Using the gradient Tool (g) with a Black to 0% opacity gradient, click and drag a gradient from the bottom up into the planet for the bottom and from the top down for the top of the planet.
使用渐变工具，设置黑色到0%不透明的渐变，从画布底部向上点击拖拉渐变到行星位置，然后，从画布顶部点击拖拉渐变到行星顶端。
Now in a new layer above the watercolor layer, and drawing straight up, make a Linear Gradient going from black to transparency so that afterwards your canvas basically fades to black down the bottom.
现在在水彩图层之上再新建一个图层，然后从下至上从黑色到透明做线性递减绘制，这样基本上整个画布到底部就褪化为黑色了。
"We've [also] got an indication that we can pump protons across the membrane" to set up a proton gradient, says Cronin - another key stage in harnessing energy from light.
克罗宁称，我们可以抽吸质子分布在细胞膜上，来设置形成一个质子坡度。
This sets up a chemical concentration gradient that tells stem cells how and where to develop.
形成化学浓度梯度，告诉干细胞如何以及向哪儿发育。
Based on building up a model of echo canceller, the convergence of gradient-type stochastic adjustment algorithm of an adaptive filter under the mean-squared error criterion is discussed.
在建立回波抵消器模型的基础上，按最小均方误差准则，导出了自适应滤波器抽头的统计梯度算法和抽头调节的收敛公式。
Pulllower right corner up. Add Gradient Overlay.
拉右下角了。添加渐变叠加。
The ionospheric up flowing ion mainly distributes in the near geo space and its flux has a negative gradient versus geo center distance.
上行离子主要分布在近地空间，其通量密度相对于地心距离呈负梯度。
The results indicate that using pressure build-up steady state pressure survey approach to calculate starting pressure gradient has obvious advantages with simple method and is theoretically correct.
结果表明：压力恢复稳态测压法求解启动压力梯度理论正确，方法简单，具有明显的优点。
Describes briefly the working principle of the gradient system in MR imager, analyzes the specific gradient failure and sums up the troubleshooting of the imager.
简要介绍了磁共振成像仪梯度系统的工作原理，并对特定的梯度故障进行了判断、分析和处理。
When the aqueous solvent (solvent a) is cleaned up in terms of an on-line precolumn, the purity of the organic solvent (solvent b) can be tested according to the chromatogram of the blank gradient.
当含水溶剂通过预柱在线净化后，根据空白梯度色谱图可测试有机溶剂的纯度。
This article describes drainage design principle for planted roof, and puts forward that increasing drainage gradient of both roof and growing medium layer could speed up water discharge.
叙述了种植屋面的排水设计原则，提出可通过加大屋面排水坡度和种植介质表面排水坡度等措施，达到快速排放屋面积水的目的。
Now, click on the thumbnail of the current gradient, a gradient editing window should pop up.
现在，点击缩略图就当前的梯度，梯度编辑窗口应该流行起来。
With consideration of start up pressure gradient and media deformation, this paper studies vertical well production in low permeable reservoirs.
考虑启动压力梯度和介质变形的影响，研究低渗透油藏中直井产量的变化规律。
Many researches showed that, the coalescence is the main reason to speed up the movement of drops on the surface with gradient surface energy and separate from the surface in dropwise condensation.
已有的研究工作表明：液滴的聚合是加快梯度能表面材料表面上液滴运动和滴状凝结中液滴快速运动的主要原因。
The author attributes the phenomena to the stickiness in the economic gradient process and sets up simple stickiness model and grey clustering model to explain it.
本文认为其原因是我国区域在梯度推移过程中存在着粘性，并分别建立简单的粘性模型和灰色聚类粘性模型进行分析。
The relationship between environmental factors (climate and soil) and plant life form gradient was analysed by doub sieving progressive regression method, and mathematical models were set up.
并用双重筛选逐步回归的方法分析了环境(气候和土壤)因子与植物群落生活型谱梯度的关系，建立了相应的数学模型。
It is indicated that the main factors affecting low permeability gas reservoir are stress action, start-up pressure gradient, permeability, slippage effect, and water blocking effect etc.
结果表明影响低渗气藏的主要因素有应力作用、启动压力梯度、渗透率、滑脱效应、水锁效应等。
A large volume closed bomb was used to measure the burning rates of the UHBRP samples. The up curves of UHBRP of density gradient show the plateau combustion characteristics.
实验上采取密度梯度的方法制造药柱，用大容量密闭爆发器测定了密度梯度药柱的燃速，得到了几乎平台型的燃速压力曲线。
The characters of microhabitats are up the slope and small gradient.
微栖息地的主要特征是坡上位、坡度小、郁闭度较高；
Create a linear gradient using the gradient Tool (g) set to white and transparent. Then drag and drop from up to down to achieve something similar to below.
创建一个图层，使用渐变工具(G)设置为白色和透明的线性渐变。然后从填充，就像下面一样。
Tests of flow pattern showed that the spiral up-flow character of the SUFR make it be similar to plug-flow-reactor, and it is favourable to form gradient distributing of the organism matter.
流态试验表明SUFR反应器的螺旋流动特征使其接近于推流式反应器，有利于在空间上形成有机物的梯度分布。
The method can be used to calculate the the end time of effect of wellbore storage with start-up pressure gradient considered.
该方法可用于考虑启动压力梯度影响的低渗透气藏气井井筒储集效应结束时间的计算。
Click and hold on the Gradient Tool to bring up the Contextual Menu. Pickthe Paint Bucket Tool. Ensure your "Foreground Color" is Black.
点击并保持渐变工具以调出上下文选项单。选取画桶工具。确保你的前景颜色为黑色。
The results showed that mobility and start-up pressure gradient are the main reasons of non-linear seepage flow effect.
结果表明流度与启动压力梯度是形成非线性渗流的主要因素。
Aim To resolve the influence of pressure gradient, liquid hold-up and mixture density of the different flow model on the design and operation of gas-lift well in oil recovery.
目的解决深井气举采油过程中不同流动型态的压力梯度、持液率、混合物密度对气举井设计和运行影响的问题。
The gradient decent learning with momentum is introduced, and analysis is described why it can speed up learning speed. Further more, two experiments are presented to verify previous views.
提出了“惯性校正法”，对其能加速学习的原因进行了理论分析，并结合岩性分类和字母识别两个实验，对理论观点进行了验证。
The existence of start-up pressure gradient can make depressurization effect of pinnate horizontal multilateral well get worse, which promotes gas production reduced.
启动压力梯度的存在会使煤层中羽状水平井的降压效果变差，从而减少煤层气的产量。
I don't understand step 3b… how do you get that gradient box to come up?
我不明白的一步三号乙…你怎么得到的梯度方块来？
I don't understand step 3b… how do you get that gradient box to come up?
我不明白的一步三号乙…你怎么得到的梯度方块来？
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