UoT-UWF-PartAI at SemEval-2021 Task 5: Self Attention Based Bi-GRU with Multi-Embedding Representation for Toxicity Highlighter

Toxic Spans Detection(TSD) task is defined as highlighting spans that make a text toxic. Many works have been done to classify a given comment or document as toxic or non-toxic. However, none of those proposed models work at the token level. In this paper, we propose a self-attention-based bidirectional gated recurrent unit(BiGRU) with a multi-embedding representation of the tokens. Our proposed model enriches the representation by a combination of GPT-2, GloVe, and RoBERTa embeddings, which led to promising results. Experimental results show that our proposed approach is very effective in detecting span tokens.

Toxicity of Pruning Residue Ash for Apple, Grape and Olive Against Cowpea Seed Beetle Callosobruchus maculatus (F.) under Laboratory Conditions

Ash toxicity of burning pruning residues of three plant species i.e. apple, grape and olive was tested against adults of cowpea seed beetle Callosobruchus maculatus (F.) (Coleoptera, Bruchidae) using the following concentrations: (5, 10, 20, 40 and 80) g/kg of cowpea seed. The study was carried out in incubator at fixed temperature and humidity at Biotechnology Research Center, Al-baath University. Readings were taken after (24, 48 and 72) h of treatment, and corrected mortality rates were calculated and values of LC50, LC90, LT50 and LT90.

The Quantitative Determination of Caffeine in Energy Drinks in the Syrian Market and the Detection of Alcohol in them

The aim of this study is to determine the concentration of caffeine in energy drinks available in Syrian market to ensure whether the caffeine concentration in them follow the FDA recommendation or not , and detection the presence of alcohols . Three types of energy drinks available in Syria are studied in this experiment. Caffeine content is analyzed and quantified by UV spectroscopy. Specific tests for alcohol hydroxyl are used to detect its presence and determine the alcohols type. This study has shown the existence of variable quantities of caffeine; however the highest percentage is existed in Marinas Turbo 51.81 micro gram/100 ml and the lowest percentage is existed in XXX L Flash Red 1.89 micro gram/100 ml. Research has shown that energy drinks have negative effects on their users , especially the youth.A survey is done on a sample of 130 people in Alqadmous – Tartous. No alcohol is found in XXX L Flash Red and Power Horse, but it was found in Marinas Turbo.

Studies of Completely Effect Between Liquid of Soap and Predatory Mite Phytoseiulus persimilis A-H for Integrate Controlling the Two-Spotted Spider Mite Tetranychus urticae K

In this experiment, liquid of soap at three dosages (3, 5 and 7 ml/L) and Abamectin (12.5 ml/100L) has been used with releas of the mite predator, Phytoseiulus persimilis for controlling the two-spotted spider mite, Tetranychus urticae on bean plants under laboratory conditions. Contact toxicity of soap liquid and Abamectin were evaluated and classified according to IOBC. Efficacy of soap liquid at 3 and 5 ml/L was not sufficient to repress spider mite populations while the using of soap liquid at three concentration with predatory mite showed supporter effect and provide satisfactory control whereas soap liquid determined to be slightly harmful- moderately to P. persimilis. Abamectin with predatory mite or if used only gave sufficient control to spider mite population but without supporter effect between Abamectin and predatory mite whereas Abamectin determined to be harmful to P. persimilis. However, using soap at suitable dosage, with or without predatory mite, gave encouraging results for controlling spider mites. Generally, using of soap showed adaptation with predatory mite and proved supporter effect for controlling the spider mites. In despite of, soap showed no phytotoxicity to host plants but needs to be tested in greenhouse and field conditions before application.

The effect of increasing doses of Methotrexate (Folate Antagonist) on sperm production in male Mouse

Increasing intramuscular doses of Methotrexate (25 mg / kg, 50 mg / kg, 100 mg / kg, 150 mg/ kg, 200 mg / kg, 250 mg / kg, 300 mg / kg) were tested on Swiss strain Mouse by intramuscular injection. The reproductive potency was evaluated by total sperm count and movement of the left testis and it's epididymis (15) days after injection. The weights of the latter of all tested animals were registered. The result indicate that Methotrexate, a Folate antagonist, is a negative factor for sperm production in a dose related manner. It was evident that the high doses (ex. Dose 200 mg / kg) lead to oligospermia. It was concluded that Methotrexate inhibits the reproductive potency during spermatogenesis and causes cytotoxicity in high doses. Further investigations are needed.