查询词典 ir

The result suggests that IGF-IR and EGFR might be involved in mediating the effects of energy intake on the development of reproductive system in prepubertal gilts.

结果表明：日粮能量水平显著影响初情期前母猪卵巢上两种生长因子受体的表达，高能量对表达有促进作用，有利于两种生长因子作用的发挥，从而利于生殖系统的生长发育；因此，IGF-1R和EGFR可能参与介导能量摄入对初情期前母猪生殖系统发育的影响。

The IR spectra of the copolymers demostrate that copolymers were polycondensation product of homopolymer of propargyl alcohol with phthalic acid.

IR光谱证明了共聚物是邻苯二甲酸与丙炔醇均聚物的缩合产物。

Results and conclusion The structure of 2-(4-bromomethylphenyl) propionic acid was identified by 1H-NMR, FT-IR and MS analysis. The target compound was prepared in an overall yield of 38%.

结果与结论关键中间体2-（4-溴甲基）苯基丙酸的结构经1H-NMR、FT-IR、MS谱确证，目标化合物的总收率为38%。

Results and conclusion The structure of 2-(4-bromomethylpheny1)propionic acid was identified by1H-NMR, FT-IR and MS analysis. The target compound was prepared in an overall yield of 38%.

结果与结论关键中间体2-4-溴甲基）苯基丙酸的结构经1H-NMR、FT-IR、MS谱确证，目标化合物的总收率为38%。

Propoxy propyl cellulose was synthesized by esterification with hydroxypropyl cellulose as raw material. The chemical structure of PPC was characterized by Fl' IR.

以羟丙基纤维素为原料，通过酯化反应合成了丙酰氧丙基纤维素，通过FT-IR表征其化学结构。

Their structures were characterized by IR, 1H NMR, of which 4-chloro- 2-methyl-7-(2-bromoethoxy) isoflavone, 2, 4\'-dimethyl-7-(2-bromo-ethoxy)isoflavone and 2-methyl-7-(2-bromoethoxy) isoflavone are rarely reported so far.4\'-chloro-2-methyl-7-(3-bromopropoxy)isoflavone, 2, 4\'-dimethyl-7-(3-bromo- propoxy) isoflavone, 2-methyl-7-(3-bromopropoxy) isoflavone, 4\'-methoxy-2-methyl-7-(3-bromopropoxy) isoflavone and 4\'-hydroxy-2-methyl-7-(3-bromopropoxy) isoflavone were gained by reacting 7-hydroxy-2-methyl isoflavone derivatives with 1, 3-dibromo- propane, respectively.

第三章(来源：73ABC论文网www.abclunwen.com)在丙酮溶液中以K_2CO_3为碱，使溴乙氧基异黄酮和溴丙氧基异黄酮与咪唑偶合，以较高的产率合成出10种目标化合物：2-甲基-4′-氯-7-2-(1-咪唑基乙氧基异黄酮、2，4′-二甲基-7-2-(1-咪唑基乙氧基异黄酮、2-甲基-7-2-(1-咪唑基乙氧基异黄酮、2-甲基-4′-甲氧基-7-2-(1-咪唑基乙氧基异黄酮、2-甲基-4′-羟基-7-2-(1-咪唑基乙氧基异黄酮、2-甲基-4′-氯-7-3-(1-咪唑基丙氧基异黄酮、2，4′-二甲基-7-3-(1-咪唑基丙氧基异黄酮、2-甲基-7-3-(1-咪唑基丙氧基异黄酮、2-甲基-4′-甲氧基-7-3-(1-咪唑基丙氧基异黄酮、2-甲基-4′-羟基-7-3-(1-咪唑基丙氧基异黄酮，经IR、~1H NMR、~(13)C NMR、元素分析等对其结构进行了表征，10种目标产物均未见文(来源：ABC论文cccccc网www.abclunwen.com)献报道。

Pseudocubic shaped α-Fe2O3 nano-films were prepared by dip-coating technique. The structure, morphology and spectroscopy of the thin films were characterized by XRD, AFM, UV-Vis and FT-IR methods.

采用浸渍提拉法制备了准立方体α-Fe2O3纳米薄膜，利用XRD、AFM、UV-Vis和FT-IR对其表面形貌和谱学性质进行了表征。

The VIP IR-neurons in the pterygopalatine ganglion may be involved in the mechanism of AR.

翼腭神经节内VIP神经元可能参与变应性鼻炎的发病。

In addition, we also characterized the pured product including Mono-SGC and Di-SGC by IR, UV, XRD, TG-DTG There are many similar characterization, so we can conclude that their struction are very similar. There are some special quality about Di-SGC.

通过对一甘氨酸钠碳酸盐和二甘氨酸钠碳酸盐的IR、UV、XRD、TG-DTG表征性质研究，我们发现一甘和二甘的上述表征有许多类似的地方，从而可以看出它们有十分类似的结构。

Sample compartment: Single IR channel, access from front and top, measurement area: 8 mm diameter, purgeable, center focus, 255 x 270 x 160 mm provisions for connections of all accessory units.

样品仓：单 IR 通道，可以从仪器前面和上面装样，测量区域：8mm ，可吹扫，中心聚焦，样品仓体积为255 x 270 x 160 mm，可放置所有附件。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。