查询词典 precursor

Using oxalate as precursor, Al〓O〓-doped Co powder may contain only face centered cubic Co, i.

掺杂质点进入钴粉的晶格中，使之点阵常数发生了变化。

Based on the brand life cycle theory and the complexity of the market,this article proposes that a medicine brand life cycle consists of five phases,i.e.,the precursor,appearance,cognizance,famousness and decline.It also analyses the feature of each phase and the relevant marketing strategy f...

文章从品牌生命周期理论出发，结合药品市场的复杂性，提出了药品品牌生命周期，将其分为前导期、产生期、知晓期、知名期、衰退期五个阶段，分析了各个阶段特点，并针对每个阶段提出了相应的药品营销策略。

Using cobalt chloride and ferromanganese as precursor of cobalt-based catalyst, the performance of the catalyst for hydroformylation of cyclohexene was studied.

以氯化钴和锰铁合金粉为钴基催化体系的前驱体，研究了该催化剂体系对环己烯氢甲酰化反应制备环己烷基甲醛的催化性能；并考察了溶剂、温度、压力等反应条件的影响。

Endotoxin and tetrahydrobiopterin enhanced the activation of NO synthesis and ACO, but L-arginine, the precursor of NO, showed noticeable inhibition on the elevation of NO metabolites and the degree of ACO. In addition, L-arginine show prominent inhibition on myocardial fibrinosis.

诱导iNOS活性的药物也可加重动脉钙超负荷损害，然而NO合成的前体物质L-精氨酸对ACO早期血NO〓〓/NO〓〓升高有明显抑制，同时抑制ACO，尤其对心脏钙超负荷损害有明显的保护作用。

Precursor front: front-wheel drive front engine driving the form of the last century after the massive rise of 70's and perfected form of the driver, most of the existing small and medium-sized cars also adopted the same drive form.

前体阵线：前轮驱动前置引擎驱动的形式，上个世纪后的大规模崛起， 70年代形成和完善的驱动程序，大多数现有的小型和中型轿车也采取了同样的驱动器的形式。

Selecting the suitable fulgurite medium KCl and annealed at 600～800℃,the precursor can grow into SnO2 nanorods via self assembly.

选择合适的熔盐介质 KCl，在600～800℃对前驱物进行退火处理，前驱物纳米颗粒可自组装生长形成SnO2 纳米棒、纳米线。

On calcination, the precursor powders were converted to crystalline yttrium gadolinium oxide at 600℃.

先驱物在600℃煅烧后可以得到立方晶型的YGO粉体。

The activity trend of 3 -glucosidase presented good corresponding relation with increasing of the free aroma and decreasing of precursor aroma.

葡萄糖苷酶的变化趋势与游离态香气的逐渐增加和键合态香气成分的减少呈较好的对应关系。

It is also an important intermediate of GLYCOLYSIS, being the immediate precursor of pyruvic acid.

它也是糖酵解过程中重要的中间物，是丙酮酸的直接前体，在乙醛酸循环中由草酰乙酸产生而合成葡萄糖。

PubMed abstract: Gramicidin perforated-patch-clamp recordings in brain slices were used to obtain an accurate assessment of the developmental change in the GABAA receptor reversal potential in embryonic and early postnatal rat neocortical cells including neuroepithelial precursor cells, cortical plate neurons, and postnatal neocortical neurons.

PubMed摘要：大脑部分的短杆菌肽穿孔片钳记录，用於获得胚胎中GABBA受体逆向电压发展改变的精确估计，以及出生后大鼠早期新生皮层细胞，包括神经上皮先驱细胞、皮层板神经元和出生后新皮层神经元的估计。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。