the invention relates to a preparation method of a polyvinylidene fluoride (pvdf) ultrafiltration membrane with improved permeability.

the american dietetic association reaffirms that fluoride is an important element for all mineralized tissues in the body.

美国膳食协会再次肯定：氟化物是人体所有的矿化组织重要的物质。

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in the production of fluoride plastic film, defects on the surface of the film are the key factors that affect the quality.

在氟塑料薄膜生产中，薄膜表面产生的疵点是影响薄膜质量的关键因素。

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the effects of high level fluoride intake on the children's health in pastoral area contaminated by fluoride in industrial waste gas.

高氟摄入对工业氟污染牧区儿童健康的影响。

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the advice is familiar: brush and floss regularly, use fluoride mouthwash, limit snacks and sweet drinks, visit the dentist twice a year.

关于护牙的提醒都是类似的：经常用牙刷和牙线刷牙，漱口时用含氟漱口液，节制吃零食和喝甜味饮料，两年看一次牙医。

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the addition of fluoride to the adhesive did not significantly reduce the incidence of enamel decalcification.

此外氟的胶粘剂没有显着降低发病率的釉质脱钙。

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results the result shows that there has been a significant decrease in fluoride in indoor and outdoor environment since oven renovation.

结果各项内外环境氟的监测数据表明，改炉后较改炉前所有指标均有大幅度的下降。

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the company is located in the scenic huangshan mountain scenic area, with nearly 20 years of fluoride plastic pump production experience.

本公司位于风景秀丽的黄山风景区，拥有近二十年的氟塑料泵的生产经验。

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the american dental association recommends brushing your teeth and tongue with a fluoride toothpaste at least twice a day.

美国牙科协会建议人们每天用含氟牙膏清洗牙齿和舌头至少两次。

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scientists say extra fluoride is likely to have at least a small additional effect on enamel -- but more research is needed.

科学家们说，额外添加的氟化物可能会对牙釉质产生一点细微的保护效果，不过，这也有赖于更多研究的证实。

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in one amusing passage, for example, mr talbott describes a chat between president clinton, mr gore and some of their speechwriters.

例如，在文中就有这样一段有趣的片段。塔尔博特先生记述了克林顿总统，戈尔先生和一些演说撰稿人之间的交谈。

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but reagan and his speechwriters insisted on keeping it in.

但里根和撰稿人坚持保留这句话。

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some believe that the best speechwriters are born with a talent and have a natural creative instinct, and that speechwriting is an art form.

有些人认为那些最优秀的演讲稿撰写人是天赋异禀，而演讲稿的撰写也是一种艺术。

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stephanie mayes called to say thank you for dinner the other night.

梅耶太太来电话感谢那天的晚宴。

provided by jukuu

sandostatin, posterior pituitary hormones and phentolamine together for varices of esophagus and fundus ventriculi rupturing and bleeding

善宁、垂体后叶素、酚妥拉明联用治疗食管胃底静脉曲张破裂出血

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objective to study the curative therapy of varices of esophagus and fundus of stomach.

目的探讨食管胃底静脉曲张的有效治疗方法。

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but music, pure, simple, apparently unpolitical, remained her weapon of first resort.

然而，只有她的音乐，简洁明快，非政治化的音乐，才一直是她的首选。

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poor shy unpolitical i would have been a loser in the 'running' end.

可怜害羞不关心政治的我将成为一个失败者。

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his purpose in kashmir had not been entirely unpolitical.

他去克什米尔并不是完全没有政治考虑。

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wholly unprepare notd, we embark upon the number 2 half of life.

咱们完全手足无措地踏上生命的后半征程。

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high pressure hot water heating system

高压热水供暖系统

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