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For developing an immunoassay for multiple residues of pyrethroid pesticides, the hapten N-2- carbanmoyl-(3"-phenoxyphenyl) methyl 3-(2"-Cldoro-3",3",3"-trifluoropropenyl)-2, 2-dimethylcyclopropane- carboxylate was synthesized from cyanohydrin and 3-(2"-Chloro-3",3",3- trifluoropropenyl)-2, 2-dimethylcyclopropanecarboxylic acid via hydrolysis and esterification. The synthesis of the hapten was foundation of preparaing anti- cyhalothrin polyclonal antibodies.

为了制备对单一拟除虫菊酯高特异性的抗体,以菊酸和氰醇为起始原料,通过水解、酯化反应合成了半抗原N-2-氨甲酰-(3-苯氧基苄基)甲基-3-(2-氯-3,3,3-三氟丙烯基)-2,2-二甲基环丙烷羧酸酯,为进一步制备抗三氟氰菊酯的特异性抗体奠定基础。

The linear concentration ranges for γ-aminobutyric acid, valine and leucine were 5.0×10^(-3)-0.12 g/L, 5.0×10^(-3)-0.08 g/L and 5.0×10^(-3)-0.12 g/L, respectively, and the detection limits (S/N=3) were 2.5×10^(-3), 2.5×10^(-3) and 2.6×10^(-3) g/L, respectively. The relative standard deviations of the peak currents of γ-aminobutyric acid, valine and leucine were 2.5%, 4.9% and 3.9%(n=7), respectively.

氨基丁酸、缬氨酸和亮氨酸的线性范围分别为5.0×10^(-3)~0.12、5.0×10^(-3)~0.08和5.0×10^(-3)~0.12 g/L,检出限(S/N=3)分别为2.5×10^(-3)、2.5×10^(-3)、2.6×10^(-3)g/L;7次平行进样峰高的相对标准偏差分别为2.5%、4.9%、3.9%。

To study the bioactive components from water soluble extract of the Chinese eaglewood, various column chromatography of Chinese eaglewood led to the isolation of ten compounds. Their structures were elucidated as 2,3-bis(3-hydroxyphenyl)- propan-1-ol (1), [(2R,3R)-3-(4-amino-3,5-dimethoxyphenyl)oxiran-2-yl]methanol (2), 8-chloro-4'- methoxy-5,6,7,3'-tetrahydroxy-2-(2-phenethyl)-5,6,7,8-tetrahydrochromone (3), 4'-methoxy-5,6,7,3'-tetrahydroxy-2--5,6,7,8-tetrahydrochromone (4), the isomer of 4 (5), 4'-methoxy-5,6,7,8-tetrahydroxy-2-(3'-hydroxyphenethyl)-5,6,7,8- tetrahydrochromenone (6), 4'-methoxyisoagarotetrol (7), 6-hydroxy-2-(2-hydroxy-2- phenethyl)-chromone (8), 6-hydroxy-2-(2-phenethyl)-chromone (9), 6-hydroxy-2-(4'- hydroxy-2-phenethyl)-chromone (10), and Guaiacylacetone (11) by means of spectral analysis and comparison with references.

为了进一步发现沉香中具有生理活性的化学成分,本文对国产沉香的水溶性成分进行了研究,从中分离得到11个化合物,通过红外、紫外、质谱、核磁共振(1H-NMR, 13C-NMR, COSY, HSQC, HMBC, ROESY)波谱解析,分别鉴定为:2,3-二(3-羟基苯基)-丙-1-醇(1),[(2R,3R)-3-(4-氨基-3,5-二甲氧苯基)-2-氧化烯基]甲醇(2),8-氯-4'-甲氧基-5,6,7,3'-四羟基-2-(2-苯乙基)-5,6,7,8-四氢色原酮(3),4'-甲氧基-5,6,7,3'-四羟基-2-(2-苯乙基)-5,6,7,8-四氢色原酮(4),化合物3的差向异构体(5),4'-甲氧基-5,6,7,8-四羟基-2-(3'-羟基-2-苯乙基)-5,6,7,8-四氢色原酮(6),4'-甲氧基异沉香四醇(7),6-羟基-2-(2-羟基-2-苯乙基)色原酮(8),6-羟基-2-(2-苯乙基)色原酮(9),6-羟基-2-(4'-羟基-2-苯乙基)色原酮(10)和Guaiacylacetone (11)。

