實驗

mineral 礦物質

miscibility with water 與水的互溶性

magnetic field 磁場

magnetise 磁化

malleable 有延展性的'

Maltese Cross 馬耳他十字

marble 大理石

marine invertebrate 海里的無脊椎動物

mass number 質量數

mass spectrometer 質譜儀

matter 物質

mechanism 機理

megawatt 兆瓦，即106瓦

melting point tube containing sample 裝有樣品的熔點測定管

melting point 熔點

Mendeleev’s periodic table

metabolism 新陳代謝

metal calorimeter 金屬量熱計

metal complex 金屬絡合物(由金屬離子與電子給予體結合而成)

metal foil 金箔

metal hydride 金屬氫化物

metallic bonding 金屬鍵(通過自由運動的價電子將金屬原子連結起來的鍵)

metallic element 金屬元素

metallic radius 金屬半徑

meteorite 隕星

methane 甲烷

methanol (=CH3OH) 甲醇

haemoglobin 血紅蛋白

halate 次滷酸根離子

halide 鹵化物

halogen 鹵族元素，簡稱鹵素

halogenoalkane 鹵代烴

halogenoalkanes 鹵代烴

hard margarine 硬植物油

hard 硬的

heat capacity 熱容(當一系統由於加給一微小的熱量δQ而温度升高δT時，Δq/δT這個量即是熱容)

heating-insulated vessel 隔熱容器

Heisenberg’s uncertainty principle 海森堡測不準原理

heptane 庚烷

Hess’ law 赫斯定律(一個化學反應的熱銷應決定於其始終態，與中間過程無關)

heterogeneous catalysis 多相催化(催化劑與反應物處於不同相如在固體和流體相界面間發生催化作用)

heterolytic fission 異裂(共價鍵斷裂產生兩個相反電荷的離子)

hexane 己烷

high-density poly(ethene) 高密度聚乙烯

high-performance liquid chromatography 高效液相色譜法

Recessive(隱性)

Refers to an allele that cannot control the phenotype unless it is the only kind of allele present, as in a homozygote or hemizygote. Also refers to the trait or phenotype produced when only a recessive allele is present. The opposite of recessive is dominant.

reproductive isolation(生殖隔離)

The inability of individuals within a species to create offspring with members of any other species. The mark of a species is its reproductive isolation from all other species.

respiratory system(呼吸系統)

The organ system responsible for the intake of oxygen and diffusion of that gas into the blood and the elimination of carbon dioxide from the body. Important structures of the system are the pharynx, larynx, trachea, bronchi, bronchioles, and lungs. Alveoli in the lungs are the location of gas exchange with the blood. The movement of the muscular diaphragm allows the lungs to inhale and exhale.

ribonucleic acid (RNA/核糖核酸)

One type of nucleic acid polymer. RNA nucleotides’ sugars contain one more oxygen atom than DNA nucleotides’ sugars. RNA nucleotides can have the nitrogenous bases adenine, cytosine, guanine, and uracil.

Ribosome(核糖體)

Organelle responsible for protein synthesis. Ribosomes are located in cytoplasm or endoplasmic reticulum.

Root(根)

The part of a plant beneath the soil; responsible for collecting water and minerals from the soil, storing nutrients, and securing the plant to the ground. Can be fibrous or a taproot.

root hair(根鬚)

An outgrowth of a plant root that provides an increased surface area for the absorption of water and dissolved minerals from the soil.

Runner(匍行)

Slender horizontal stem that can form new plants via specialized nodes.