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Many of the entries listed in our index of topical pages are scientific acronyms or terms, for example gene sequences or chemical formulas.
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         images (显像)
         imco (国际海事协商组织)
         imidazoles (咪唑)
         imides (酰亚胺)
         imines (亚胺)
         imipramine (丙咪嗪)
         immobilization wastes
         immobilized cells (固定细胞)
         immobilized enzymes (固定化酶)
         immune reactions (免疫反应)
         immune sera (免疫血清)
         immune system diseases (免疫系统疾病)
         immune tolerance (免疫耐受性)
         immunity (免疫力)
         immunoassay (免疫分析)
         immunoglobulins (免疫球蛋白)
         immunology (免疫学)
         immunosuppression (免疫抑制)
         immunosuppressive drugs (免疫抑制药物)
         immunotherapy (免疫疗法)
         imo (国际海事组织)
         impact fusion (碰撞聚变)
         impact parameter (碰撞参数)
         impact shock (冲击震动)
         impact strength (冲击强度)


         impact tests (冲击试验)
         impedance (阻抗)
         imperfections (不完整性)
         imperial valley (因皮里尔河谷)
         impingement (撞击)
         implants (植入物)
         implementation (履行)
         implosions (爆聚)
         import taxes (进口税)
         imports (进口)
         impregnation (浸渗)
         improvement ratio (改正比)
         impulse (冲量)
         impulse approximation (脉冲近似法)
         impurities (杂质)
         ims (国际磁层研究)
         in 519 (合金-in-519)
         in vitro (活体外)
         in vivo (活体内)
         in-core fuel management (堆芯燃料管理)
         in-country detection (国境内探测)
         in-service inspection (在役检查)
         in-situ combustion (就地燃烧)
         in-situ hybridization (原位杂交)
         in-situ liquefaction (就地液化)



         inconel 713c (因科镍尔合金713C)
         inconel 718 (因科镍尔合金718)
         inconel 738 (因科镍尔合金738)
         inconel 82 (因科镍尔合金82)
         incorporation biological
         increasing (递增)
         incremental-cost pricing (增量成本定价)
         incubation (孵育)
         indan (茚满)
         indazoles (吲唑)
         indene (茚)
         index of refraction (折射率)
         indexes (索引)
         india (印度)
         india ink (墨汁)
         indian ocean (印度洋)
         indian organizations (印度机构)
         indiana (印第安纳州)
         indians american
         indicator species (指示种)
         indicators (指示剂)
         indigenous peoples (原住民)
         indigo (靛青)
         indigo red (靛红)
         indium (铟)


         indium 100 (铟-100)
         indium 101 (铟-101)
         indium 111 (铟-111)
         indium 98 (铟-98)
         indium 99 (铟-99)
         indium additions (铟添加物)
         indium alloys (铟合金)
         indium complexes (铟配合物)
         indium compounds (铟化合物)
         indium ions (铟离子)
         indium oxides (氧化铟)
         indium phosphates (磷酸铟)
         indocyanine green (靛青绿)
         indoles (吲哚)
         indonesia (印度尼西亚)
         indoor air contamination (室内空气放射性污染)
         indoor air pollution (室内空气非放射性污染)
         indoors (室内)
         induced polarization logging (感应极化测井)
         induced radioactivity (感生放射性)
         inductance (电感)
         induction (感应)
         induction furnaces (感应炉)
         induction generators (感应发电机)
         induction logging (感应测井)




         infrared spectra (红外光谱)
         infrared spectrometers (红外光谱仪)
         infrared surveys (红外测量)
         infrared thermography (红外热成像法)
         infusion (输注)
         ingestion (摄食)
         inhalation (吸入)
         inhibition (抑制)
         inhibitors corrosion
         inhibitors enzyme
         inhomogeneous fields (非均匀场)
         inhomogeneous plasma (非均匀等离子体)
         inis (国际核信息系统)
         initial reservoir pressure (原始储层压力)
         injection (注射)
         injection beams
         injection fluids (注入流体)
         injection wells (注入井)
         injuries (损伤)
         inks (墨水)
         inland waterways (内陆水道)
         inner mongolia (内蒙古)
         inner-shell ionization (内壳层电离)
         inns (客栈)
         inoculation (接种)





         intermediate structure (中间结构)
         intermediate technology (中间技术)
         intermediate-level radioactive wastes (中放废物)
         intermediates reaction
         intermetallic compounds (金属互化物)
         intermolecular forces (分子间力)
         internal revenue service (美国国内税局)
         internal waves (内波)
         international affairs (国际事务)
         international agreements (国际协定)
         international atomic energy agency (国际原子能机构)
         international center for theoretical physics (国际理论物理研究中心)
         international commission radiological protection (国际放射防护委员会)
         international control (国际控制)
         international cooperation (国际合作)
         international electrotechnical commission (国际电工委员会)
         international energy agency (国际能源机构)
         international geophysical year (国际地球物理年)
         international labour organisation (国际劳工组织)
         international laws (国际法)
         international magnetospheric study (国际磁层研究)
         international maritime organization (国际海事组织)
         international nuclear data committee (国际核数据委员会)
         international organizations (国际机构)
         international radiation protection association (国际辐射防护协会)



