catalysts造句

The plasma-prepared catalysts or catalysts modified by plasma exhibit higher catalytic reactivity.

However, dendrimer catalysts are not easily synthesized and rare earth Lewis acid catalysts are easily deliquescence.

Enzymes are highly efficient and specific biochemical catalysts.

The transition metal elements with various oxidation states could be introduced into the catalysts and mortify the performance of catalysts.

Cyclohexane dehydrogenation over the platinum catalysts supported on carbon nanomaterials

Metal passivator can inhibit nickel and vanadium pollution on the catalytic cracking catalysts and improve the property of polluted catalysts.

Synthesis of dimethyl carbonate over ZnO-TiO_2-SiO_2 composite catalysts

For modified hectorite catalysts the selectivity of by-products could be controlled around 45%, which make a big advancement from solid catalysts synthesized by SiO2.

The review focuses on the different catalysts and craft on the hydrogenation of the major terpene: pinene, dipentene, citronellal citral, geraniol etc over catalysts and craft.

We found that in the 112 nanometer catalysts tested, the strong, moderate and weak sorption nanometer catalysts were 29,36 and 47 respectively by the haemagglutination test.

People who act as catalysts and assume the responsibility for managing the change process.

The effects of reaction conditions and catalysts surface acidity on esterification reaction were investigated.

The chemists have tinkered with heat and metal catalysts to refine their materials.

The supported metal catalysts prepare by this method are superior in dispersivity and thermal stability.

Metathesis of ethylene and 2-butylene to propylene over WO_3/SiO_2 catalysts

The effects of catalysts on the bonding processing property and bonding strength of polyurethane adhesive were studied in this article.

Uses: used Lanthanum tungsten, lanthanum molybdenum cathode materials, ternary catalysts, petrochemicals, gas lamps mantle additives, alloy, refractory metals.

It is well known that all chemical conversions require catalysts, high pressure, or elevated temperature to occur.

The amine hydrochloride is subsequently reacted with acetylene in the presence of mercury free catalysts to produce vinyl chloride.

The cholera epidemics that overran Europe between 1830 and 1847 were catalysts for intensive infectious disease diplomacy and multilateral cooperation in public health.

Besides, the solid catalysts are immersed in liquid distillates, so the heat of exothermic reactions is immediately absorbed by vaporizing more liquid.

The antithesis of this view is to see translation as the provocation of cultural conflict with translators as the catalysts of culture clash.

The present paper covers the mechanism of coordination reaction of porphyrins with some metal ions studied by fluorometry and the catalytic mechanism of some catalysts.

Various FCC catalysts and relevant materials were ground by using SKR 80 sand grinder. The changes of zeolite crystallinity and particle size during grinding were found.

We have a variety of long-term supply supply of used cars three catalysts, three-way catalytic waste, mainly cars have Toyota, Honda, Santana, Buick, Chevrolet, Chinese and so on.

However, it has many disadvantages, so the development of new types of catalysts with high efficiency is an important subject in the field of synthesis of carboxylic acid esters.

The catalysts exhibited good adaptability to feedstock at high carbon space velocity, with higher conversion, little pressure drop over the bed, good tolerance to steam hydration, poisoning and coke formation, and good regeneratibility.

The conversion of -SH groups on the pore surface of the mercapto-functionalized mesoporous silicas with high hydrothermal stability to -SO3H gave rise to a series of solid acidic catalysts.