environmentally harmful chemical substances,

A chemical reaction is a transformation of some substances into one or more different substances.

Inability to import various chemical substances such as pesticides and rare elements.

Purification in a chemical context is the physical separation of a chemical substance of interest from foreign or contaminating substances.

But Folkman persevered, and eventually he proved that such chemical substances do exist.

Banked ozone depleting substances are defined in the report to include substances that have been produced but not yet released to the atmosphere, including CFCs stored in existing equipment as a pure chemical and distributed within the cells of foams.

Banked ozone depleting substances were defined in the report to include substances that had been produced but not yet released to the atmosphere, including chlorofluorocarbons (CFCs) stored in existing equipment as a pure chemical and distributed within the cells of foams.

selected environmentally harmful chemical substances, processes and phenomena of global significance 21 May 1993 44

This includes chemical biological, nuclear, or hazardous substances, which can be used as weapons of mass destruction.

Together with other like minded countries we are already controlling exports of chemical weapons related substances and technology.

(b) To monitoring its existing system for licensing imports and exports of ozone depleting substances

The transport of chemical weapons is regulated by Article 22 of the Transport of Dangerous Substances Act of 1999.

are authorized for the transport of any liquid or solid substance other than explosives, thermally unstable substances, organic peroxides, self reactive substances, substances where significant pressure may develop by evolution of chemical reaction and radioactive material (unless permitted in 4.1.9).

Ion engines can make much more efficient use of propellant than existing chemical rockets.

The first was the 1923 textbook Thermodynamics and the Free Energy of Chemical Substances by Gilbert N. Lewis and Merle Randall.

A Poisons List under this Act, updated regularly, also includes chemical substances, which are used in pharmaceutical, manufacturing and agriculture industries.

The handling of substances that might be used for a nuclear, chemical or biological weapon requires a license from the Government.

By chemical terrorism, the Monitoring Team refers not only to the use of chemical military weapons, but also to the use of dual use equipment or improvised chemical dispersal devices to spread toxic materials, as well as attacks against chemical facilities to cause the release of such substances.

This and other experiments on the electrical properties of materials and on the electrical effects of chemical transformations demonstrated Priestley's early and ongoing interest in the relationship between chemical substances and electricity.

The activities on the prevention of illicit trafficking in chemical, biological, radiological and nuclear substances include the organization of two expert meetings and the preparation of two technical reports on existing national strategies in the Caucasus, Central Asia and Eastern Europe.

KEGG (Kyoto Encyclopedia of Genes and Genomes) is a collection of databases dealing with genomes, biological pathways, diseases, drugs, and chemical substances.

The Commission had contacted several United Nations bodies under whose portfolio nuclear and chemical substances fell, but had not yet received responses.

Proposals for an update of the list of selected environmentally harmful chemical substances, processes and phenomena of global significance (decision 17 15)

(b) To monitoring its existing system for licensing imports and exports of ozone depleting substances, which includes import quotas

In addition, we must recognize that the so called consumer countries are producers of drugs, illegal chemical substances and large quantities of marijuana.

The creation of monitoring and control systems to prevent diversion of precursors and chemical substances frequently used in the illicit manufacture of narcotic and psychotropic substances would be another important step in the process of establishing effective international control.

As a country with a well developed pharmaceutical and chemical industry, we are striving to prevent diversion of psychotropic substances and precursors into illegal channels. Our legislation on precursors, in effect since 1990, now covers all the 22 substances.

Indeed, scientists have not only identified some of the brain pathways that shape our ethical decisions, but also chemical substances that modulate this neural activity.

(a) The availability and cost of chemical substitutes and of alternative technologies to reduce the emissions of ozonemodifying substances and related planned and ongoing research

Certainly, this definition also includes children who are users and abusers of dangerous substances, which include not only drugs but also chemical inhalants of different sorts, such as solvents, adhesives and fuel gases and other substances subject to local abuse.

This has led to analysis of chemical characteristics of combinatorial chemistry products, compared to existing drugs or natural products.

Adherence to existing treaties on weapons of mass destruction (Nuclear Non Proliferation Treaty, Biological Weapons Convention, Chemical Weapons Convention)

69. New and additional financial resources are being used to support an international conference, convened by Sweden, on risk assessment and risk management of chemical substances.

A4.3.3.1 Substances

The IUPAC International Chemical Identifier (InChI or ) is a textual identifier for chemical substances, designed to provide a standard and human readable way to encode molecular information and to facilitate the search for such information in databases and on the web.

The assessment is carried out in accordance with the existing legal regulations, primarily based on organoleptic chemical and microbiological analyses.

At the same time, our decision to implement strict controls on exports of chemical substances, among others covered by existing legislation, together with the commitment of a number of Latin American countries through the Mendoza Accord of 1991, bear witness to our adherence to the purposes of the Convention.

The report concluded that progress had been made in the reduction of process agent related emissions through Executive Committee projects aimed at converting existing processes using ozone depleting substances to processes that do not use ozone depleting substances.

Our subregion is of the view that the Convention is an effective tool in the fight against the proliferation of chemical weapons and dual use substances and equipment.

Iraq also contends that Iran does not provide data demonstrating that exposure of the population to certain chemical substances could be linked to a risk of specific cancers.

Several States reported that their forensic laboratories had carried out chemical analyses of seized drugs in order to identify the substances, their origin and new methods of manufacture.

The Board also notes that slackening control over the main raw material used in cocaine manufacture coca leaves would not be in line with concerted international efforts to introduce controls over chemical substances frequently used in the illicit manufacture of narcotic drugs and psychotropic substances.

Sami abused substances.

Control of substances

Control of substances