甲醛溶液

Ammonium hydroxide solution, and can glucose, such as formaldehyde reduction effect produced by the reaction,"Silver Mirror." Industrial applications of inorganic.

氢氧化铵溶液中，能和葡萄糖、甲醛等起还原反应生成"银镜"。

In acid solution, Carbinol was oxidized formaldehyde,then it interacts with chromotropic acid and generates purple chemical compound.

甲醇在酸性溶液中，被高锰酸钾氧化成甲醛，再在硫酸介质中与变色酸生成紫色化合物，在 5 80nm处用 1cm比色皿比色测定。

To better understand the principles of enzymatic unhairing, changes of contents of protein, hydro-proline and glucose in depilatory liquors were determined in Lowery method, DMBA method and Sulfuric Acid-Anthrone method, respectively, during bath dehairing procedure of 2709 proteinase and A.

为更好地理解酶脱毛的机理，本文用Lowery法、对二甲胺基苯甲醛法和硫酸－蒽酮法分别测定了2709酶和A.S1398酶有温有浴酶脱毛过程溶液中的总蛋白、羟脯氨酸及糖含量的变化。

In order to expand the utilization fields of wood and decrease the costs of carbon fiber,carbon fiber precursor from liquefied wood was prepared by soaking liquefied wood in the solution of hydrochloric acid and formaldehyde,after melt-spinning by adding hexamethylenetetramine.

为了扩大木材的应用领域和降低碳纤维的成本，以木材液化物为原料，加入六次甲基四胺熔融纺丝，经甲醛和盐酸溶液固化处理后获得木材液化物碳纤维原丝，利用IR、XRD、拉曼光谱分析仪等初步揭示了木材液化物碳纤维原丝在炭化过程中微结构的变化。

The carbon fiber precursors were prepared from liquefied wood in phenol by adding hexamethylenetetramine and soaking in the solution containing hydrochloric acid and formaldehyde as the main components.

以木材苯酚液化物为原料，加入六次甲基四胺熔融纺丝后，经甲醛和盐酸溶液固化处理、炭化后得到木材液化物碳纤维。

Owing to phosphorous acid is produced from phosphorus trichloride in industry by hydrolysts, inspissation and crystallization, if we use phosphorus trichloride directly on synthesize N- iminodiacetic acid, not only can simplify operation, but also can red.

原工艺采用的是在酸性条件下高温时将甲醛滴加到亚磷酸与亚氨基二乙酸一钠盐混合溶液中进行反应，考虑到工业上亚磷酸的合成一般采用三氯化磷水解、提浓、结晶制得，直接将三氯化磷用于双甘膦的合成，不仅可以简化操作过程，而且对于降低生产成本和能耗有明显意义。

Originally techniques dropped formaldehyde into the mixture of phosphorous acid and monosodium of imino diacetic acid in high temperature. Owing to phosphorous acid is produced from phosphorus trichloride in industry by hydrolysis, inspissation and crystallization, if we use phosphoros trichloride directly on synthesize N- iminodiacetic acid, not only can simplify operation, but also can reduce the cost and save energy.

原工艺采用的是在酸性条件下高温时将甲醛滴加到亚磷酸与亚氨基二乙酸一钠盐混合溶液中进行反应，考虑到工业上亚磷酸的合成一般采用三氯化磷水解、提浓、结晶制得，直接将三氯化磷用于双甘膦的合成，不仅可以简化操作过程，而且对于降低生产成本和能耗有明显意义。

The microscale reaction was performed by introducing the solution of benzaldehyde and phenylenediamines in ethanol, and the solution of iodobenzene diacetate in ethanol through the two inlets of the Y-shaped microfluidic chip reactor at ambient temperature.

反应物邻苯二胺和苯甲醛的乙醇溶液以及二醋酸碘苯的乙醇溶液，分别从微流控芯片反应器的&Y&型进样口注入，混合反应2分钟后，即可得到苯并咪唑类化合物。

A series of SiW_(12)/AC catalysts with different silicotungstic acid loadings supported on acti- vated carbon which was treated with 10% HNO_3 solution were prepared by an impregnation method and the catalytic performance of SiW_(12)/AC for the synthesis of trioxane were investigated.

以10%硝酸溶液处理过的活性炭为载体，采用不同质量分数的硅钨酸SiW_(12溶液为浸渍液，制备了不同负载量的SiW_(12)/AC催化剂，考察了催化剂在合成三聚甲醛中的催化性能，并用XRD、FT-IR、NH_3- TPD、BET、TG-DSC等手段对SiW_(12)/AC催化剂晶粒大小、催化剂表面的酸量及酸强度、比表面积及热稳定性等微观特性进行了表征。

At 1st、2nd、3rd months after surgery the rats were killed respectively and the implanted tibiae were got , the tissue samples were fixed with 10% Formaldehyde soaked and 8% formic acid was used to dissolve the calcium for 10 days.

于种植术后1个月、2个月、3个月时，取出带种植体的胫骨，取下的标本立即放入10%甲醛缓冲溶液固定、经过8%甲酸溶液脱钙、梯度酒精脱水后，制作HE染色的组织学切片，做光镜及骨组织的形态计量学观察。

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。