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。
On this trip (perhaps in the spring of A. D. 8) he took part for the first time in public worship at the temple.
在去耶路撒冷的行程中(大约在公元8世纪的春天)，他第一次参加了圣殿里公开的敬拜。
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。
应用推荐