環烴類 的英文怎麼說
中文拼音 [huántīnglèi]
環烴類
英文
gc standards -cyclic hydrocarbons-
A novel calix [ 4 ] arene - based fluorescent chemosensor bearing 2 - aminopyridine moiety and naphthalenic fluorphore was synthesized, and the chemical structure of the product was identified by ft - ir, ms - fab, nmr and elemental analyses
摘要以杯[ 4 ]芳烴為平臺、氨基吡啶基團為識別位點、蔡環為熒光基團，合成了一類新型熒光化學傳感器。Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid, with the help of clay minerals catalytic effect, which comes from bacteria, seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions
長鏈烷基苯主要是細菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發生環化脫羧再芳構化或單環芳烴與脂肪酸烷基化反應形成的產物。Standard test method for paraffin, naphthene, and aromatic hydrocarbon type analysis in petroleum distillates through 200 c by multi - dimensional gas chromatography
用多維氣相色譜法分析通過200時石油餾份中石蠟環烷和芳烴類型的標準試驗方法Standard test method for oxygenates and paraffin, olefin, naphthene, aromatic o - pona hydrocarbon types in low - olefin spark ignition engine fuels by gas chromatography
用氣相色譜對低烯烴火花點火引擎燃料芳香碳氫化合物類型，環烴，烯烴，石蠟和氧化物的標準試驗方法Phenanthrene is one of three - aromatic pahs and distributes in environments widely, which causes diseases of human respiration system and skin, and induces mutation, aberrance and carcinogen of fish and other animals
菲為一種廣泛分佈於自然環境的三環芳烴，能導致人類呼吸系統和皮膚的病變，可誘發魚類和其它生物的突變、畸變與癌變。Phyletic and spatio - temporal distribution and sources of pahs on atmospheric particulates in liuzhou city
柳州市大氣顆粒物中多環芳烴的種類和時空分佈特徵及來源Poiycyclic aromatic hydrocarbons ( pah ) are priority trace organic pollutants in the clrtap ( convention on long - range transboundary air poliution ) pops ( persistent organic poilutants ) protocol. both laboratory experiments and fie1d surveys unequivocally demonstrated that pah adversely affect estuarine and marine organisms. pah are implicated in the development of iesions and tumors in fish, they produce biochemical disruptions and cell damage that iead to mutations, developmental malformations and cancel although many marine organisms do not exhibit acute responses to pah " exposure, but suffer sublethal effects
本論文以湄洲灣海域和廈門西海域養殖區為研究區域，採用現代分析技術，從分子水平上系統研究了多環芳烴（ pah ）在海水、沉積物、養殖魚類中的含量分佈：通過現場實驗，實驗室暫養、投毒和恢復實驗系統測定了養殖魚類的肝臟、膽汁、鰓、全血等不同器官、組織的生化指標及養殖魚類肝臟、膽汁的化學指標，探討了這些指標對水環境多環芳烴污染的生物指示作用。4 ) the characteristic of tricyclic terpane reflected the source input of algae. the predominance of 4 - methylsterane and dinosterane, and the c _ ( 27 ) - sterane predominance " v " distribution pattern all indicate the great contribution of algae source input. based on the ratio of sterane c2920s / ( 20s + 20r ) and c29 / ( + ), the source rocks can be regarded as typical immature source rocks
2 、利用豐富的生物標志化合物信息，分析解釋了生源構成、沉積環境、有機質演化等特徵，表明德南窪陷主力烴源巖的生源構成是以菌藻類微生物為主且含有一定陸生植物輸入的混合生源，沉積環境為半鹹水-鹹水還原環境，沉積水體具有「層狀」特點，表層鹽度高，底層還原性強。Continuous analyzers for hydrocarbons in ambient air
環境空氣中烴類連續分析儀It has the essential source conditions for the formation of immature oil with higher abundance and better types of organic matter deposited in thicker stratum under the environment in favor of preservation of organic matter and its inversion to hydrocarbons at the early stage, as well as the appropriate maturity for abundant production of immature oil
該套泥巖不但具備有機質豐度高、類型好、單層厚度大等生成低熟油必備的物質條件以及有利於有機質保存和向烴類早期轉化的沉積環境條件，而且其熱演化程度正處于生成低熟油的高峰階段。The discharge into the atmosphere of converter gas, acetylene, yellow phosphoric tail gas engendered by the electric furnace process, and organic hydrocarbon tail gas must be reported to the local administrative department of environmental protection for approval
向大氣排放轉爐氣、電石氣、電爐法黃磷尾氣、有機烴類尾氣的，須報經當地環境保護行政主管部門批準。Standard test method for softening point of hydrocarbon resins by automated ring and ball apparatus
用自動環球儀測定烴類樹脂軟化點的標準試驗方法The analysis of the organic contaminants before and after cleaning up by gc / ms indicated that ranges from the highest removal rate to the lowest one were benzene, pahs, ester, aldehyde, ketone and alkane in proper order
活性炭床進出水的色質聯機分析結果表明，苯系物的去除率最高，依次為稠環芳烴類、酯、醛、酮類，烷烴類。Simulation results show that based on the regeneration kinetics of the catalyst, properly raising the reoxidation temperature of the catalyst in the fluidized bed reactor either can obviously improve the performance of the system or can reduce the solid flux and hence the energy consumption
結果表明，使烴類選擇氧化（催化劑被還原）和催化劑氧化再生分開進行，特別是根據催化劑氧化再生動力學的要求，適當調節再生過程的溫度，既能明顯改善反應系統的性能，又可以大幅度降低催化劑固體顆粒的循環量，取得節能降耗的效果。The recent advances of sustainable petrochemical production technologies in the following fields are reviewed, including the atom economy oxidation of hydrocarbons with h2o2 as oxidant, green chemical synthesis with non - toxic and harmless raw materials, chemical reaction using environmentally friendly catalysts, chemical reaction in new green solvents, recovery of polymers waste, and production of petrochemicals and biodiesel fuel from renewable resources
摘要圍繞過氧化氫作氧化劑的烴類「原子經濟」氧化反應、取代有毒有害原料的綠色化工技術、使用環境友好催化劑的化學反應、在新興綠色溶劑中進行的化學反應、廢棄聚合物的回收利用及由生物質資源生產石油化工產品和生物柴油等內容，評述了綠色可持續發展石油化工生產技術的一些新進展。It will melt in a certain range of melting points, but it has no definite melting point. soft pitch has no thermal effect when solidified
瀝青組分極為復雜，大多數為三環以上的芳香族烴類，還有含氧、氮和硫等元素的雜環化合物和少量高分子炭素物質。3 benches are equipped with either epoxy resin sink or polyolefin oval cupsinks while fume hoods are equipped with polyolefin cupsinks
工作臺配備環氧樹脂水槽或聚稀烴類橢圓形杯槽。通風櫃里也安裝聚稀烴類橢圓形杯槽。Upward micro - seepage of hydrocarbon causes reductive environment in the overlying strata and the oil & gas exploitation intensifies formation of the reductive environment
摘要油氣田烴類的垂向微滲漏造成上覆地層的還原環境，油氣田的開采則加劇了還原環境的形成。Ignition risk of hydrocarbon vapors by hot surfaces in the open air
露天熱表面環境中烴類氣體的引燃特性Ddt ) and heavy metals, such as lead, copper, and zinc in some industrial effluents, accumulate in the environment
生物不可降解的污染，如氯代烴類殺蟲劑（如ddt ）和工業廢水中的重金屬，如鉛、銅和鋅，在環境中積累。分享友人