hm(scuba)
hm()所属R语言包:scuba
Haldane Type Model
霍尔丹类型型号
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Creates a Haldane-type decompression model.
创建一个霍尔丹型减压模式。
用法----------Usage----------
hm(HalfT, M0=NULL, dM=NULL, ...,
N2 = list(HalfT=HalfT, M0=M0, dM=dM),
He = NULL,
title="user-defined model",
cnames=NULL,
mixrule="N2")
参数----------Arguments----------
参数:HalfT
Vector of nitrogen halftimes (in minutes) for each compartment.
向量的每个隔室的氮halftimes(以分钟计)。
参数:M0
Optional vector of surfacing M-values (in ata) of nitrogen for each compartment.
可选矢量堆焊M-值(阿拉木图)的每个隔室的氮气。
参数:dM
Optional vector of gradients for M-values (dimensionless) for each nitrogen compartment.
可选的M-值(无量纲)为每个氮气室的梯度矢量。
参数:...
Ignored.
忽略。
参数:N2
An alternative way of specifying all the data for Nitrogen. A list with elements labelled "HalfT", "M0" and "dM" giving the halftimes, surfacing M-values, and M-value gradients for each compartment.
另一种方法指定的所有数据的氮。列表的元素标记为"HalfT","M0"和"dM"给halftimes,表面M-值,M值梯度每个舱。
参数:He
Data for Helium, if available. A list with elements labelled "HalfT", "M0" and "dM" giving the Helium halftimes, surfacing M-values, and M-value gradients for each compartment.
数据氦气,如果有的话。列表,标注"HalfT","M0"和"dM"给予的氦halftimes,堆焊M-值,M值梯度每个舱。
参数:title
Optional name of model. A character string.
可选的车型名称。一个字符串。
参数:cnames
Optional names of compartments. A vector of character strings.
可选名称的区间。一个字符串向量。
参数:mixrule
Mixing rule for M-values.
M-值的混合规则。
Details
详细信息----------Details----------
This function creates an object of class "hm", which represents a Haldane-type decompression model. Objects of this class are needed by the commands ndl, haldane and others.
这个函数创建一个对象类"hm",这是一个霍尔丹型的减压模式。这个类的对象的命令ndl,haldane和其他所需要的。
A Haldane-type decompression model describes the diver's body as a set of independent compartments connected directly to the breathing gas and governed by classical diffusion.
一个霍尔丹型的的减压模型描述潜水员的身体作为一组独立的舱室直接连接到呼吸气体和受古典扩散。
The argument halfT specifies the half-times of the nitrogen compartments, in minutes. The length of halfT implicitly determines the number of nitrogen compartments.
的参数halfT指定的氮车厢半时间,以分钟为单位。的长度halfT隐式确定的数目的氮舱室。
The argument M0, if present, specifies the surfacing M-values for the nitrogen compartments. These are the maximum values of nitrogen tissue tension that are tolerated at the surface. These values are required in order to plan a no-decompression dive.
参数M0,如果存在,则指定的堆焊的M-值的氮车厢。这些氮组织张力的耐受性的表面处的最大值。这些值是必需的,以规划不减压潜水。
The argument dM, if present, specifies the rate of increase in nitrogen M-values with pressure. The maximum nitrogen tissue tension tolerated at a pressure P atmospheres is M0 + (P-1) * dM. These values are required in order to plan a decompression dive.
参数dM,如果存在的话,指定氮气压力与M-值增加的速度。最大的氮组织张力的耐受性压力P的气氛是M0 + (P-1) * dM。这些值是必需的,以规划的减压潜水。
Optionally the model may also allow calculation with Helium diffusion. In that case, the argument He should be a list, with components halfT, M0 and dM, specifying the Helium halftimes, maximum surfacing Helium tensions, and Helium gradients, respectively.
可选的模式也可以让计算与氦的扩散。在这种情况下,参数He应该是一个列表,使用组件halfT,M0和dM,指定的氦halftimes的,最大堆焊氦紧张局势,和氦梯度的,分别。
The class "hm" has methods for print and as.data.frame.
类"hm"有方法print和as.data.frame。
值----------Value----------
An object of class "hm", representing the decompression model.
对象的类"hm",减压模型。
(作者)----------Author(s)----------
Adrian Baddeley
<a href="mailto:Adrian.Baddeley@csiro.au">Adrian.Baddeley@csiro.au</a>
<a href="http://www.maths.uwa.edu.au/~adrian/">http://www.maths.uwa.edu.au/~adrian/</a>
参考文献----------References----------
Undersea and Hyperbaric Medicine Society, Kensington, Maryland (USA). ISBN 0-930406-13-3.
The prevention of compressed air illness. Journal of Hygiene (London) 8, 342–443.
Bennett and Elliott's Physiology and Medicine of Diving. 5th Edition. Saunders. ISBN 0-7020-2571-2
Dekompression - Dekompressionskrankheit. Springer-Verlag.
Tauchmedizin. 5e Auflage. Springer-Verlag.
Decompression Theory. In Brubakk and Neuman (2003), Chapter 10.1, pages 419-454.
Basic diving physics and applications. Best Publishing Co.
for nitrogen-oxygen and helium-oxygen dives. Research Report 6-65. US Navy Experimental Diving Unit. Washington DC.
参见----------See Also----------
pickmodel for some standard models of Haldane type; ndl, haldane, showstates
pickmodel为一些霍尔丹类型的标准模型; ndl,haldane,showstates
实例----------Examples----------
hm(c(10,20,60), rep(2 * 0.79, 3))
hm(c(10,20,60), rep(2 * 0.79, 3), rep(2 * 0.79, 3))
hm(c(10,20,60), rep(2 * 0.79, 3), rep(2 * 0.79, 3),
He=list(HalfT=c(5,10,30), M0=c(1,1,1), dM=c(1,1,1)))
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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