We found out one kind of new orange-red long afterglow material La2O2S: Eu3+, Mg, Zr.2 In the phosphor Gd2O2S, Mg, Ti which was prepared by high-temperature solid-state method, the orange afterglow phenomenon can be seen after illuminated with UV light.3 Using the high-temperature solid-state method, Gadolinium oxysulfide phosphors doped with rare earth ions were synthesized. We can observe the red or orange phosphorescence in Gd2O2S doped with Eu3+, Sm3+, Tm3+, Yb3+, Dy3+, Er3+, Nd3+or Ho3+. This is a new result of the long afterglow phosphors research.4 Using the microwave radiation method, the new Sm3+ doped gadolinium oxysulfide phosphor, which has the orange-red long afterglow emission after illuminated with UV light or visible light, was synthesized for the first time.5 In fluorescent materials YOX doped with europium ions, the long afterglow phenomenon wasnt observed but the blue luminescence of Eu2+ and red luminescence of Eu3+ are simultaneously examined. This is a new result of the valence stability and change of Eu2+ in yttrium oxyhalide .We systematically studied the effects of the host, addition agents and reaction atmosphere on the valence change and fluorescence property of europium ions.

经过系统的研究总结得到以下的结论与成果: 1采用高温固相反应法合成了一系列稀土离子掺杂的硫氧化镧发光粉,发现了该体系中Eu~(3+)的长余辉发光,从而得到一种迄今未见文献报道的红色长余辉发光材料:La_2O_2S:Eu~(3+),Mg,Zr; 2在Gd_2O_2S,Mg,Ti磷光粉中观察到橙色的长余辉发光现象; 3采用高温固相反应法合成了一系列稀土离子掺杂的硫氧化钆磷光粉,在掺杂Eu~(3+)、Sm~(3+)、Tm~(3+)、Yb~(3+)、Dy~(3+)、Er~(3+)、Nd~(3+)、Ho~(3+)的Gd_2O_2S中观察到红色和橙色长余辉发光; 4首次采用微波法合成了Gd_2O_2S:Sm~(3+),Mg,Ti磷光粉,该磷光粉经紫外或可见光激发后呈现明显的橙红色长余辉发光; 5在YOX中同时观察到Eu~(2+)和Eu~(3+)的发射,系统研究了基质、添加剂及反应气氛对Eu价态和发光的影响。

Spikelets 3–5(–6) mm, dark purple; glumes lanceolate, subequal or lower glume slightly shorter than upper, lower glume 1-veined, upper glume 3-veined, scabrid, apex acuminate; callus hairs ca. 1/3 length of lemma; lemma 3–4.5 mm, papery, hyaline at margins and apex, sometimes scabrid; apex irregularly 4-toothed; awn arising from upper 1/3 of lemma back or above, 1–2.5(–6) mm, straight or slightly curved; palea ca. 2/3 as long as lemma; rachilla conspicuously penicillate, 1.5–2 mm, including hairs up to 5 mm. Anthers 1.4–2.3 mm.

小穗3-5(-6)毫米,深紫色;披针形的颖片,近等长或下部颖片稍短于上面,下部颖片1脉,3脉,粗糙的上面颖片,先端渐尖;约的胼胝体毛1/3段外稃;外稃3-4.5毫米,似纸,透明的在边缘和顶,有时粗糙;不规则的先端4齿;芒生于上面外稃背面或在上部的1/3,1-2.5(-6)毫米,直或稍弯曲;大约2/3的倍于外稃的内稃;显著具毛撮的小穗轴,1.5-2毫米,包括头发可达5毫米花粉囊1.4-2.3毫米。

The relevant parameters of the ulnar nerve were as the follows:at the level of proximal margin of the pisiform bone 3.6±0.3 mm/3.2±0.3 mm and 3.8±0.3 mm/3.0±0.2 mm;the dorsal cutaneous branch 2.5±0.2 mm/1.4±0.2 mm and 2.6±0.3 mm/1.3±0.2 mm.

尺神经主干横径与纵径:左3.6±0.3 mm,3.2±0.3 mm;右3.8±0.3 mm,3.0±0.2 mm;手背支横径与纵径为2.5±0.2 mm,1.4±0.2 mm;右2.6±0.2 mm,1.3±0.2 mm。

The results of biological tests indicated that, at 25 g/mL, 1-(4-bromo-3-ethyl-1-methyl-pyrazol-5'-ylcarbonyl-4-(2-nitrophenyl) semicarbazide (4d) showed inhibitory activities (52.6%) against Pyricularia oryzae. 1-(4-bromo-3-ethyl-1-methyl-pyrazol-5'-ylcarbonyl)-4-(3-chlorophenyl) semicarbazide (4j), 1-(4-bromo-3-ethyl-1-methyl-pyrazol-5'-ylcarbonyl)-4-(2,4-dimethylphenyl) semicarbazide (4k), 1-(4-bromo-3-ethyl-1-methyl-pyrazol-5'-ylcarbonyl)-4-(3,4-dimethyiphenyl) semicarbazide (41) and 1-(4-bromo-3-ethy-1-methyl-pyrazo1-5'-ylcarbonyl)-4-(2,4-difluorophenyl) semicarbazide (4m) showed inhibitory activities (45.6%) against Pyricularia oryzae, repestively.

