hazard concentration limit

用法例句

The effects of HCl concentration and calcination temperature on microstructure and photocatalytic activity of TIN were investigated.

考察了酸洗HCl浓度及煅烧温度对TIN微结构及光催化活性的影响,以甲基橙为模型化合物对TIN的光催化活性进行了评价。

Application of high - purity hydrogen chloride-byproduct from potassium sulfate production in polyvinyl chloride production;

K_2SO_4装置副产高纯度HCl在PVC生产中的应用

It was identified by IR, MS, and IR-tracking that the main product of the reaction was 1,5-naphthalene diisocyanate (NDI), and the by-products were hydrogen chloride, 1,5-naphthalenediamine hydrochlorate and urea.

采用红外光谱、质谱和红外跟踪等分析方法, 确定了反应主产物为 NDI, 主要副产物为 HCl、NDA盐酸盐和脲。

The results of the study show that the reaction rate of HF and quarz sand is in proportion to the secondary power of HF concentration, but has nothing to do with HCI c.

实验结果证明 :HF在石英上的反应速率与 HCl的浓度无关 ,与 HF浓度成二次方关系 ;酸化流动模拟试验中流速对酸化效果是有影响的 ,高流速下的酸化可解除储层深部的伤害 ,在砂岩基质酸化的施工工艺上建议采用“最大排量压差法”。

Study on the way of determinins the content of HCl in mixture solution of HCl-FeCl_3;

HCl-FeCl_3混合液中HCl含量测定方法的探讨

a colorless corrosive gas: HCl.

一种无色的腐蚀性气体：HCl。

Photodissociation of HCl Using Time-dependent Wavepacket Techniques;

含时波包法研究HCl分子的光解离截面

The Effection of CO_2 in HCl-NaOH Titration System;

CO_2对HCl-NaOH滴定体系的影响

Study on Extraction Kinetics of Pr(Ⅲ) with P_(204)-HCl-H_3AOH by the Method of Invariable Interface

P_(204)-HCl-H_3AOH萃取Pr(Ⅲ)的动力学实验研究

Study on New Method of Diesel Fuel Desulfurization With K_2Cr_2O_7/HCl

K_2Cr_2O_7/HCl氧化柴油脱硫新方法研究

The Study on Diesel Desulfurization Reaction Simulated by Ce(SO_4)_2-HCl System

Ce(SO_4)_2-HCl体系模拟柴油脱硫反应研究

Dihydrogen Bonds and Traditional H-Bonds of B_3N_3H_6 with HF,HCl or H_2O

B_3N_3H_6与HF、HCl和H_2O形成的氢键和双氢键

Single Sweep Oscillopolarography of Meloxicam in HCl Supporting Electrolyte;

美洛昔康在HCl底液中的单扫示波极谱法测定

The Emission of HCl During Co-pyrolysis of PVC and Coal by TG-FTIR

聚氯乙烯与煤混合共热解过程中HCl析出特征

Study on the potential energy function for the Ground state of HCl molecule by quantum chemistry methods

耦合簇方法对HCl分子基态势能函数的研究

Polyaniline/attapulgite conductive nanocomposites co-doped with HCl and TSA

HCl和TSA共掺杂聚苯胺/凹土纳米导电复合材料

Effects of Metal Oxides on the Release Characteristic of HCl from the Combustion of PVC

金属氧化物对聚氯乙烯热解释放HCl的影响研究

Adsorption and Corrosion Inhibition of Organic Dyes on the Surface of Steel in Hydrochloric Acid Solution

HCl中有机染料在钢表面的吸附及缓蚀作用

Study on elementary reaction CrOCl_2+OH→CrO_2Cl+HCl in chromium waste incineration

含铬废物焚烧中CrOCl_2+OH→CrO_2Cl+HCl基元反应研究

Study on Impact Factor of Low-temperature Corrosion Inhibitor in H_2S-HCl-H_2O Environment

H_2S-HCl-H_2O腐蚀体系中低温缓蚀剂的影响因素研究

Removing HCl in Cyclone Dust Collector with Limes as Absorbents Under Moderate to High Temperature

石灰在旋风收尘器内对HCl气体的中高温净化

Study on Determination of HF,HCl,H_3PO_4 and H_2SO_4 in Air Simultaneously by Ion Chromatographic

离子色谱法同时测定空气中HF、HCl、H_3PO_4和H_2SO_4的研究