指示剂

With sodium succinate as carbon source and bromothymol blue as pH indicator,20 BTB agar plate positive strains were isolated,from which four of them were identified as aerobic denitrifiers.

利用琥珀酸钠作为碳源，溴百里酚蓝作为pH指示剂，共筛选得到20株BTB琼脂平板阳性菌。通过反硝化性能测定，复筛得到4株好氧反硝化细菌。

Surface seawater samples are pumped into a PVC tube enclosing an inner Teflon AF tube, which served as a long pathlength gas-permeable liquid-core waveguide for spectrophotometry. The Teflon cell contains a pH sensitive indicator-buffer solution consisting of bromothymol blue and sodium carbonate.

该传感器采用Teflon AF 2400液芯波导管作为C02选择透过性膜，该液芯波导管同时也是传感器的比色池，我们采用溴百里酚蓝和碳酸钠(Na_2CO_3)溶液为主要成份的pH敏感指示剂作为缓冲溶液。

The determination of MD1 concentration in aqueous solution by using bromthymol blue indicator method is described and a linear relationship is observed between absorbance and solution concentration ranged in 10-300 mg/L.

介绍了溴百里酚蓝为指示剂测定水溶液中MD 1质量浓度的方法，在10～300mg/L范围内溶液吸光度与浓度之间有良好的线性关系。

The other was pretreated the electrode with electrochemical oxidation and then reduction to get an electrochemically modified electrode.

通过〓和几种常用的DNA杂交指示剂在预处理玻碳电极上的吸附和电化学行为对活化电极进行了表征。

Purpose of review: Accurate quantification of extravascular lung water is an important issue in the management of patients with pulmonary edema.

综述目的：准确定量肺血管外的水分在管肺水肿的病人中是一项重要的内容，单向跨肺热指示剂法从上世纪90年代应用于临床，由于它简单易于操作使它很有吸引力。

The changes of hemodynamics and extravascular lung water were observed.

注射内毒素制成感染性休克模型，分别使用不同液体进行复苏，使用脉波指示剂连续心排血量监测仪监测血流动力学指标和血管外肺水的变化。

The graphite and acetylene black are added to a anode material in making Zn-Mn battery, therefore the sample solution prepared appears as feculency and the titration end point of the solution is difficult to judge when active manganese in the battery is determined by iodimetry with starch as a indicator.

在测定锌锰干电池锰粉中活性二氧化锰含量时，由于制备电池时正极锰粉中添加了乙炔黑、石墨等导电材料，使制得的样品溶液显色且混浊，影响用淀粉作为指示剂进行碘量法滴定终点的判断。

Gravimetric Method for the Determination of salinity, acid-base titration indicator for the determination of the acidity.

重量法用于矿化度的测定，酸碱指示剂滴定法用于酸度的测定。

The oxygen-flask cormbustion method is used to determine the total phosphorus in cotton seed using lanthanum nitrate as titrant and haematoxylin as indicator.

氧瓶燃烧法以硝酸镧标准溶液做滴定剂，苏木精为指示剂，测定棉籽中的总磷。

The synthesis of eight compounds ( borneol ester and isoborneol ester) and other esters catalyzed by nanometer solid superacids were also researched. In addition, we still analyzed the distinction of esterification yield of borneol ester and isoborneol ester. The particle size, surface area, changes of profile and acidity of nanometer solid superacids were mensurated and analyzed by TEM, BET, XRD, IR and acid indicator.

对纳米固体超强酸催化合成系列正、异冰片酯及其它酯的反应作了一定的研究，论文分析了正、异冰片酯化反应的差异，并用TEM、BET、XRD、IR及酸标指示剂等方法和手段对纳米固体超强酸的粒度、比表而积、形貌变化及其酸性大小进行了分析和测定，通过IR、~1H NMR、~？

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。