初步生物活性实验结果表明,在25μg/mL浓度下,1-(1-甲基-3-乙基-4-溴-5-吡唑甲酰基)-4-(2-硝基苯基)氨基脲(4d)对水稻稻瘟病菌Pyricularia oryzae抑制活性达到52.6%;1-1-甲基-3-乙基-4-溴-5-吡唑甲酰基)-4-(3-氯苯基)氨基脲(4j,1-(1-甲基-3-乙基-4-溴-5-吡唑甲酰基)-4-(2,4-二甲基苯基)氨基脲(4k),1-(1-甲基-3-乙基-4-溴-5-比唑甲酰基)-4-(3,4-二甲基苯基)氨基脲(41)和1-(1-甲基-3-乙基-4-溴-5-吡唑甲酰基)-4-(2,4-二氟苯基)氨基服(4m)对水稻稻瘟病菌Pyricularia oryzae抑制活性达到45.6%。

The result shows that the average somatolog ical values of the world elite synchronized swimmer s are 3.81 3.26 3.20 while the somatological values of the best swimmer s are 3.50 3.42 3.58.The somatotyp e mean value for the Chinese synchronized swimmer s is 3.85 2.50 3.75,which me somorphical value is obviously lower than the total average values and the best swimmer 's value.

结果表明,世界优秀花样游泳运动员的平均体型分值为 3.81 - 3.2 6 - 3.2 0 ,最优秀运动员体型的平均分值是 3.5 0 - 3.42 - 3.5 8,中国花样游泳运动员的平均体型分值为 3.85 - 2 。5 0 - 3.75 ,中因子分值明显低于总体均值和最优秀运动员值。

A compound of formula wherein R1 is hydrogen, halo or methoxy; R2 is hydrogen, halo, methyl, ethyl or methoxy; R3 is carboxy, tetrazolyl, or -CONHSO2R where R is methyl, ethyl, phenyl, 2,5-dimethylisoxazolyl or trifluoromethyl; T is -CH2- or -SO2-; and ring A is 3-chlorophenyl, 4-chlorophenyl, 3-trifluoromethylphenyl, 3,4-dichlorophenyl, 3,4-difluorophenyl, 3-fluoro-4-chlorophenyl, 3-chloro-4-fluorophenyl or 2,3-dichloropyrid-5-yl; or a pharmaceutically acceptable salt or prodrug thereof, as well as pharmaceutical compositions containing them are described and claimed.

本发明涉及一种式化合物,其中R 1 是氢原子、卤素或甲氧基;R 2 是氢原子、卤素、甲基、乙基或甲氧基;R 3 是羧基、四唑基或-CONHSO 2 R 4 ,其中R 4 是甲基、乙基、苯基、2,5-二甲基异∴唑基或三氟甲基;T是-CH 2 -或-SO 2 -;环A是3-氯苯基、4-氯苯基、3-三氟甲基苯基、3,4-二氯苯基、3,4-二氟苯基、3-氟-4-氯苯基、3-氯-4-氟苯基或2,3-二氯吡啶-5-基;或其药用允许的盐或前药,还包括所阐述和要求权利的含有它们的药用组合物。

PL spectra indicate that the emission bands at 515 and 542 nm correspond to the 2H(subscript 11/2)→4I(subscript 15/2) and 4S(subscript 3/2)→4I(subscript 15/2) transitions of Er(superscript 3+), respectively. In the samples, the cerium dopant exists as Ce(superscript 3+) and Ce(superscript 4+). Ce(superscript 3+) sensitizes Er(superscript 3+) and enhances the luminescence intensity of the doped nanorods remarkably and energy transfer from Ce(superscript 3+)→Er(superscript 3+) was observed.

对发光机理的初步研究表明:发光分别对应于Er(上标 3+)的2H(下标 11/2)→4I(下标 15/2),4S(下标 3/2)→4I(下标 15/2)跃迁,铈离子以Ce(上标 3+)和Ce(上标 4+)两种形式存在于体系中,Ce(上标 3+)对Er(上标 3+)起敏化作用,可以显著增强β-BBO:Er(上标 3+)/Ce(上标 3+)/Ce(上标 4+)纳米棒的发光强度,存在Ce(上标 3+)→Er(上标 3+)的能量传递过程。

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推荐网络例句

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因,如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务,你就做你的事好了。

Who is in possession of this?

这是谁的?