在溶液中

A dual-wavelength resonance light scattering ratiometric method based on the interaction between bromothymol blue and cetylpyridinium bromide was developed for the determination of CPB.

在pH 1.5的乙酸钠-HC l缓冲溶液中，CPB本身的共振光散射很弱，BTB有一定的共振光强度，加入CPB后BTB的共振光信号显著增强，最大散射峰位于523 nm，且散射光强度与CPB的浓度呈线性关系，可以通过单波长共振光散射法检测CPB，CPB质量浓度的线性范围和检出限分别为0.05~0.60 mg/L和42μg/L。

Except heptanoyl chitin, four of them,i.e.acetyl chitin,propionyl chitin,butyryl chitin and hexanoyl chitin,had high degree of substitution(from 1.5 to 2.0)and exhibited lyotropic liquid crystalline behavior and cholesteric phase.

文摘：四种羧酰化甲壳素即乙酰化、丙酰化、丁酰化和己酰化甲壳素在二氯乙酸溶液中均呈现胆甾型溶致液晶相。

Polarization measurements showed that HBPT can inhibit the anodic reactions of the copper in 0.5mol/L H2SO4 and accelerate the cathodal reactions and act as a kind of anodic inhibitor.

极化曲线研究表明3，5-二（2-吡啶基）－1，2，4-三唑在0.5mol/L硫酸溶液中对铜的阳极反应起抑制作用，对铜的阴极反应起促进作用，属於阳极型缓蚀剂。

The effect of pre-polarization for Pt electrode on the behavior of anodic electrochemiluminescence of luminol in alkaline solution was studied. It was found that the Pt electrode cathodically prepolarized in alkaline solution with dissolved oxygen could enhance the ECL peak at about 0.22Vvs.

研究了铂电极的不同预极化处理过程对碱性鲁米诺阳极电致化学发光和阳极极化曲线的影响，发现在碱性含氧溶液中预还原处理的铂电极可增强0.22Vvs。

The original WO〓 film showed no response to the visible-light excitation. However, VLP was observed from WO〓 thin-film after it had been cathodically polarized in KNO〓/propylene carbonate solution.

初始薄膜对可见光照射没有反应，但将其在KNO〓/碳酸丙烯酯电解质溶液中进行阴极极化产生微弱变色后，则会产生强烈响应，变为深蓝色。

Methods Male mice were killed by cervical vertebrae dislocation, the caudae epididymides were removed and squeezed to HTF medium, then add oocyte-cumulus complexes, after IVF 22~24 h, wash the embryos and selected the two-cell embryos to 0.5 d pseudopregnant ICR mice.

对于需要净化的小鼠的雄鼠，采集附睾的精子，放入HTF溶液中获能，然后加入经过超排的卵团，体外受精。20~22 h后，挑选形态正常的二细胞胚胎，在净化实验室，移植给假孕的SPF级ICR母鼠，待产仔。

When ceric iodate is precipitated from acid solution by the addition of asoluble iodate,a gelatinous precipitate is obtained,which is difficult to filterand wash.

在均匀溶液中沉淀的碘酸铈，性质紧密，便利于过滤和洗涤。

In Na2CO3-NaHCO3 buffer solution, the apparent activation energy and activation parameters for cetyl trimethylammonium bromide micelle-catalytic hydrolysis of p-nitrophenyl propionate have been measured, and the effects of inorganic salts (such as NaCl, NaBr and Na2SO4) on them have also been investigated.

在Na2CO3-NaHCO3缓冲溶液中，测定了对硝基苯酚丙酸酯的十六烷基三甲基溴化铵胶团催化反应的表观活化能和活化参数；考察了无机盐(NaCl， NaBr， Na2SO4)对该催化反应的影响。

At last, the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles are studied by constructing the grey inhibition model of the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles.

通过对2—苯基丁腈缓蚀性能的理论预测和试验验证，认为利用某一类苯腈类化合物的缓蚀性能与分子结构关系，从理论上预测同类型苯腈类化合物的缓蚀性能是可能和合理的。灰色理论研究结果表明，苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀性能与分子结构参数的关系，可用GM（0，3）模型描述。

In the buffer solution of HAc-NaAc at pH 3.5, Cr reacts with chrysin by molar ratio 1:3, and forms a highly fluorescent active complex in the presence of some methanol. The maximum excitation and emission wavelengths of the complex are 260 nm and 429 nm respectively.

在含一定量甲醇的pH=3.5的HAc-NaAc缓冲溶液中，铬与白杨素能形成1：3的二元荧光配合物，其最大激发波长和发射波长分别为260 nm和429 nm。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。