醋酸

One week after administration of lead acetate and cadmium chloride, the numbers of NOS-positive IC reduced significantly. With prolonging administration of such metal salts NOS activity gradually reduced.

给予醋酸铅和氯化镉1周后，NOS阳性的睾丸间质细胞数量明显减少，并随给药时间延长而加重，NOS活性逐渐降低，给药4周后NOS阳性的睾丸间质细胞几乎不着色。

The predispersed solvent extraction of lincomycin from fermentation broth containing mycelium taking butyl acetate as extractant has been studied.

以醋酸丁酯为萃取溶剂，采用预分散溶剂萃取法从含菌丝发酵液中直接萃取林可霉素。

However, the increase of viability was less than one log scale as compared to the controls in the high-temperatue adapted and acidulants adapted V.

然而经过高温、乳酸、醋酸适应过的肠炎弧菌对於低盐压力比控制组的会稍微高不到一个对数值。

Twenty-four test lysimeters containing 20-30kg prepared and residential refuse each were monitored for the settlement of refuse surface under a constant pressure of 0.05MPa and for leachate generation rate as well as the evaluation of stabilizing time of refuse landfill in Shanghai.

在24只聚乙烯塑料桶中，分别装填了人工配制和上海市燃气居民生活区的生活垃圾，研究了垃圾恒压表面沉降速度及添加物氮、磷、钾及铬、铜、钨、钼、铁和醋酸的加入对该速度的影响。

Lappaconite hydrobromide was regarded as positive control medicine, and used acetic acid-induced test study the analgesic activity of different solvent extracts of Meconopsis quintupcinervia Regel.

采用加热回流法提取五脉绿绒蒿，以氢溴酸高乌甲素为中度以上镇痛阳性对照药，利用醋酸致小鼠扭体为指标，研究五脉绿绒蒿不同溶剂提取物的镇痛活性。

Was extracted with 95% ethanol at first,and then the ethanolic extract was separated with petroleum ether, ethyl acetate, n-Butyl alcohol and methanol in turn to get four fractions from small to large in polarity. The MTT experiment was made for active screening.

方法青天葵部位提取物的制备主要采用溶剂法，青天葵全草先用95%的乙醇提取，得到的提取物进一步用石油醚、醋酸乙酯、正丁醇、甲醇依次提取，得到极性由小到大的4个提取部位。

May be neutralized with dilute mineral acid or vinegar.

本品呈微碱性，可用稀释的矿物酸或食用醋酸中和之。

The alumina supporters with 4-7mm were impregnated with an aqueous solution of RE, Sr, Cu and Zr acetate mixture, and then were calcined in a muffle furnace in air at 800-1000℃ for several hours.

将φ4—7毫米颗粒状氧化铝载体浸渍于RE、Sr、Cu、Zr的醋酸盐混合物水溶液，在800—1000℃空气气氛下于马弗炉中煅烧数小时。

This research also indicated that (1) amount of total phenolic compounds, total flavones and percent of DPPH scavenging activity can be used as discriminate index for different kinds of vinegars,(2) new antioxidant may be formed during acetic acid fermentation period and decoction period, and be worth further researching.

本论文实验还表明：(1)总酚含量、总黄酮含量、DPPH自由基清除活性可作为不同种食醋的鉴别指标之一；(2)食醋酿造醋酸发酵阶段和煎煮过程中可能会生成一些新的具有抗氧化性的成分，可能值得进一步研究。

In order to ascertain Auto-circular fermentation technology of Mulberry vinegar and find out the vinegar 's ability to eliminate DPP H ., the liquid fermentation techniques of Mulberry vinegar, produced by using Auto-circular fermentor , have been analyzed and the micro-organism on the Mulberry fruit surface has been observed with microscope, the total flavones content as well as the free radical-DPPH eliminating ability in several kinds of vinegars have been tested.

为了确定桑椹醋自回淋发酵工艺，并了解其对 DPPH 自由基的清除能力，以秦巴山区桑椹为原料，采用液态自回流发酵法生产桑椹醋，从原料菌群、酒精发酵主产物和醋酸发酵主产物的动态变化趋势等方面对其工艺进行了分析，并采用比色法对桑椹醋总黄酮含量及其 DPPH 自由基的清除率进行了测定。

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。