         intrusion detection systems (侵入探测系统)
         intrusion human
         intrusion rock
         intrusion water
         intrusive rocks (侵入岩)
         inulin (菊粉)
         invar (因瓦铁镍合金)
         invariance principles (不变性原理)
         invariant imbedding (不变嵌入)
         inventions (发明)
         inventories (盘存)
         inverse scattering problem (逆散射问题)
         invertebrates (无脊椎动物)
         inverters (换流器)
         investigations (调查)
         investment (投资)
         inviscid flow (无粘性流)
         invoices (发票)
         iodates (碘酸盐)
         iodic acid (碘酸)
         iodides (碘化物)
         iodination (碘化)
         iodine (碘)
         iodine 111 (碘-111)
         iodine 114 (碘-114)


         iodine 120 (碘-120)
         iodine 125 (碘-125)
         iodine 131 (碘-131)
         iodine complexes (碘配合物)
         iodine compounds (碘化合物)
         iodine ions (碘离子)
         iodine isotopes (碘同位素)
         iodine lasers (碘激光器)
         iodine number (碘价)
         iodine oxides (氧化碘)
         iododeoxyuridine (碘代脱氧尿嘧啶核苷)
         iodoform (碘仿)
         iodometry (滴定碘法)
         iohexol (碘己醇)
         ion acoustic waves (离子声波)
         ion beam injection (离子束注入)
         ion beams (离子束)
         ion blocking (离子阻塞效应)
         ion cyclotron-resonance (离子回旋共振)
         ion cyclotron-resonance heating (离子回旋共振加热)
         ion density (离子密度)
         ion detection (离子探测)
         ion drift (离子漂移)
         ion emission (离子发射)
         ion exchange (离子交换)



         ionophoresis (离子电泳)
         ionosondes (电离层探测装置)
         ionosphere (电离层)
         ionospheric effects (电离层效应)
         ionospheric storms (电离层暴)
         ions (离子)
         iopamidol (碘异酞醇)
         iowa (衣阿华州)
         iqsy (国际宁静太阳年)
         iran (伊朗)
         iraq (伊拉克)
         ireland (爱尔兰)
         iri (校际反应堆研究所)
         iridium (铱)
         iridium 192 (铱-192)
         iridium alloys (铱合金)
         iridium complexes (铱配合物)
         iridium isotopes (铱同位素)
         irish sea (爱尔兰海)
         iron (铁)
         iron 45 (铁-45)
         iron 50 (铁-50)
         iron 52 (铁-52)
         iron 68 (铁-68)
         iron 69 (铁-69)


         iron alloys (铁合金)
         iron base alloys (铁基合金)
         iron carbides (碳化铁)
         iron complexes (铁配合物)
         iron compounds (铁化合物)
         iron garnets (铁榴石)
         iron hydroxides (氢氧化铁)
         iron ions (铁离子)
         iron isotopes (铁同位素)
         iron meteorites (铁陨星)
         iron nitrides (氮化铁)
         iron ores (铁矿石)
         iron oxides (氧化铁)
         iron phosphates (磷酸铁)
         iron silicides (硅化铁)
         iron sulfides (硫化铁)
         irpa (国际辐射防护协会)
         irradiance (辐照度)
         irradiation (辐照)
         irradiation channels (辐照孔道)
         irradiation devices (辐照装置)
         irreducible representations (不可约表示)
         irreversible processes (不可逆过程)
         irrigation (灌溉)
         isabelle (伊色布尔)


         ischemia (局部缺血)
         ising model (伊辛模型)
         islands (岛屿)
         iso (国际标准化组织)
         isoamyl acetate (乙酸异戊酯)
         isoamylase (异淀粉酶)
         isobaric model (同质异位模型)
         isobutane (异丁烷)
         isobutyl alcohol (异丁醇)
         isobutylene (异丁烯)
         isobutyric acid (异丁酸)
         isocyanates (异氰酸盐)
         isocyanic acid (异氰酸)
         isodose curves (等剂量曲线)
         isoenzymes (同功酶)
         isomed (医用辐照灭菌装置)
         isomer ratio (同质异能素比)
         isomer shift (同质异能素移)
         isomerases (异构酶)
         isomerization (异构化)
         isomers (异构体)
         isoniazid (异烟肼)
         isonitriles (异腈)
         isopentane (异戊烷)
         isopentyl acetate (乙酸异戊酯)



         isotopic shift (同位素位移)
         isotopic spin (同位旋)
         isotopic substitution (同位素取代)
         isotropy (各向同性)
         isovaleric acid (异戊酸)
         israel (以色列)
         itaconic acid (衣康酸)
         italy (意大利)
         iterative methods (迭代法)
         itri (吸入毒物研究所)
         iudr (碘脱氧尿核苷)
         ius (综合公用事业系统)
         ivory coast (象牙海岸)
         ixion (伊克西翁)