查询词典 acetic

We are also the world's largest producer of acetyl products, including acetic acid, vinyl acetate monomer and polyacetal and a leading global producer of high-performance engineered polymers used in consumer and industrial products and designed to meet highly technical customer requirements.

公司在其主要产品市场上拥有首屈一指的市场地位，是世界上最大的乙酰基产品制造商之一，产品包括醋酸、醋酸乙烯和聚甲醛，公司在聚合物领域内也具有世界领先地位。

The protocol of this research would be carried out as follows: to evulate effects of sodium ferulate on experimental colitis model of rats induced by acetic acid and investigate its mechanism; to evulate effects of sodium ferulate on experimental colitis model of rats induced by trinitrobenzene sulfonic acid with ethanol and investigate its mechanism.

我们在建立乙酸、三硝基苯磺酸(2，4，6-trinitrobenzene sulfonic acid，TNBS)两种经典大鼠结肠炎模型的基础上，采用灌肠给药方式来观察阿魏酸钠对这两种大鼠实验性结肠炎的作用效果，进而从不同角度对其有关机制进行探讨，以期为阿魏酸钠成为IBD有效治疗药物的开发应用提供实验依据。

The results of this reseach showed that administration of SF intracolonically had protective effect on the colon injury in the rat model of colitis induced by acetic acid enema, which was probably due to the mechanism of antioxidation, inhibition ofarachidonic acid metabolis and platelets activation, administration of SF intracolonically also showed protective effect on the colon injury in the rat model of colitis induced by trinitrobenzene sulfonic acid and ethanol, which was probably due to antioxidation and inhibition of macrophages activation.

实验研究表明，大鼠分别经乙酸、TNBS和乙醇处理后均出现典型的结肠炎症状，给药后分别评价结肠粘膜损伤指标、结肠组织病理变化，检测结肠组织炎症指标、结肠组织氧化损伤指标及主要炎性细胞因子改变；实验结果：阿魏酸钠对大鼠乙酸性结肠炎结肠粘膜损伤具有缓解保护作用，其机制可能与直接抑制炎症结肠粘膜花生四烯酸代谢过度，抑制血小板活化，清除大量氧自由基有关；阿魏酸钠对大鼠TNBS性结肠炎粘膜免疫损伤亦具有缓解保护作用，其机制可能与抗氧化，抑制结肠巨噬细胞活化有关。

A novel experimental technique was developed to study the aging mechanism and kinetics of crude terephthalic acid particles in acetic acid.

针对粗对苯二甲酸高温熟化过程的特点，开发了一套气液固三相熟化动力学实验技术，进行了熟化过程的动力学实验研究，对粗对苯二甲酸的熟化过程机理进行了剖析和数学描述。

Acetic acid stain was used in abnormal patients. visual observation, photography, colposcopy and cervical biopsy were used. tbs （2001） report grading system was used in cytological diagnosis including the positive diagnosis of atypical squamous cells or more specimens.

细胞学诊断采用tbs（2001）分级报告系统，阳性诊断包括意义不明的不典型鳞状细胞及以上标本；且所有ascus以上病变的患者全部有病理组织学诊断结果，并对两者进行了对照分析。

Methods Thin Prep liquid-based cytological examination was used in 17520 patients. 5% acetic acid stain was used in abnormal patients. Visual observation, photography, colposcopy and cervical biopsy were used. TBS （2001） report grading system was used in cytological diagnosis including the positive diagnosis of atypical squamous cells or more specimens.

细胞学诊断采用TBS（2001）分级报告系统，阳性诊断包括意义不明的不典型鳞状细胞及以上标本；且所有ASCUS以上病变的患者全部有病理组织学诊断结果，并对两者进行了对照分析。

The R f value of the glucosamine sulfate was 0.36 measured by paper chromatography with the solvent system of pyridine, ethyl acetate, water and glacial acetic acid (5∶5∶3∶1 in volume).

经纸层析鉴定，以吡啶、乙酸乙酯、水和冰醋酸按体积比 5∶5∶3∶1组成的溶剂系统进行展层，氨基葡萄糖硫酸盐的Rf 值为 0 。36。

The Rf value of the glucosamine sulfate was 0.36 measured by paper chromatography with the solvent system of pyridine, ethyl acetate, water and glacial acetic acid (5:5:3:1 in volume).

经纸层析鉴定，以吡啶、乙酸乙酯、水和冰醋酸按体积比5：5：3：l组成的溶剂系统进行展层，氨基葡萄糖硫酸盐的Rf值为0.36。

The long-term and short-term effects of different propionic/acetic acid ratio and initial pH on the anaerobic and aerobic transformations of GAOs were studied.

2在丙酸和乙酸的碳摩尔浓度相同的情况下，GAOs吸收乙酸的速率较快，且在乙酸浓度适宜的情况下，GAOs对乙酸的吸收不需要长期驯化，短期提高进水中的丙酸量可抑制GAOs的生长。

The adsorption of formic acid, acetic acid, propanoic acid, pemanoic acid on basic polysiloxane resin was studied.

本文研究了甲酸、乙酸、丙酸和戊酸在三乙醇胺交联聚硅氧烷树脂上的吸附行为。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。