发黑的

If printed to a paper-based color or process-color serious nigrescent to show a business card machine automatic ink quality is not very good.

如印到纸上的颜色发黑或混色严轻，表明咭片机的自不静洗墨质度不是很好。

If the fish on sale have already become nigrescent or been drugged, you should stop buying at the moment however you like the fish, and learn to control yourself.

P76、如果店家展售的鱼有部份发黑或下药现象，就暂缓购买，即使很喜欢也要克制购买的冲动。

Facing give out of odium buy the home, this exceeds an ox to sell the home always is it seems that can " one is assured and bold with justice " the ground gives out explanation, still use up satiric what one is particularly good at to buying domestic pole, after knowing to buy a return that sees her, have twice nigrescent enrage on the spot dizzy.

面对着给出恶评的买家，这个超牛卖家似乎总是能&理直气壮&地给出解释，还对买家极尽挖苦之能事，不知买家看到她的回复之后，有没有两眼发黑当场气晕。

High quality float glass can be used to make high grade mirrors that are highly clear. Through a second processing (beveling, carving, drilling, etc.), the coating will last long and will not turn black or go bad with use. The product has a very promising market.

采用优质浮法玻璃原片加工的高档银镜成像清晰，二次加工镜面膜不损坏脱落，长期使用不会发黑或产生其他变质现象，具有广阔的市场发展前景。

The films are developed and the degree of fogging observed is a measure of the gamma-ray exposure .

经显影之后，可以根据观察到的模糊发黑程度来确定r射线的照射程度。

As sulfuric acid , prepared from blowing furnace flue gas in the copper sulfide ore smelting, is easy to get reddish, blackish and greenish, reasons are found through analysis and detection, flame color reaction and hanging experiment in combination with the production process.

针对利用硫化铜矿冶炼吹炼炉烟气制得的硫酸易发红、发黑和发绿的情况，结合生产工艺，利用分析检测、焰色反应和挂片实验等手段，明确了原因。

Chemical raw materials: include a variety of plating materials and metal surface treatment agent: sodium such as tin, stannous chloride, pyrophosphate Asian tin, copper sulfate, nickel acetate, copper acetate, nickel fluoride, cobalt sulphate, acetic acid cobalt, hydrofluoric acid, anion exchange resin, cation exchange resin, scale inhibitors, cleaning agents, detergents,the phosphating agent, plate washer water, with the exception of Prince agents, rust removal agent, the American Iron and Steel room temperature blackening agent, on behalf of behalf of the black-white (open cylinder agents, supplements), and alloys such as gun color..

二。化工原料：包括各种电镀原料及金属表面处理剂：如锡酸钠、氯化亚锡、焦磷酸亚锡、硫酸铜、醋酸镍、醋酸铜、氟化镍、硫酸钴、醋酸钴、氢氟酸、阴离子交换树脂、阳离子交换树脂、阻垢剂、清灰剂、除垢剂、创辉的磷化剂、洗板水、除腊剂、除油除锈剂、美国的钢铁常温发黑剂、代白代黑、枪色黑合金等。

According to the specification, the corrosion resistance of black oxide coating on iron and steel surface should be tested by oxalic acid spot test.

发黑时间约4 到5分钟，至形成均匀细密的黑色氧化膜。用自来水洗去工件表面的残留发黑液，用热风将其吹干待测。

The long-leaved plants hiding them melted like ice, turning black and curling up like spiders under insecticide.

而他们原来藏身的那些长着长长叶子的植物像冰一样熔化了，并像蜘蛛遇到了杀虫剂一样蜷缩而发黑了。

It was always those conceited prudes who went the most fearful lengths in low corners nobody knew anything about.

而那个侍候这些女客的女招待则相反，她既高又瘦，满脸麻子，眼皮发黑，眸子里发出暗淡的光芒。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