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- benzene and pentane 苯和正戊烷
- Clearing agents include benzene and xylene. 透明剂包括苯和二甲苯。
- They also spew toxic chemicals such as benzene and dioxin into the atmosphere. 还向大气中排放诸如苯及二氧芑之类的有毒化学品。
- Absorbed by Amberlite XAD-2 resin. Elute with ether and pentane mixture (1:1) and methanol, the bound and free aroma can isolated efficiently. Amberlite XAD-2树脂吸附,结合乙醚戊烷混合液(1:1,V/V)、甲醇的依次洗脱,可以将苹果汁(皮)中的游离态与键合态芳香组分进行有效分离。
- The ether was synthesized from alkylchlorosilane and pentane 2,4 dione in the presence of imidazole under inert conditions by using anhydrous tetrahydrofuran as solvent. 经元素分析、漫反射红外光谱和高效液相色谱法对键合相进行了鉴定和评价。
- The common absorption function of benzene and phynol in water on the series of organic soil is studied. 研究了水中苯和苯酚在系列有机膨润土上的共同吸附作用。
- Any of numerous organic compounds, such as benzene and methane, that contain only carbon and hydrogen. 碳氢化合物只含有碳和氢的多种有机化合物的一种,如苯和甲烷
- Do not clean the unit with volatile chemicals such as benzene and thinner because they can damage the finish. 由于可能损坏精加工表面,不要用挥发油、稀释剂等挥发性化学药剂进行本机的清洗。
- Test Method for Benzene and Toluene in Finished Motor and Aviation Gasoline by Gas Chromatography (05. 用气相色谱法测定机动车和航空用汽油中苯和甲苯的试验方法(05。
- Microbial degradation of benzene and toluene in groundwater under enhanced denitrifying condition. 反硝化条件下微生物降解地下水中的苯和甲苯。
- Such agents including benzene and chlorine B-Xi Aisi, tears immediately after the poisoning, sneezing, itchy skin. 这类毒剂包括苯氯乙酮和希埃斯等,中毒后立即流泪、打喷嚏、皮肤发痒。
- Title: Microbial degradation of benzene and toluene in groundwater under enhanced denitrifying condition. 关键词:地下水有机污染;苯;甲苯;反硝化条件;微生物降解
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实,你必须面对它。
- The synthesis of t amylbenzene from benzene and t amylalcohol was studied by the catalysis of AlCl 3 H 2SO 4 in 79. 三氯化铝与硫酸双酸催化叔戊醇与苯反应;合成了高产率叔戊苯;收率达79.;3%25。
- She and I can't live under the same roof. 她和我不能住在一起。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- The coking and deactivation process of benzene and ethylene alkylation reaction over ZSM 5 zeolite was studied. 研究了ZSM-5分子筛催化剂上苯/乙烯烷基化制乙苯反应体系的结焦失活历程。
- I'll try and rustle you up something to eat. 我设法给你弄点吃的。
- He sprang up and rushed to the door. 他跳起身,跑到门口。