The Institute of Medicine maintains that a level of 20 nanograms is adequate, but other experts say it should be higher to assure maximum calcium absorption and bone health.
在医学研究院坚持20毫微克就足够了，但是其他专家则建议标准应该高一点以确保钙质吸收最大值和骨骼健康。
It is also ground to an extremely fine powder for maximum absorption, and then either packed in plastic sachets for maximum freshness, or pressed into tablets.
这也是理由非常精细粉末的最大吸收，然后或者装在塑料保鲜袋最大，或压制成片。
In the hydraulic system USES the accumulator, may the absorption line shock maximum limit, reduce to the variation of load to the adhesive tape the impact, enhances adhesive tape's service life.
液压系统中采用蓄能器，可以最大限度的吸收液压冲击，减小对负载变化对胶带的冲击，提高胶带的使用寿命。
The grape weapon's heavy absorption is limited, it maximum limit is kidney's glucose extravagant position.
葡萄械的重吸收是有限的，其最大限度就是肾脏的葡萄糖阔位。
Being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light.
最黑的非彩色颜色；因为吸收了几乎所有的入射光而只有很少的颜色或者没有颜色。
The absorption, emission maximum and the fluorescence lifetime changed as the Hammett substituent constant in folding linear.
最大吸收、最大发射、及荧光寿命与取代基的哈密顿取代基常数呈折线关系。
RESULTS the UV spectra of the herbal drugs showed different maximum absorption peaks both in number and intensity.
结果秦艽与红秦艽的紫外谱线组图像、最大吸收峰数目及峰位值具有明显差异。
The extraction nozzle can be placed closely to objects for maximum fume absorption.
提取嘴可尽可能近的置于对象上方为最高油烟吸收。
Results The UV spectrum of the two herbal drugs gave different maximum absorption peaks both in number and intendities.
结果半夏及其伪品水半夏水浸液的紫外谱线组图像、最大吸收峰数目及峰位值具有明显差异。
Take 1 to 6 capsules per day with meals, preferably dividing the number of capsules equally with each meal to facilitate maximum absorption, or as directed by your qualified health care consultant.
以1至每天6粒与膳食，最好每餐平均分割的胶囊，以方便您的合格的医疗顾问的最大吸收，或遵医嘱。
The predicted results show that the radiation absorption coefficient has remarkable effect on the phosphorus combustion and maximum radiation heat flux in the reactor.
数值模拟结果表明，磷火焰辐射吸收系数对塔内的传热及燃烧特性的影响最大。
What is of prime importance is that consideration is given to the predominant chromophore in any target tissue and the laser wavelength matched to achieve maximum absorption of light energy.
什么是最重要的是，考虑到的主要目标色在任何组织和激光波长相匹配，以实现最大吸收光能。
Heterocyclic of simple chemical modification can be achieved on the wavelength of maximum absorption material and emission wavelength of a wide range of adjustment.
对杂环简单的化学修饰，就可以实现对材料的最大吸收波长和发射波长大范围的调节。
Then the maximum bending moment and the energy absorption capacity under collapse from obtained the moment-angle curve will be evaluated.
评估了在扭矩角引起的破裂时，最大的扭矩和能量吸收能力。
Both the maximum absorption capacity and absorption strength are increased with temperature rising.
温度的升高，不但会使最大吸附量增大，而且增加土壤对锌的吸附强度。
The difference of 12-minute running and maximum oxygen absorption at plateau and plain was determined for the purpose of making reference in training.
确定的12分钟跑和最大吸氧量在高原和平原的差值，供训练参考。
The optimal extraction conditions and HPLC chromatographic conditions were confirmed by investigating the extracting solvent, mobile phase type and maximum absorption wavelength.
对提取试剂、流动相条件、最大吸收波长进行了研究，确定了最佳提取方法及色谱条件。
The energy absorption efficiency of two kinds of foam aluminum at the dynamic compression is higher and the maximum value is above 0.9, so it is a kind of good energy absorption materials.
动态压缩时两种泡沫铝的吸能效率均较高，最大吸能效率大于0.9，是良好的吸能材料。
Results The UV spectra of Jinniukou and similar species gave significantly different maximum absorption peaks.
结果金钮扣及类同品的紫外谱线组图像最大吸收峰数目及峰位值有明显差异。
All-natural extended release delivery system for superior absorption and maximum activity.
全天然的缓释给药系统使其被卓越的吸收并保存最大的活性。
The maximum UV absorption wavelength of polymerizable photoinitiator shifted toward long wavelength, and the residues of light-cured were far less than benzophenone.
可聚合光引发剂的最大紫外吸收波长均发生红移，光固化残留量远远小于二苯甲酮。
The solvent content in discharged liquid paraffin (called rich oil) is not more than 5%, so as to ensure the maximum absorption rate.
出来的石蜡液（称作富油）含溶剂量不超过5％，以保证最大的吸收率。
Both the maximum absorption capacity and absorption strength are increased with temperature rising.
初始浓度的增大有利于提高平衡吸附容量。
The energy absorption ratio varies with coupling loads. With proper combination of static and dynamic loads, the maximum energy absorption ratio can be obtained.
岩石的吸能率随着动静组合加载的不同而不同，通过选择合适的动静组合加载，可使岩石的吸能率最大。
This method allows for maximum absorption of vitamin B-12.
这种方法可以最好的吸收维生素b - 12。
The results illustrate that the collisional absorption have a maximum value when the collision frequency is near the radiation frequency.
计算表明 ，当电磁波的频率接近电子碰撞频率时 ，磁等离子体对电磁波的吸收达到最大值。
The maximum N absorption and K absorption of rape seed are under the N225 level.
不同施氮条件下，单、间作油菜地上部钾吸收量没有差异。
When the molar percentage of crosslinking agent is about 3 %, the tensile strength is maximum, the water absorption a...
当交联剂的摩尔分数约为3%时，拉伸强度最大，吸水率和浸水失重率最小。
When the molar percentage of crosslinking agent is about 3 %, the tensile strength is maximum, the water absorption a...
当交联剂的摩尔分数约为3%时，拉伸强度最大，吸水率和浸水失重率最小。
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