Used properly, sunscreens with an SPF of 8 or higher completely block UVB radiation and prevent synthesis of vitamin d.
使用得当的防晒系数为8或更高的防晒霜在完全阻挡紫外线辐射的同时也阻止了维生素d的合成。
That's a problem, particularly when it comes to vitamin D. Federal guidelines recommend that children get 400 I.U. of the vitamin a day, equivalent to four 8 oz. glasses of milk.
这是一个难题，尤其涉及到维生素d时，联邦准则建议这种维生素儿童摄入量应为每天400iu，相当于4杯8盎司玻璃杯的牛奶。
Hyla Cass, MD, an integrative medical practitioner and author of 8 Weeks to Vibrant Health, adds that certain prescription drugs like acid blockers can deprive the body of nutrients like vitamin d.
HylaCassMD，她是一名全科医师和《8星期达到精力充沛的健康》的作者。她补充说某些例如酸阻滞剂这样的处方药能够剥夺人体中像维生素d这样的营养素。
I also worked on movie clip playback and on a dedicated color-corrector to translate Cineon images to 8 bit, this is what led me to concentrate on images rather than 3-d.
我还做过视频剪辑配乐工作以及将赛能格式图片转换到8比特的渲色纠错师工作，正是这些工作让我将自己的注意力放在图片而不是3d上。
For Nisan, who would probably score an 8 or a 9 on Morinaga's MOE scale, 2-d love is a substitute for real, monogamous romance.
尼森在森永的表上可能达到八级或者九级，对他而言，2d爱情则是现实世界一夫一妻爱情的替代品。
We put on our mom's old prom(7) dresses, complete with gloves and hats, and sang backup to the C.W. McCall(8) song convoy, " which we' d found on our dad's turntable.
我们穿上妈妈班级舞会时穿的旧礼服，配上手套和帽子，伴着在爸爸的唱机上找到的麦考尔的《护卫队》歌唱。
The system uses two pieces of D/A to output X and Y axes signals simultaneously, and realizes the function of displaying signals above 8 channels on the oscilloscope at the same time.
采用两块D/A芯片作为系统输出，同时提供示波器X、Y轴信号，在模拟示波器上实现同时显示8路信号的功能。
From 2-d electrophoresis maps, we can find that most of proteins focused between pI5 - pI 8 and molecular weight 28kd-66kd.
通过对双向电泳图谱的初步观察可以看到，蛋白质主要集中在等电点5—8和分子量28kd—66 KD之间。
The temperature collecting system is composed of 8 bit singlechip and 16 bit A/D converter, and it can improve the performance price rate of the system.
本设计采用8位单片机和16位A/D变换器相组合构成温度采集系统进一步提高系统的性价比。
If you're not so lucky, you'll need to find your way to Lot 8, Building 9, Floor 10, Suite d, Room 125 — so be sure you know how to get there.
如果不那么幸运，你就要自己找路线了(比如到8幢9号楼10层D座125室)。所以一定要事先确保了解路线。
Certain new karyotypes were described for the first time, and their evolutionary and interspecific genetic relationships among 8 subgroups of d.
系统地分析了黑腹果蝇种组8个种亚组之间的核型进化关系及种间亲缘关系。
However, out of the nine patients with subtype d, 8 had dementia, about 89 percent.
然而，在与D亚型的9名患者，8人患有痴呆症，约百分之八十九。
Roman poet known for his explorations of love, especially the Art of Love(c. 1 b. c. ) and Metamorphoses(c. a. d. 8).
奥维德罗马诗人，以其对爱的研究，尤其是爱的艺术（公元前1年）和变形记（公元8年）而闻名。
The experiments show that it is possible to avoid the pregrind sulfate-slag and get the fine quality pellets, if added 8% L—D furnace dust and 5% lime into the sulfate-slag.
试验表明：硫酸渣添加8％转炉尘及5％生石灰，可以不再细磨，得到质量良好的球团矿。
Huang Baoju. "on the Symbolic Meanings of Horse and Moon in D. H. Lawrence Novels." Foreign Literature Studies 2 (2003) : 85-8.
黄宝菊：“论劳伦斯小说中马和月亮的象征意义”，《外国文学研究》2 (2003)：85- 8。
The rally stalls after 12 PM, dropping price back to the 8-bar SMA (c), while the 5-bar SMA pulls back and finds support at the same level (d), ahead of a final rally thrust.
上扬在12点之后停止，价格跌到与8条移动平均线交叉(C点)，而5条移动移动平均线拉回并在同一水平找到支撑(D点)。
There is NO way for a scientist or a Ph. D student to work only 8 hours a day!
对于一个博士或者科学家，每天仅仅工作8个小时根本就是死路一条！
Component 5 and 6 were isolated for the first time from Drypetes, and compounds 1-4,7 and 8 were isolated from D. cumingii for the first time.
化合物5和6为首次从核果木属植物中分离得到，化合物1~4、7、8均为首次从青枣核果木中分离得到。
The primary outcomes were the change in the Hamilton Depression Rating Scale(HAM-D) and motor dysfunction rating scale for Parkinson's disease(MDRSPD) in 8 weeks.
评价在8周的时间内汉密尔顿抑郁量及帕金森病运动功能评分量表（MDRSPD）评分的变化。
The 2-d simulation of thick SU-8 photoresist profile after UV lithography is presented.
这篇论文是厚su - 8光刻胶接触式UV光刻后形貌的两维模拟。
Enter letter "D" in Box 8 for products which meet the special origin criteria according to Rule 10.
如果符合原产地规则第十条规定的特殊比例标准，则第8栏中填写字母“D”；
The infrared radiation characteristics of axisymmetric and 2-d nozzles with aspect ratios of 1, 4, 8, 12 and 16, have been experimentally studied.
对轴对称喷管和一组长宽比分别为1,4,8,12和16的二元喷管进行了红外辐射特性测试实验研究。
In this paper, a new method of fast data acquisition with rotational scanning for 8-d magnetic field imaging by CT technique is introduced.
本文介绍采用CT技术重建三维磁场图像的圆扫描数据采集方法。
Multi-switch selectable through eight analog channels, allowing time-8 analog inputs, common A/D converter to convert.
多路开关可选通8个模拟通道，允许8 路模拟量分时输入，共用A/D转换器进行转换。
Multi-switch selectable through eight analog channels, allowing time-8 analog inputs, common A/D converter to convert.
多路开关可选通8个模拟通道，允许8 路模拟量分时输入，共用A/D转换器进行转换。
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