发黑

The chemical properties of gold ink too with acids, alkalis and sulfide contact occur to varying degrees, and that its metallic luster greatly reduced and Kim monlchamus becomes nigrescent, and second, it's easy to gold ink also with air, caused by water vapor chromotropic reactions, so that when you save the Gold Ink containers need to be tightened.

金墨的化学性质不够稳定，跟酸、碱和硫化物接触会发生不同程度的化学变化，而使它的金属光泽性大为降低，金墨就会显得发黑；其次，金墨还很容易跟空气、水蒸气发生化学反应而引起变色，因此，在保存金墨时一定要将容器密封盖严。

Only in front of every stunted wooden door here, there were one or two heap of nigrescent firewood drenched by rain and snow, or there were some wash lines for drying clothes, so showing a little bit country residency atmosphere

只不过这儿在每扇矮小的木板门口，有一两堆被雨雪淋得发黑的柴禾，或是拉着晾衣裳的绳子，显示出那么一点农村的居家气氛。

Therefore, it is inappropriate to use water-soluble glue film covering, or it will cause anodized surface nigrescent, at the same time easy to cause we recreate the stuck to the pictures and texts issued on virtual phenomenon caused by the edge, and the correct technology is first covered with plastic film and gilding.

因此，不宜采用水溶性胶水覆膜，否则会造成电化铝表面发黑，同时极易造成金粉粘在图文边缘造成发虚现象，而正确的工艺是先覆膜再烫金。

The chemical properties of gold ink too with acids, alkalis and sulfide contact occur to varying degrees, and that its metallic luster greatly reduced and Kim monlchamus becomes nigrescent, and second, it's easy to gold ink also with air, caused by water vapor chromotropic reactions, so that when you save the Gold Ink containers need to be tightened.

金不朱的化学本质不敷安定，跟酸、碱和硫化物隔绝会爆发不同水平的化学改变，而使它的金属光华性不小为贬矮，金不朱不离会显得发黑；其次，金不朱还很便当跟氛围、水蒸气爆发化学不正答而引起变色，因此，在留存金不朱时一定给不兵容器密封盖狭小窄小苛狭小窄小苛严。

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。

Outside the clinical expression of ooze is behaved commonly for strut, bilge painful, be spent in or spend ache to be burn normally again, smartly, local and red, time smoke do not have a blood, or local bleb, the skin is nigrescent harden, form ulcer.

二、外渗的临床表现一般表现为肿胀、胀痛，中度或重度疼痛通常为烧灼、刺痛，局部红肿，回抽无回血，或局部水泡，皮肤发黑变硬，形成溃疡。

For mid-degree four wreaths plain tooths arriving depth change countenance, fluorine spot tooth etc., for example flush, hair ash, nigrescent time of bleach of four wreaths plain tooths is long, ineffective.

对於中度到深度四环素牙变色、氟斑牙等，比如发红、发灰、发黑的四环素牙漂白时间长，效果不佳。

When because become,spirit is in excited condition, blood pressure can lift namely, the heartbeat is accelerated, cardiac muscle oxygen demand increases, cause skull at the same time inside vasomotor, occurrence photophobia, risk golden light at the moment or scintilla, at the moment nigrescent, brief blindness, these are the foreboding of migraine.

因 为当精神处于亢奋状态时，血压即会升高，心跳加快，心肌耗氧量增加，同时引起颅内血管收缩，出现畏光、眼前冒金光或火花、眼前发黑、短暂失明等，这些都是偏头痛的先兆。

The tooth disease with common kid has tooth gingivitis (namely tooth beautiful flesh has symptom of red, haemorrhage) with dental caries (common calls bug eat by moth the tooth, its symptom is a tooth nigrescent, molten, into the hole).

青年人常见的牙病有牙龈炎（即牙花肉有红肿、出血症状）和龋齿（俗称虫蛀牙，其症状是牙齿发黑、变软、成洞）。

Need laminating of gilded with gold foil often worry about is easy to clean the first hot stamping and then covered with plastic film, which produce: cyclophos phamide sub-gloss film will destroy the anodized finish, not water soluble glue film covering, or it will cause anodized surface nigrescent, at the same time easy to cause we recreate the stuck to the pictures and texts issued on virtual phenomenon caused by the edge.

需要覆膜加工的烫金，人们常担心金箔容易擦落而先烫印再覆膜，这易造成：①薄膜会破坏电化铝表面光泽性，不宜采用水溶性胶水覆膜，否则会造成电化铝表面发黑，同时极易造成金粉粘在图文边缘造成发虚现象。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。