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formic adj.1.螞蟻的。2.【化學】甲酸的,蟻酸的。

formic acid

A single direction thin layer chromatography ( stlc ) was researched in order to detect citrinin from above samples , . the results revealed that ethyll acetate : toluene : formic acid ( 6 : 3 : 1 ) was a good developer , then the citrinin from the 29 hongqu samples above were detected , and 6 samples with citrinin less than 0 . 20 g / g ( stlc ) and their strains were screened 第二,以上述29個紅曲樣品為實驗材料,對紅曲中桔霉素的(單向)薄層層析( stlc )條件進行了研究。結果顯示,以甲苯:乙酸乙酯:甲酸( 6 : 3 : 1 )為展開劑,桔霉素的分離效果較好。

Under uv - irradiation of the xw11 / sio2 ( x = p , si , ge ) composite films , all as - synthesized films exhibited high photocatalytic activity on the degradation of aqueous formic acid ( fa ) . it has been shown that aqueous fa can be totally degraded into co2 and h2o . the photocatalytic reactions followed langmuir - hinshelwood first - order kinetics 結果表明,在溫和條件下(常溫、常壓和自然酸度) ,用近紫外區的光能輻射以上體系時,三種多金屬氧酸鹽復合膜材料都具有較高的活性,而且fa可被完全礦化為二氧化碳和水。

Widely used in the industries of chemical , petrochemical , refining , dyestuff , pesticide , pharmaceutical , rare earth and fertilizers , etc . , this pump is an optimal choice to handle the corrosive medium in storage tank , like various non - oxidated acid ( hydrochloric acid , thin sulfuric acid , formic acid , acetic acid and butyric acid ) not containing solid particles , not easily crystallized , and temperature not over 100 本泵廣泛用于化工、石化、冶煉、染料、農藥、制藥、稀土、化肥等行業,在貯罐上輸送不含懸浮固體顆粒,不易結晶,溫度不高于100的各種非氧化性酸(鹽酸、稀硫酸、甲酸、醋酸、丁酸)等腐蝕介質的最理想設備。

Widely used in the industries of petrochemical , refining , dyestuff , printing , pesticide , pharmaceutical , rare earth and fertilizers , etc . , this pump is an indispensable optimal choice to handle the corrosive medium , like various non - oxidated acid ( hydrochloric acid , thin sulfuric acid , formic acid , acetic acid and butyric acid ) not containing solid particles , not easily crystallized , and temperature not over 100 本泵主要用于石化、冶煉、染料、印染、農藥、制藥、稀土、化肥等行業,輸送不含固體顆粒,不易結晶,溫度不高于100的各種非氧化性酸(鹽酸、稀硫酸、甲酸、醋酸、丁酸)等腐蝕介質必不可少的理想設備。

The biosurfactant tested preliminarily is lipopeptide or lipoprotein and the average content in fermentation solution per 100ml is 1 . 4g . the organic acid is formic acid and acetic acid and the average content in fermentation solution per 100ml is 202mg . the average biogas output is 12ml from fermentation solution per 100ml 產生的生物表面活性劑初步鑒定為脂肽或脂蛋白,平均每100ml發酵液可得干物質1 . 4g ;產生的有機酸為甲酸、乙酸混合物,平均每100ml發酵液含量為202mg ;平均每100ml發酵液產生氣體12ml 。

The experiment showed that the sensors coated a - c : h film as sensitive coating had the following characteristics of high sensitivity , good reproducibility , high stability , rapid response time and long useful life to formic acid vapor 研究表明,以摻胺碳膜作為敏感膜的氣相質量傳感器對甲酸蒸氣具有高的響應靈敏度,良好的重觀性,高穩定度,快的響應速度和長的使用壽命。

The enterprise beijing mutual benefithui chemical raw material co . , ltd . deals in carbonic acid and electronic industry in addition to formic acid as well as with almond oil 該企業竭誠為貴公司介紹關于塑料焊接、精密力學、機械學、生活用水、工業用水以及晶體玻璃、燧石玻璃和超聲波清潔費用信息,請撥打+ 86 ( 519 ) 5120087 , 51 。請不要忘記,垂詢電子工業或真空鍍膜。

Cyclic voltammetry ( cv ) and linear scanning microscopy ( lsv ) results show that the anode reactive rate is limited at low electrode voltage for electro - oxidation of methanol , formaldehyde or formic acid , the over - voltage being about soomv 循環伏安和線性掃描曲線表明甲醇,甲醛和甲酸在低陽極電位下反應速率有限,存在約300mv的過電位。

The influence of deposition conditions and the coating mass on the response of the films were also considered . the determination lower limit of films to formic acid vapor was measured and it attained ppm grade 同時還摘要對微量甲酸蒸氣的響應進行了研究并討論了摻胺碳膜對甲酸蒸氣的檢測下限,其下限達到ppm數量級。

A mixture of formic acid and acetic anhydride was found to be effective for the formation of an oxazolone , which was converted to an active ester in situ in the presence of a phenol or an n - hydroxide 實驗發現甲酸和醋酐混合物對惡唑酮的生成非常有效,惡唑酮在苯酚或n -氫氧化物存在的條件下在原位轉化為酯。

The interaction between sensitive coatings and formic acid vapors was the strongest in the carboxyl acid material vapors , so that the ct - c : h film containing amino - group was the most sensitive to formic acid 在梭酸類物質中,甲酸分子的酸性氫鍵最強。故摻胺碳膜對甲酸蒸氣分子具有最高的響應靈敏度。

Results : with the new system , chloroform - methanol - water - formic acid ( 80 : 20 : 10 : 1 ) at 3 over night with below solution , the colored impurity from degradation could be detected 結果:以氯仿甲醇水甲酸( 80 : 20 : 10 : 1 ) 3放置過夜后的下層溶液為展開劑,對降解時間內的雜質均能檢出。

Tomatoes are rich in organic acids such as malic acid , citric acid , formic acid , vitamin c can protect , in the process of cooking was not damaged , vitamin utilization 西紅柿含有豐富的有機酸如蘋果酸、檸檬酸、甲酸,可保護維生素c ,使之在加工烹飪過程不被破壞,增加維生素的利用率。

His stylistic and formic compositions have laid the foundation for many film directors to come and his cinematographic techniques being studied again and again 他極其風格化和形式主義的構圖,成為很多下一輩導演仿效發展的基礎其攝影技巧,更受到后世反覆研究。

Excellent intergranular corrosion resistant properties , suitable to manufacture the equipment which resist to sulphuric acids . phosphonic acide . formic acids andacetic acids 用于抗鹽酸、磷酸、甲酸、乙酸的設備,有良好的耐晶間腐蝕性。

Testing of textiles - quantitative analysis of binary mixtures - regenerated cellulose fibres with other fibres , especially cotton ; formic acid zinc chloride method 紡織品的試驗.二元混合物的定量分析.含有其它纖維特

Testing of textiles ; quantitative analysis of binary mixtures , polyamide 6 6 or polyamide 6 fibres with other fibres , formic acid method 紡織品的檢驗.聚酰胺66纖維或聚酰胺6纖維與其它纖維

Testing of textiles ; quantitative analysis of binary mixtures , degummed mulberry silk with wool , formic acid zinc chloride method 紡織品的檢驗.羊毛與脫膠的桑蠶絲二元混合織物的定量

Fertilizers , ground natural mineral phosphates . extraction of phosphoric anhydride soluble in formic acid reagent 肥料.粉狀天然礦物磷酸鹽,溶于甲酸試劑的磷酸酐的提取