不变色的

As a result, the pH paper is 7, that is, radiofrequent, keep neutrase gold monlchamus chromotropic.

因此，纸弛的pH值为7，即呈洋性，可以灵验制止金不朱变色。

Another 18-year-old university student, usually love He Kele, uncomfortable look at the teeth because of dental, also found that tooth enamel discoloration neck and decalcification, is about to become a dental etching owners.

还有一名18岁大学生，平常爱喝可乐，因牙齿不舒服去看牙医，也发现齿颈部珐琅质变色且脱钙，快要成为牙齿酸蚀一族。何坤炎说，牙齿被酸性食物侵蚀的症状，患者往往在初期没感觉，可能偶尔局部酸痛，但珐琅质会渐渐失去光泽和纹理，最后演变到牙本质和牙髓神经暴露。

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。

Once was applicable to a small tooth, ex- tooth tooth cleft(the ≤ 2 mms), the whole the tooth light degree arrives to weigh a degree a fluorine spot tooth, whole light degree and mid-degree four wreaths plain toothses, whole tooth heavy degree four wreaths plain tooths match with bleach to also attain better effect, the tooth changes countenance separately, the tooth light degree arranges not and together and needs to change shape separately, and the external injury tooth breaks.

适用於过小牙齿，前牙牙齿间隙（≤2mm ），全口牙齿轻度到重度氟斑牙，全口轻度、中度四环素牙，全口牙齿重度四环素牙配合漂白也可以达到较好的效果，个别牙齿变色，个别牙齿轻度排列不齐，需要改变形状，外伤牙齿折断。

In the impact feeling8.0N/m water cannot lay aside surpasses for 120 hours Cannot put inis loaded with the aqua fortis and in the strong sulfuric acid liquiddips After cannot achieve 10 minutes dangerous behaviors the chemicalreaction the detonation Cleanly washes using the clear water Lattercoolly does The product design has may transfer the size the livegrommet Finger when operation cuts through a revolution is thebedding bag is tight When does not operate So long as rotates thefinger about then may the automatic pine open the snare The safeconvenience is simple Pure natural not any to cancer chemistry dyeand chemistry pigment In the watery solution achieved the certaintime may change color the putrefication environmental protectionmaterial quality May pull outside the pulling force scope Thestandard general string YOYO ball string, the long ball string, theshaky ball string, slides the ball string.

单手冲力达到20kg的爱好者。3， 21stx12x2适合双手拉力达到50kg。可运行时间达3000小时。抗冲击力达到50kg每秒。最高时速3000公里。单手冲力达到40kg的爱好者。产品遇火即燃烧。熔点176.2oC生成热-573KJ/kg。爆热5343kj/kg。燃点180oC。冲击感度8.0N/m水中不能放置超过120小时。绝不能放入装有浓硝酸和浓硫酸的液体中浸洗。更不能达到10分钟之危险行为的化学反应后爆轰。清洁应用清水洗涤。后凉干。产品设计有可以调动大小的活绳圈。手指在操作时穿进一转即被套紧。如不操作时。只要把手指左右转动一下便可以自动松开圈套。安全方便简单。纯天然没有任何至癌的化学染料和化学色素。在水溶液中达到一定时间可变色腐化的环保材质。在拉力范围外可拉断。的标准通用绳子。

In the impact feeling8.0N/m water cannot lay aside surpasses for 120 hours Cannot put inis loaded with the aqua fortis and in the strong sulfuric acid liquiddips After cannot achieve 10 minutes dangerous behaviors the chemicalreaction the detonation Cleanly washes using the clear water Lattercoolly does The product design has may transfer the size the livegrommet Finger when operation cuts through a revolution is thebedding bag is tight When does not operate So long as rotates thefinger about then may the automatic pine open the snare The safeconvenience is simple Pure natural not any to cancer chemistry dyeand chemistry pigment In the watery solution achieved the certaintime may change color the putrefication environmental protectionmaterial quality May pull outside the pulling force scope Thestandard general string YOYO ball string, the long ball string, theshaky ball string, slides the ball string.

绝不能放入装有浓硝酸和浓硫酸的液体中浸洗。更不能达到10分钟之危险行为的化学反应后爆轰。清洁应用清水洗涤。后凉干。产品设计有可以调动大小的活绳圈。手指在操作时穿进一转即被套紧。如不操作时。只要把手指左右转动一下便可以自动松开圈套。安全方便简单。纯天然没有任何至癌的化学染料和化学色素。在水溶液中达到一定时间可变色腐化的环保材质。在拉力范围外可拉断。的标准通用绳子。YOYO球绳子，悠悠球绳子，摇摇球绳子，溜溜球绳子。yo -yo手工绳。有标准拉力绳子和较强拉力绳子和特强拉力绳子。 1A或2A或3A或4A或5A等多种规格。练习用或比赛用或观赏拍摄用。记住。为什么比赛时一定要选用白色的绳子。

In the impact feeling8.0N/m water cannot lay aside surpasses for 120 hours Cannot put inis loaded with the aqua fortis and in the strong sulfuric acid liquiddips After cannot achieve 10 minutes dangerous behaviors the chemicalreaction the detonation Cleanly washes using the clear water Lattercoolly does The product design has may transfer the size the livegrommet Finger when operation cuts through a revolution is thebedding bag is tight When does not operate So long as rotates thefinger about then may the automatic pine open the snare The safeconvenience is simple Pure natural not any to cancer chemistry dyeand chemistry pigment In the watery solution achieved the certaintime may change color the putrefication environmental protectionmaterial quality May pull outside the pulling force scope Thestandard general string YOYO ball string, the long ball string, theshaky ball string, slides the ball string.

绝不能放入装有浓硝酸和浓硫酸的液体中浸洗。更不能达到10分钟之危险行为的化学反应后爆轰。清洁应用清水洗涤。后凉干。产品设计有可以调动大小的活绳圈。手指在操作时穿进一转即被套紧。如不操作时。只要把手指左右转动一下便可以自动松开圈套。安全方便简单。纯天然没有任何至癌的化学染料和化学色素。在水溶液中达到一定时间可变色腐化的环保材质。在拉力范围外可拉断。的标准通用绳子。YOYO球绳子，悠悠球绳子，摇摇球绳子，溜溜球绳子。yo-yo手工绳。有标准拉力绳子和较强拉力绳子和特强拉力绳子。

Copper foil turn off and at the same time hurt the edge of CCL.

而放置不整齐还会造成部分板材铜箔表面变色，板的边角损伤。

This product has an excellent resistance to UV rays and it is available in solid form.

本品有极强抗紫外线辐射的效能，长久不会变色，本品为固体状形态。

The Great Proletarian Cultural Revolution, which has been carried out in China in recent years, and the campaign of criticizing Lin Piao and Confucius now under way throughout China, are both aimed at preventing capitalist restoration and ensuring that socialist China will never change her colour and will always stand by the oppressed peoples and oppressed nations.

已经在中国执行多年的无产阶级文化大革命与批林批孔的活动目标都是为了防止资本主义复辟，确保中国永不变色，保证中国不成为人压迫人的国家。中国现在不是，将来也不做超级大国。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。