盐酸的

The nerve blocking efficacy of alkalinized bupivacaine solution is more potent than that of contrast group.

碱化布吡卡因对传导麻醉的作用强度显著大于盐酸布吡卡因，且对蟾蜍坐骨神经阻滞的速度明显加快。

The residue was taken up in 1000ml water, acidified by the addition of conc HCl, and washed with 3x50ml DCM, basified with 25% NaOH, and extracted with 3x100ml DCM.

将残留液置于1000毫升水中，使用浓盐酸进行酸化，用3x50ml的DCM溶液冲洗，用25％氢氧化钠进行basified，然后用3x100ml的DCM溶液进行提取。

Then, low-dose broad-spectrum antibiotic was prophylactic used to prevent secondary infections. Drugs addressing gastrointestinal bacterial flora or constipating remedy, such as Bifidobiogen-Livzon, Smecta and loperamide were used to regulate the gastrointestinal bacterial flora and antidiarrheal.

d，连续静滴14 d；预防性应用小剂量广谱抗生素，避免继发性感染；应用调节胃肠道菌群的药物和止泻药物：双歧杆菌活菌制剂、蒙脱石散剂、盐酸洛哌丁胺胶囊等；调节免疫抑制剂的用量及对症支持疗法。

Intensified marinating method was put forward in paper that fertilizer was marinated in 80℃, 1∶20 ratio 2% hydrochloric acid solution and mixed round the upper solution at the same time.

文中提出了&强化浸泡法&，即以80℃、1∶20的2%盐酸溶液浸泡肥料，并用搅拌器以150 r/min的速度搅拌上层溶液。

The optimum extraction method of amino acid was as follows: the samples were sieved by 60 meshes treatment and treated by ultrasonic extraction with 0.005 mol/L hydrochloride for 30 min.

最优的氨基酸提取方法是：样品过60目筛，用0.005mol/L的盐酸超声萃取30min。

Compared with the time, the impact of temperature factors on the layer thickness is greater. The surface hardness of 45 steel is greatly improved for the exist of FeB; the corrosion resistance of boronizing layer is excellent which can resist hydrochloric acid, sulfuric acid and sodium hydroxide.

相比而言，温度对渗硼层厚度的影响大于时间的影响；渗硼层中FeB相使表面硬度显著提高；渗硼层抗盐酸、硫酸、氢氧化钠腐蚀性优良。

Its stability was investigated after calcination and after separate treatments in boiling acid, base and different ammonium salt solutions for 6h.

采用三段晶化法合成了MCM-22分子筛，研究了MCM-22分子筛的热稳定性，分别用盐酸、NaOH和铵盐溶液在沸腾条件下处理MCM-22分子筛6h，考察MCM-22分子筛对酸、碱、铵盐的稳定性。

Low levels of the crust, melting point 3180 ℃, boiling point 5627 ℃, the relative density of 2053, the external F electronic structure 5d56s2, reaction time will be lost 1-7 electronic, but also can capture an electron, so oxidation number of 0,± 1, 2 , 3, 4, 5, 6 and 7, rhenium with the halogen in the fluorine, chlorine, bromine reaction halides dissolved in water, can dissolve in nitric acid and ammonia hydrogen peroxide solution, but do not dissolve in hydrochloric acid.

地壳中含量很低，熔点3180℃，沸点5627℃，相对密度2053，外围F 电子结构5d56s2，反应时会丢失1—7个电子，也可捕获一个电子，所以氧化数为0、±1、＋2、＋3、＋4、＋5、＋6和＋7，铼能与卤素中的氟、氯、溴反应生成溶于水的卤化物，能溶于硝酸和含氨过氧化氢等溶液，但不溶于盐酸。

The inhibition effect of cinnamic aldehyde and its synergistic inhibition effect with cinnamic aldehyde on corrosion of NX60 carbon steel were investigated by using poteniodynamic scan technique.

用动电位扫描法研究了在盐酸腐蚀介质中单组分肉桂醛缓蚀剂以及它与苯扎溴铵的协同效应对X60碳钢缓蚀作用的影响，并探讨了协同缓蚀机理

Process:① the platinum wire dipped in concentrated hydrochloric acid to colorless colorless flame on the ignition;②sample in the colorless flame ignition, to observe the flame color (if test potassium cobalt glass through observation, because in most cases need to be used when the system of potassium sodium, potassium solution, therefore often contain sodium, and sodium yellow flame color reaction, a small amount of yellow and purple, respectively, can not come out).

3操作过程：①将铂丝蘸浓盐酸在无色火焰上灼烧至无色；②蘸取试样在无色火焰上灼烧，观察火焰颜色(若检验钾要透过钴玻璃观察，因为大多数情况下制钾时需要用到钠，因此钾离子溶液中常含有钠离子，而钠的焰色反应为黄色，黄色与少量的紫色无法分别出来)。

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。