查询词典 acid-carbonate

At the same time, with reference to the conditions of synthesis of methyl ester of salicylic acid, we combined ethyl ester of salicylic acid, salicylic acid-n-butyl, isobutyl salicylate, amyl salicylate, isoamyl salicylate and salicylic acid benzyl ester,besides, experimented the possibility for series of ester synthesis catalyst with Sodium bisulfate as a catalyst .

同时参照水杨酸甲酯的合成条件合成了水杨酸乙酯、水杨酸丁酯、水杨酸异丁酯、水杨酸戊酯、水杨酸异戊酯和水杨酸苄酯，实验了以硫酸氢钠为催化剂合成系列酯的可能性。

Solubility of barium chloride and barium oxide in hydrochloric acid, ethanol,acetone,ether and hydrochloric acid- ethanol,hydrochloric acid- acetone,hydrochlo- ric acid- ether has beeen studied and the separation of Ba O from Ba Cl\- 2 with hydrochloric acidethanol as the solvent has been proposed.

研究了氯化钡和氧化钡在盐酸、乙醇、丙酮、乙醚及盐酸-乙醇、盐酸-丙酮、盐酸-乙醚中的溶解性，提出以盐酸-乙醇为溶剂进行两者的分离。以 DBC- CPA为显色剂分光光度法测定氧化钡的含量，加料回收率为 98%～ 10 2 %，氧化钡含量为 0 。32 %时，平行测定 7次，相对标准偏差为 1。 58%。该法适于快速测定热处理盐浴中氧化钡的含量，对监控盐浴品质有指导意义

At present, we are lead-acid battery manufacturers to provide testing equipment, including: lead-acid battery repair device, the capacity of lead acid battery tester, resistance tester, lead acid battery combination device, the cycle performance tester; a variety of display instrumentation for industrial use; for shopping malls, retail, logistics, collaborative marketing management system, digital storage systems.

目前我们为铅蓄电池生产厂商提供检测设备，包括：铅蓄电池修复仪，铅蓄电池容量检测仪，内阻检测仪，铅蓄电池配组仪，循环性能测试仪；各种工业用显示仪表；为商场、零售、物流业，提供管理协同营销系统、数字化仓储系统。

This nonmutagenic amino compound 4 (via the investigation into Salmonella/mammalian microsome assay) was also employed as diazo moiety coupling with acet-J-acid to form a diazo acid dye 5. The new dye 5 can color wool at 2% or silk at 3% o. w. f. into black one. The investigation of the uptake of 5 and its color appearance showed that it was assigned to an acid bluish black dye and its blackness was more excellent than that of Acid Black 10B.

经过Salmonella／mammalian microsome assay测试，4表现为非诱变性，用4与乙醯J－酸作用得到新型双偶氮酸性染料（5）。5对羊毛和丝绸分别在2%与3%色度下浸染都得到黑色染样，考察了5的上染曲线，并对染样进行了测色研究，发现该染料属於酸性蓝黑染料，其黑度优於目前市场上流行的酸性黑10B。

To evaluate the allelopathy effects of benzoic acid and ρ-hydroxybenzoic acid on watermelon, this paper studied the effects of benzoic acid and ρ-hydroxybenzoic acid on watermelon seed germination and seedling growth by seed soaking, seed-bud soaking and seedling irrigation.

为探明苯甲酸、对-羟基苯甲酸对西瓜的化感作用，采用浸种、浸芽和浇灌幼苗的方法分别研究了苯甲酸、对-羟基苯甲酸对西瓜种子发芽和幼苗生长的影响。

Inorganic, or mineral, acids include sulfuric acid, nitric acid, hydrochloric acid, and phosphoric acid.

酸包括硫酸、硝酸、盐酸和磷酸等无机酸或矿物酸，以及羧酸、磺酸和酚类等有机酸。

From now on, the application form of acidifer has altered quickly, from organic acid to mineral acid, from singleness acid to compound acid, the production technics has also improved much more.

酸化剂在调节仔猪机体代谢和营养保健方面有显著效果，随着研究的深入，酸化剂的作用形式发生了很大变化，从有机酸到无机酸，从单一酸到复合酸，生产工艺也逐渐改善。

Acetic acid which is corrosive organic acids in one of the strongest material ordinary steel in all of the acetic acid concentration and temperature will be of serious corrosion stainless steel is an excellent acid-resistant materials 316 stainless steel containing molybdenum can also apply dilute acetic acid in the heat and steam.

醋酸 它是有机酸中腐蚀性最强的物质之一，普通钢铁在一切浓度和温度的醋酸中都会严重腐蚀，不锈钢是优良的耐醋酸材料，含钼的316不锈钢还能适用于高温和稀醋酸蒸汽。

Acetic acid It is the most corrosive substances in organic acids, one of ordinary steel in all the acetic acid concentration and temperature will be severe corrosion, acid-resistant stainless steel is an excellent material, 316 stainless steel containing molybdenum can also apply to high temperature and dilute acetic acid vapor .

醋酸 它是有机酸中腐蚀性最强的物质之一，普通钢铁在一切浓度和温度的醋酸中都会严重腐蚀，不锈钢是优良的耐醋酸材料，含钼的316不锈钢还能适用于高温和稀醋酸蒸汽。

Most skin whiteners currently on the market contain ingredients hydroquinone, ascorbic acid, kojic acid, arbutin, azealic acid, glycyrrhetinic acid (licorice extract that act as direct inhibitors of tyrosinase, the enzyme in the skin pigment cells that make melanin.

目前市场上大多数皮肤漂白剂含有成分（氢醌，抗坏血酸，曲酸，熊果苷，azealic酸，甘草次酸），即作为直接的酪氨酸酶抑制剂，在皮肤色素细胞，使酶黑色素。

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。