Lack of vitamin D is another factor to consider.
缺乏维生素D是另一个需要考虑的因素。
She said that the use of sun creams and moisturisers with a sun protection factor also reduces UV absorption and so vitamin D production.
她说，使用含有防晒因子的防晒霜和保湿露也能减少紫外线的吸收和维生素D的合成。
Set D as non square factor positive integer.
设D是无平方因子正整数。
There is a factor which depends on the breaking scale in the formula of deflection Angle of timelike and spacelike test particles in the D-stars.
对于这类冷天体的类光和类时测试粒子的偏转角公式存在一个依赖于破缺标度的因子。
The key factor to successful transformation of current Chinese telecom carriers is the change from a product-based telecom product R&D system to a business model-based one.
对于当前的中国电信企业来说，转型成功的关键因素是实现从基于产品的研发体系到基于商业模式的产品研发体系的转变。
This paper analyses the status quo of Chinese enterprises invested R&D activities and the factors affecting, shortage of funds hinder China's technological innovation is the first factor.
站在财务资源观的角度研究了资本结构、内部现金流、企业规模和盈利能力等因素对企业研发与开发（R&D）投入活动的影响。
The selection of relaxation factor plays a key role in D?N domain decomposition methods(DDM).
N区域分解算法中，松弛因子的选取起着关键作用。
With factor analysis, extracting three factors R&D capability, equipment level and marketing capability from technical innovation;
通过因子分析，将技术创新提取三个因子：R&D能力、装备水平和营销能力；
Objective:To study the relation between expression of vascular endothelial growth factor D (VEGF-D) and lymphatic metastasis in hypopharyngeal carcinoma.
目的：研究血管内皮因子D（VEGF-D）在下咽癌组织中的表达及其与淋巴结转移的关系。
The conflict factor of D-S evidence theory is applied to constructing an adaptive ultrasonic sensor model for the navigation of mobile robots in narrow unknown environments.
针对移动机器人在未知狭窄环境中的导航问题，利用证据理论中的矛盾因子，给出了一个自适应超声波传感器模型。
The model could well predict the concentration of D-tryptophan in the permeated solution and separation factor.
此模型可以对渗透液中d -色氨酸的浓度和分离系数进行较准确的预测。
Being different from the traditional transportation problem, multi-O-D agile transportation problem takes time as the most important factor.
多供需点敏捷运输问题不同于传统运输问题，它以时间约束为首要考虑的因素。
The variance analysis suggested that the main factor of callus inducement is 2, 4-d, and the main factor for callus differentiation 6-ba.
统计分析表明，在本实验设计中，2,4 - D是诱导普通荞麦愈伤组织的主要因素；愈伤组织分化的主要因素是6 -BA。
Another factor driving R&D offshoring is the availability of low-cost intellectual capital.
驱使研发活动离开本土到海外经营的另一个因素是可以获得底成本的脑力资源。
In this paper two methods to elevate the return factor of the d.
串联电阻法与双线圈换接法是两种提高直流电磁开关返回系数的常用方法。
The optimal two-factor saturated D design was conducted to investigate effects of the active organic fertilizer made of grain stillage and other additives on rice yield.
采用二因素饱和D最优设计方法，对酒丢槽制作活性有机肥（以下简称活性有机肥）在水稻上进行了不同基肥和追肥施用量试验。
Parameters' confidence factors are fused with D-S evidence theory for ascertaining the confidence factor belonging to PD radar in fuzzy condition.
本文提出了在模糊的条件下采用D - S证据理论将各参数的置信度进行融合，以确定属于PD雷达的置信度。
This paper presents a numerical extrapolated method for calculating the effect stress intensity factor of 2-d Mode I crack.
文章介绍了传统的用裂尖塑性修正求解平面I型裂纹等效应力强度因子的方法。
The 3-D curve of stress concentration factor with the various location of opening hole was obtained. In addition, both the effect of various location of hole along the coordinate axis and …
此外，孔沿座标轴及沿原孔边缘位置变化对应力集中系数的影响被详细研究，从而为合理设计炉壳开孔提供了理论依据。
D a tendency toward high blood pressure may be a hereditary factor.
一种趋势认为高血压可能是家族遗传而来的。
High-power piezoelectric ceramics are desirable to combine a high mechanical quality factor(Qm) with a high piezoelectric constant(d 33) and a high planar coupling factor(Kp).
大功率压电陶瓷要求材料不但在强场下有小的介质损耗，大的机械品质因数，同时兼备一定的压电常数和机电耦合系数。
A 3-d wing is considered to have 100% leading-edge suction when the Oswald efficiency factor (e) exactly equals 1.0.
而对于三维机翼来说，当奥斯瓦德有效因数等于1.0时，可认为有100%的前缘吸力。
A 3-d wing is considered to have 100% leading-edge suction when the Oswald efficiency factor (e) exactly equals 1.0.
而对于三维机翼来说，当奥斯瓦德有效因数等于1.0时，可认为有100%的前缘吸力。
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