此外，其他阻止磷酸二酯酶活性的化合物不是兴奋剂。
Moreover, other compounds that block phosphodiesterase's activity are not stimulants.
但Snyder 等人指出，抑制脑内磷酸二酯酶产生所需的咖啡因浓度要比产生刺激的咖啡因浓度高得多。
But Snyder et al point out that the caffeine concentrations needed to inhibit the production of phosphodiesterase in the brain are much higher than those that produce stimulation.
本发明涉及到反油酸乙酯的应用。
The invention relates to the application of elaidic acid ethyl ester.
科学家之间的一个热门话题是对酮酯的研究。
A hot topic among scientists was the study of the ketoester.
古细菌的细胞壁缺乏胞壁质，其连接是醚连接而不是酯连接。
Archaean cell walls lack murein, and their lipids have ether links rather than ester links.
采用单因素法探讨了影响D4-丙烯酸酯乳液预乳液稳定性的因素。
The influence factors on the pre-emulsion stabilization of D4-propenoic acid ester are discussed by using the mono-factor method.
以吖啶酯衍生物为发光标记物的CLIA的特点是：自然本底低和信噪比高。
CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background and high signal-to-noise ratio.
结果是有机钛酸酯硅烷十八烷酸。
生产了各种芳基三氟甲磺酸酯。
头孢呋辛普生酯和头孢呋辛酯均有效。
The cefpodoxime proxetl and cefuroxime axetil were both efficient.
椰油酰羟乙磺酸酯钠是其中的一种成分。
合成了一种新的乙酸2-辛基十二烷醇酯。
本发明涉及一种嘧菌酯和粉唑醇组合杀菌剂。
The invention relates to an azoxystronbin and flutriafol combined bactericide.
目的是研究坎替沙坦西酯对心血管肥大的作用。
The objective is to study the effect of candesartan cilexetil on cardiovascular hypertrophy.
吸附后的伪胆碱酯酶活性几乎是吸附前的3倍。
The pseudocholinesterase activity after adsorption was almost 3 fold compared with before adsorption.
本文讨论了聚氧乙烯硬脂酰胺磷酸酯盐的合成流程。
The process of how Polyoxyethylene stearamide phosphate was synthesized is discussed.
酒石酸苯二甲酯是一种合成的用于厌食症的刺激剂。
Phendimetrazine Tartrate is a stimulant synthesized for use as an anorexiant.
1990年，二氯萘酯被法国轮胎制造商米其林收购。
In 1990, Uniroyal was acquired by French tire maker Michelin.
研究了对甲基苯磺酸催化合成阿魏酸单甘油酯的工艺。
The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated.
结合地诺孕素结构特点，我们对双炔失碳酯进行改造。
Referring to dienogest's construction features, we reconstructed anordrin.
实验结果表明光还原法更能有效快速地裂解三硫酯键。
The results showed that the photoreduction is a more rapid and efficient that can cleave the trithiocarbonate.
磷酯酰肌醇二磷酸直接结合离子通道和调节它们的行为。
PIP2 binds directly to ion channels and modulates their activity.
采用不同培养时间的根霉全细胞脂肪酶催化合成己酸乙酯。
Rhizopus chinensis whole-cell lipases of different culture time were used to catalyzesynthesis of ethyl hexanoate.
本研究为氰烯菌酯防治水稻恶苗病的应用提供了相关数据。
This study offers data for application JS399-19 on management of rice bakanae disease.
结果表明，随着栽培密度的增加，籽粒中磷酸酯酶的含量增加。
The results show that with the increase of culture density, phosphatidate phosphatase in grains increases.
果味型烤烟香精主要由反式-2-己烯醛，甲酸己烯酯等组成。
The fruity type flue-cured tobacco essence mainly consists of trans-2-hexenal, hexenyl formate and the like.
聚丙交酯乙交酯涂层表面黏附血小板较多，个别血小板变形伸出伪足。
The adhesion platelets of PLGA coating were more, and some platelets deformed and the parapodium stretched out.
本发明涉及从阿德福韦制备阿德福韦酯二氧新戊酸双氧甲基酯的方法。
The invention relates to a method for preparing adefovir dipivoxil dual oxygen methyl pivalate from adefovir.
约有30种化合物已从绿茶的香气中鉴别出来，其中包括水杨酸苄酯。
Approximately 30 compounds including methyl salicylate have been identified in the aroma of green tea.
采用具有较高特性黏度、含成核剂的聚对苯二甲酸丙二醇酯（PTT）。
Synthesize polytrimethylene terephthalate with higher characteristic viscosity and nucleating agent.
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