酸碱的

The synthesis of methyl benzoate was carried out from acetophenone and dimethyl carbonate in the presence of solid acid and base catalysts.

以固体酸碱为催化剂，研究了碳酸二甲酯与苯乙酮合成苯甲酸甲酯的反应，考察了反应温度、反应时间、催化剂用量和原料摩尔配比等因素对反应结果的影响。

For soil acid alkali reaction and have a great impact on physical and chemical properties, but also provide nutrients essential for plant growth media.

对于土壤酸碱反应和理化性质都有极大的影响，也是为植物生长提供养分十分重要的介质。

Additionally, Glutamine is a regulator of acid-base balance and a nitrogen transporter.

此外，谷氨酸也是酸碱平衡的调整者和氮的输送者。

Its regulation and maintenance of the body of water, electrolyte, acid-base balance, stability of the body's internal environment has played a major role.

它的管理和水体，电解质，酸碱平衡，身体的内部环境，维护稳定发挥了重大作用。

For GC, and acid-base titration, Analytical Balance, photorefractive the tests also have a certain understanding.

对于气相色谱，酸碱中和滴定，分析天平，光折度的测试等也有一定的了解。

To manage the test equipments/gauges via list including air pressure meter, thermocouple, viscosity, digital scale.

用清单管理公司的测量仪器，包括气压表、热电偶、酸碱计、粘度计、电子天平等。

Will cause the oil to grow the colloid when the alcohol content of sulphur is high, it is difficult to keep.

除去杂质常用的方法有酸碱精制，脱臭，加氢，溶剂精制，白土精制，脱蜡等。

"DRILLS" UV board's materials are imported shaving board, which environmental protection coefficient achieves the E1 level standard. It is moisture-proof, not distorted;"DRILLS" UV board primer to select the Shanghai name brand PU paint. The color is bright, full, the environmental protection coefficient is high. It is high packing, high coherence, high smoothness.

钻牌UV板采用最先进生产流水线，国外最先进生产工艺，聘请国外资深技术人员指导研究，攻克了目前国内UV板生产所出现的 1 附着力 2 表面橘皮 3 颜色不鲜这三大难题，使板材成品开锯不刨边，镜面高光效果明显，色彩丰满诱人，不褪色，耐酸碱腐蚀。

Methods The arterial blood gases and electrolytes in 180 patients with obstructive pulmonary emphysema were analyzed.

分析180例阻塞性肺气肿患者的血气酸碱结果，并结合电解质测定进行统计分析。

Conditions affecting the polymerization were studied and the optimum condition was given. The Polymer-coated microdisk electrode showed a good Nernst response to pH in the range of 2.5～11. The results of pH determinaton in real samples were also satisfactory.

制得的聚苯胺修饰微盘电极对pH有能斯特响应，稳定性好，用于酸碱滴定和天然水测定结果满意。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。