查询词典 pickling process

There exist some unassailable problems in traditional chrome tanning, such as low exhaustion of chrome, salt pollution from pickling, and time-consuming process, etc.

传统浸酸铬鞣存在着一些不容忽视的问题，如：铬的吸收率低，浸酸时带来的盐污染，鞣制周期长等。

The experiment results showed that:in acid pickling process, when reaction temperature is 100℃, the leaching time is 2.5h, mixing speed is 400r/min, the sulfuric acid density of solution is 45% and excess coefficient of sulfuric acid is 1.5, recovery rate of iron from hematite is 82.3%.

实验表明：在酸浸过程中，当反应的温度为100℃，浸出时间为2.5h，搅拌转速为400r/min，溶液硫酸浓度为45%，硫酸过量系数为1.5时，对铁矿中铁回收率可达82.3%。

Before the cold-roll process, pickling is applied to the hot-rolled coils to remove the oxide scale on the surface.

热轧钢材在进行冷轧之前，须将表面锈皮以酸洗的方式去除。

Hexamethylenetetramine was selected as corrosion inhibitors for mild steel in pickling acid process.

碳钢(mild steel， MS)在酸洗制程中常使用含氮之抑制剂作为腐蚀抑制剂。

Cavity displacement method and polymer pickling process could be used for the preparation of linalool formulation, which could provide new control measures to spacial repellent for insect, environmental contamination and insect resistance.

采用空穴置换法与聚合物浸渍法均可达到对芳樟醇的理想释控状态，为空间驱避昆虫、缓解环境污染和抗药性等问题提供了新的防控手段。

In this thesis the law of the forming of nitrite in the process of pickling of potherb mustard had been studied in detail.

试验详细研究了雪里蕻腌制过程中亚硝酸盐的形成规律，通过试验找出了亚硝酸盐的形成与雪里蕻腌渍液的食盐浓度、温度、酸度、含糖量及杂菌污染的关系，为在生产中有效降低腌制雪里蕻产品中亚硝酸的含量提供了理论依

Because of this technology does not need the process of acid pickling and high temperature, there is no hydrogen embrittlement took place in the spare parts, and it possess a great deal of merits such as self-healing function after scotch, meanwhile it has hyper heat-resistance, hyper tonicity, hyper stickability, hyper anti-friction, hyper weatherability, hyper corrosion resistance, and when used outside, it can maintain its color for a long-period without change.

由于该工艺不经过酸洗和高温，所以零件无氢脆发生，擦碰伤后还有自愈合功能，同时还具有高耐热性，高渗透性，高附着性，高减摩性，高耐候性，高耐化学品腐蚀性。用在室外可长期保持不变色等诸多优点。

The fracture reasons of high strength PC steel wire are analyzed, it's considered that center segregation, central cavitation, poriness and inclusion are the metallurgical reasons which lead to the facture of PC steel wire and in the rolling process, differential coping quality, microcrack caused by surface defect, abnormal microstructure caused by burnt and improper cooling velocity, the ears on the head of the wire, overlapping of the wire rod itself are the main reasons which lead to the facture of PC steel wire. At the same time, inappropriate pickling, differential phosphorization quality, the bad heat treatment quality, the generation of crack in the improper drawing and transverse crack caused by abnormal laying of the drawing die are also the reasons of the cracking of PC wire.

对高强度PC钢丝断裂原因进行了分析，认为连铸坯的中心偏析、中心缩孔、疏松和夹杂是导致PC钢丝断裂的冶金原因；轧制过程中，较差的修磨质量、表面缺陷导致的微裂纹，过烧以及不适当的冷却速度导致的非正常显微组织，盘条头部的耳子、盘条本身折叠是导致PC钢丝断裂的主要原因；同时，不恰当的酸洗、较差的磷化及热处理质量、不适当拉丝裂纹的产生、拉拔模具安放不正导致的横裂也是PC钢丝断裂的原因。

The best control strategy is using temperature to control the pickling process.

最佳的控制策略是仅用温度控制酸洗过程。

And convert it to a string representation; this process is called pickling .

表达为为字符串，这一过程称之为 pickling 。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。