THFA is oxygenated and destroyed easily during preparation and application. Thus, anti-oxidation condition is necessary.
四氢叶酸在制备过程和使用中，均极易氧化破坏，因此需提供严格的抗氧化条件。
The condition for protection of THFA must be provided because THFA is readily oxygenated.
四氢叶酸在制备过程和使用中均极易氧化破坏，因此需严格的抗氧化条件。
The effects of reaction conditions, such as the flow-rate of THFA, reaction temperature, hydrogen introduction, ammonia flow rate and palladium loading on catalyst were studied.
考察了四氢糠醇流量、反应温度，氢气、氨气流量，Pd负载量对反应的影响。
With catalyst B(4 g/100 mL), at 60 ℃ and 5 MPa pressure, the selectivity and yield of THFA were both nearly 100.00%.
骨架镍催化剂B在60℃，5MPa，用量为4g/100mL糠醇时，四氢糠醇的选择性、收率可接近100 00%。
It is found that conversion of furfuryl alcohol was higher than 99%, and THFA yield and selectivity achieved or were close to 97%by using catalyst Ⅱ with a small quantity of promoters.
对于含少量助剂的镍催化剂Ⅱ，在393 K、4.0 MPa和空速0.25 h+{-1}时，糠醇转化率可达99%以上，四氢糠醇收率和选择性都达到或接近97%。
THFA was obtained with 99.56% selectivity in 99.41% yield at 60 ℃and 7 MPa pressure with catalyst A(4 g/100 mL).
骨架镍催化剂A在60℃，7MPa，用量为4g/100mL糠醇时，四氢糠醇选择性99 56%，收率可达99 41%。
The process for the synthesis of pyridine using tetrahydrofurfuryl alcohol (THFA) as material was researched in this article.
本论文主要研究了以四氢糠醇为原料合成吡啶的工艺。
The THFA yield and selectivity were 20% higher than those by using catalyst ⅰ without promoter, 3.0% higher than those by using Raney nickel catalyst under the same reaction conditions and furfuryl alcohol conversion.
在相同反应条件和糠醇转化率条件下，四氢糠醇收率和选择性均比没有助剂的镍催化剂Ⅰ高2.0%，比骨架镍催化剂高3.0%
Pyridine was prepared from tetrahydrofurfuryl alcohol (THFA) and ammonia by gas phase reaction over the catalyst MoO_3-Ce_2O_3-MgO supported on alumina.
研究了以四氢糠醇（THFA）为原料，MoO3-Ce2O3-MgO/γ-Al2O3为催化剂，经气固相接触催化合成吡啶的反应。
Tetrahydrofurfuryl alcohol (THFA) was prepared from furfuryl alcohol with hydrogenation reduction by using the catalyst at 393-413 K, 025-04 h - 1 and 20-40 MPa.
在393～413K、0.25～0.4h-1、2.0～4.0MPa条件下，用上述催化剂加氢还原糠醇制备四氢糠醇。
A new Ni-supported catalyst for the hydrogenation of furfural alcohol (FA) to tetrafurfuralalcohol (THFA) was developed, and the related experimental studies were carried out.
开发了一种镍基催化剂，该催化剂用于糠醇加氢制备四氢糠醇时表现出良好的性能。
The THFA product of hydrogenation in common pressure has been used in enzymatic reaction and expressed the same result as that of THFA from Sigma, the cost of reduction by hydroborates is lower.
常压氢化法的产品已用来代替进口试剂作为酶促反应的辅酶，但硼氢化物还原法成本最低，且能合成满足酶促反应要求的产物。
Reduction of FA is the common synthetic method of THFA. These methods include hydrogenation in high-pressure, reduction by hydroborates and reduction by dithionite.
在利用基因工程菌表达的丝氨酸羟甲基转移酶酶法制备L-丝氨酸的过程中，SHMT需要四氢叶酸作为辅酶。