危险代码是许多国家提供的化学品数据表含有标志某种“危险信息”的代码，比如 R23、R45 等。 R1 干燥时易爆。 R2 遇到震动、摩擦、火焰或者其它引燃物有爆炸危险。 R3 遇到震动、摩擦、 …

2014年10月27日 · For R40 it’s 45% minimum open space (or 55% maximum site coverage). Site cover refers to the proportion of your lot with roofed areas. An alfresco or porch under the roof can, however, be considered an open area.

An R Code of R25 means that an average of 350 sqm is required per dwelling. The table below is a guide as to how many dwellings could potentially be developed on a lot coded R25:

Chemical data sheets available in many countries now contain codes for certain "risk phrases", shown as R23, R45 etc. These risk phrase codes have the following meanings: Explosive when dry. 干燥时易爆。 Risk of explosion by shock, friction, fire or other source of ignition. 受冲击、摩擦、着火或其他引燃源有爆炸危险。

R25 prepares the root canal to a diameter of 0.25 mm with a taper of .08 over the first apical millimeters. For medium canals: R40 prepares the root canal to a diameter of 0.40 mm with a taper of .06 over the first apical millimeters.

许多国家提供的化学品数据表含有标志某种“危险信息”的代码，比如R23、R45 等。 这些危险信息代码告诉使用者如何取用和存放这些 化学试剂。 危险性描述是一个集合概念，一种化学品可以含有多个危险性描述 [1]。 与危险性描述相关的还有安全性描述。 这些代码都只有一个数字标识，表示一种独立的危险性。 Explosive when dry. 干燥 时有爆炸性。 Risk of explosion by shock, friction, fire or other sources of ignition. 受 冲击 、 摩擦 、 着火 或其他引燃源有爆炸危险。

许多国家提供的化学品数据表含有标志某种“危险信息”的代码，比如R23、R45 等。 这些危险信息代码有以下意义： R13： 极端易燃的液化气体。 R18： 使用时可能生成易燃易爆的蒸汽-空气混合物。 R19： 可能生成易爆的过氧化物质。 R20： 吸入有害。 R21： 与皮肤接触有害。 R22： 吞咽有害。 R23： 吸入有毒。 R24： 与皮肤接触有毒。 R25： 吞咽有毒。 R26： 吸入极毒。 R27： 与皮肤接触极毒。 R28： 吞咽极毒。 R29： 遇水释放出有毒气体。 R30： 使用时可能 …

2016年7月29日 · BR and R-shaped bulbs are directional light bulbs which focus their light outward. The most common uses for both shapes are flood lights, track lighting, or recessed lighting. R shaped bulbs caparison, including R16, R20, R30, and R40 light bulbs.

2024年7月19日 · Retaining Planning Bulletin 112/2016 R-MD provisions for R25 – R40. The titles of Parts B and C will not refer to ‘Low’ or ‘Medium’ density. To maintain opportunities for greater housing diversity, the amendments: maintain incentives for Small Dwellings and Accessible Dwellings in R30+ coded areas;

The requirements set out in the new policy apply to residential apartments (multiple dwellings) in areas coded R40 and above, within mixed-use development and activity centres. Developers with plans approved before the change came into effect will be …