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up vote 0 down vote favorite I use Xcode9 and MacOS Mojave ,I don't know why , the storyboard layout looks like alway Drift upward . but It is correct to run.but only looks drift in storyboard: can any one tell me why?and how to fix it? ios xcode user-interface layout share | improve this question asked Nov 11 at 13:41 Neko 124 1 11 That might be the bug in storyboard in Xcode 9, try to refresh it by zoom

This article may require cleanup to meet Wikipedia's quality standards. The specific problem is: General layout and markup, especially with respect to chemical formulas and equations Please help improve this article if you can. (February 2018) (Learn how and when to remove this template message) Alkali, or Alkaline, soils are clay soils with high pH (> 8.5), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at 0.5 to 1 metre depth. Alkali soils owe their unfavorable physico-chemical properties mainly to the dominating presence of sodium carbonate, which causes the soil to swell [1] and difficult to clarify/settle. They derive their name from the alkali metal group of elements, to which sodium belongs, and which can induce basicity. Sometimes these soils are also referred to as alkaline sodic soils . Alkaline soils are basic, but not all basic soils are alkaline. Rice cultivation / paddyfield in alkali soils Con