Reducing 2,4-D density is beneficial to callus reproduction.
降低2，4-D浓度有利于愈伤组织的增殖。
The results of the theoretical model calculation and practical application have showed the little error and good effect to inverse 3-D density interface.
理论模型试算与实际应用结果表明，应用边界元法反演三维密度界面误差小、效果好。
Along the profile a joint inversion of gravity with geomagnetism has been carried out and 2-d density structure and 2-d geomagnetic structure have been obtained.
沿剖面完成了重磁联合反演，获得了岩石圈二维密度结构与二维磁性结构。
This paper introduces a result of 2-d density structure of the crust and upper mantle in Luyang-Haicheng-Donggou DSS profile using the DSS data obtained from the profile.
本文介绍了应用闾阳—海城—东沟剖面深地震测深资料研究该剖面地壳与上地幔二维密度结构的结果。
a perfectly spherical shell dr at some distance, thickness, d r, dr we talk about it as 4 pi r squared d r, so we just multiply that by the probability density.
在某个地方的完美球型壳层,厚度，我们把它叫做4πr平方，我们仅仅是把它,乘以概率密度。
Perhaps because of its role in calcium absorption, high-dose vitamin D did appear to help maintain bone density at the neck of the femur, the top of the thighbone near the hip joint.
也许是因为它促进钙质吸收的作用，高剂量维生素D确实显示出有助于维持股骨颈（靠近髋关节的大腿骨顶部）的骨密度。
When logging or general overhaul for long time, mud density must BE raised to E. C. D. for stable of hole.
在电测或长时间停钻检修设备时，将泥浆密度提高到循环时的当量泥浆密度范围。
The measuring methods of D C TIG welding arc anode sheet surface current density split sheet method and probe (made by ourselves) method were analysed and compared.
对直流TIG电弧阳极板表面电流密度的测量方法——分离极板法和探针（自制）法进行了分析比较。
The regression mathematical models for the yields of summermilletassociated with crop density, N and P fertilizers were established by using the optimal saturation D design.
研究采用二次饱和D-最优设计，建立了夏谷产量与密度、磷、氮肥的回归数学模型。
The researchers observed that bone health improvements were particularly evident, because of the high density of bone-supporting nutrients, such as vitamin d, dairy-based protein and calcium.
研究人员观察到，因为骨支持营养物质的高密度，如维生素d、基于乳制品蛋白质和钙。
The bristles (6) have a high bristle density of at least 6 bristles per square millimeter and consist of a plastic material that has a Shore hardness D of more than 40.
所述刷毛（6）具有至少为6根刷毛（6）每平方毫米的高刷毛密度，并包括具有肖氏硬度D大于40的塑性材料。
The invention can realize the nondestructive copy, extend the operating life of the master C. D. and selecting the large numerical aperture to meet the requirement for copying C. D. with high density.
本发明可以实现无损复制，提高母盘的使用寿命，选用大的数值孔径，满足高密度光盘复制的需要。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
有限元法已被证明是计算阴极保护场中电位、电流密度分布的有效方法。
Objective To observe the effect of supplementation of calcium, vitamin d, magnesium, zinc, and copper on bone mineral density and bone strength in rats.
目的观察在补充钙、维生素d的同时补充镁、锌、铜对大鼠骨密度和骨强度的影响。
SQUID. Substituting the formule of the probability current density with the electron-pair wave function, this paper obtains the relation between the magnetic flux of the loop in D.
SQUID的量子干涉效应，将电子对波函数代入在磁场中运动的几率流密度公式，得到在D。
This paper deals with the effectiveness of H-HA models, D-H models and maximum density-D models of Chinese fir and Masson pine, making use of computerized simulation tests.
用计算机模拟试验的方法，对杉木和马尾松平均树高、平均胸径及最大密度的数学模型的预报有效性进行检验。
When the beam is. focused to a small spot, its power density is. rais. d to produce sufficient heat to vaporize any material.
当光束在一个小点上聚焦时，其功率强度得以提高，并产生足够的热量来汽化任何材料。
Mathematic models between yield and N fertilizer and plant density for two peanut variety types were set up by using quadratic saturation D-optimization design under single-seed planting.
采用二次饱和D—最优设计建立了精播条件下不同类型花生品种N肥用量和密度与产量的数学模型，探讨肥料与密度的产量效应及优化配置。
Vitamin D is also essential for bone health, so vegans who get the amount of Vitamin D and calcium recommended by the Institute of Medicine should have no issue with bone density.
另外，为了吸收钙质维生素D是必需的。摄取足够维生素D和钙质的纯素食者应该不会有什么身体问题。
After analysing manifold color clustering methods, we present two unsupervised methods based on 2-d chroma plane, i. e, the density-based triangulation method and the GA-based optimization method.
在分析了多种颜色聚类方法的基础上，提出了2种无监督的二维色度平面颜色聚类方法：基于密度的三角化方法和遗传算法优化方法，并通过实验对2种方法进行了比对分析。
Based on the basic principle of 3-d and colour display, some attempts to the colour display by density separation and three primary colour composition are introduced.
本文根据三维显示和彩色显示的基本原理和特点，介绍了利用密度分割和三基色合成方法进行彩色显示的各种尝试。
A 2-d finite element model of tire-rubber was established to simulate the crack growth of the sample under simple tension, by using the strain energy density parameter.
建立了二维轮胎橡胶材料的有限元模型，用应变能密度这个参数模拟了试样承受单向拉伸时裂纹的扩展方向。
In this paper a ct algorithm of recovering time-dependent 3-d ionospheric electron density distributions by using GPS observations is suggested.
提出了利用GPS观测数据获得时变三维电离层电子密度分布的一种CT反演算法。
The 1-d combustion wave can not be formed in the bed with low loading density.
在低的装填密度下，药床中未形成一维燃烧波。
The Ring-opening polymerization(ROP) of D-lactide(D-LA) catalyzed by bifunctional thiourea catalyst has been studied by performing density functional theory calculations at the B3LYP/6-31G(d) level.
用密度泛函理论在B3LYP/6-31G（d）水平上研究了双官能团硫脲催化丙交酯开环聚合反应的微观机理。
The3- D Vector and Pattern of Electromagnetic Field and Power Density on a Sphere from an Array of Time Harmonic Current.
弦变线电流阵列在球面上电磁场及功率密度流之时变向量与三维场形。
The3- D Vector and Pattern of Electromagnetic Field and Power Density on a Sphere from an Array of Time Harmonic Current.
弦变线电流阵列在球面上电磁场及功率密度流之时变向量与三维场形。
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