The marine environmental incident has seriously affected the material and spiritual life of people in Hai An commune, Hai Lang district, Quang Tri province. The incident that caused mining operations seemed to be completely stalled. Therefore, the study not only focuses on assessing the impact of the Formosa incident on physical and mental life, but also understand response solutions for fishing households to deal with the event. The research results show that the marine environmental incident has led many labourers in the fishing industry to be underemployed, out of work and reduced income significantly. At the same time, we also find response solutions to overcome difficult times due to this incident. More specifically, it is clear that no changes in livelihoods have occurred in this group. Most fishing households do not want to change their jobs but continue to maintain the old livelihood strategy.

This work presents the perception of the experimental approach by teachers of life and earth sciences in middle school. The results we have obtained show that this teaching practice is largely used to solve a problem and / or test a hypothesis. However, teachers mainly limit the experimental approach to experimentation, while overlooking the other stages of the OHERIC. Moreover, these teachers raised issues in implementing this method, in particular the development of hypotheses by the learners as well as their lack of critical thinking.

According to the Unesco (2010), the central objective of the education is to make so that the children acquire the expertises that will determine their odds in life. For that to make, they must master the objectives assigned to their formation. Often, such is not the case, especially for the DR Congo, where the trainings of fundamental notions pose problems.The present article examines the reasons of the school failures in sixth primary year in the city of Isiro, while resorting to the opinions of the 410 parents of pupils.At the end of this gait, it suits to mention that the responsibility of the failures of the pupils is shared between the pupil himself, the parents/families and the school/teachers.

Teaching and evaluating English as a Foreign Language (EFL) are challenging ventures. Teachers of English as a Foreign Language must constantly adapt to their students’ needs. In many ways, this means to select various subjects for the learning process. Evaluation is that step of the process at which the teacher examines the value of his/her learning material in order draw to conclusions that it is success or failure. In the case of this study, an accent is put on the evaluation of the acquisition of the present perfect and the present perfect continuous tenses by 94 form four pupils selected in 3 schools of Walungu District in South Kivu DRC. To achieve the research, a questionnaire was submitted to those learners to assess them on the basis of a written exercise and then define together what happens so that they fail. At the end, it has been noticed that a number of causes at the origin of the poor mastery of these English Language include the lack of background knowledge of the Conjugation at the above-mentioned tenses of English verbs, and the late exposure to the language in their respective schools. That has led to suggesting helpful measures to decision makers of the DR Congo in a bid to improve the learning of this second language.

In Côte d'Ivoire, the savannah plum (Vitex doniana) is a woody and wild wood resource whose fruits are highly valued by local people. They are either consumed fresh or traditionally processed into alcoholic or non-alcoholic drinks. This work aims at the promotion of black plum of Côte d’Ivoire through not only the evaluation of the aptitude for its transformation into nectars; but also to highlight the impact of the transformation process on the nutritional quality of nectars derived from this black plum. The fruits used to make the nectars were harvested in three (3) regions in the north of Côte d'Ivoire. Two (2) techniques for developing ripe black plum nectars were used: a traditional (artisanal) process and the other semi-mechanized (tangential microfiltration: MFT). The biochemical composition of each nectar produced was then determined using conventional biochemical analysis methods. The results indicate that the drinks obtained are rich in bioactive compounds: vitamin C (11.13 ± 0.15 and 14.34 ± 0.01 mg / 100 mL) and phenolic compounds including total polyphenols (190.00 ± 0, 01 and 206.67 ± 0.01 mg Eq GA / 100 mL) and total flavonoids (156.67 ± 0.01 and 185.36 ± 0.20 mg QE / 100 mL). They also contain significant amounts of minerals: calcium (89.63 ± 6.13 and 295, 17 ± 21.81 mg / 100 mL), potassium (109.92 ± 11.02 and 3,598.33 ± 16.24 mg / 100 mL) and magnesium (53.05 ± 5.46 and 388.97 ± 60.60 mg / 100 mL). However, the content of nectars in biochemical compounds remains linked to the transformation process used. The grinding and the use of heat in the traditional transformation process leads to a good diffusion of the pulp compounds in the nectar.

As for hybridization, the Violet forms were more compatible with the foreign varieties Roma and Makis than the Red forms. The local varieties were also compatible among themselves. The success rate of crossing was on average 50%.The genetic disjunctive generation analysis F2 shows that all characters with discontinuous variation (qualitative: color and shape of the fruit) follow a simple Mendelian genetic determinism. Moreover, heritability (in the broad sense) of some quantitative characters (size, number of flowers, number of fruits and weight of fruits) by the variance decomposition method can reach relatively high values (0.8 to 0.95) for some groups of crossings. The same holds good for heritability in the restricted sense (0.56 to 0.98) for some characters and groups.

Subcapsular hepatic haematoma is a rare complication of preeclampsia occurring mainly in the context of HELLP syndrome, it is associated with a high mortality or morbidity rate. An early diagnosis before the break point of the hematoma and a multidisciplinary proper care is mandatory.We report one case of cracked subcapsular hematoma liver collected at the Hospital of Maternity Souissi Rabat, with a favourable evolution that was observed after surgical management limited to hepatic packing and transfusion.

Ovarian vein thrombophlebitis is a rare complication that must be evoked and sought, Paticularly in front of the persistance of a febrile abdomonal pain syndrome, before childbirth, postpartum and also in postabortum.The imaging means, we currently have, especially the doppler echo, computed tomography (TDM) and magnetic reasoning imagin (IRM) allow us to make this diagnosis and choose the most suitable treatment.

This study aims to know the extent of the effects of the US dollar exchange rate on world oil prices, this was done through a standard study in which we used the auto regression methodology for the distributed time gaps applied to annual time series the exchange rate of the us dollar against the euro and changes in oil prices from 2000 to 2018.The study found a long-term inverse relationship between the US dollar exchange rate and oil prices, Which means that oil prices in international markets are affected in the long run by exchange rate changes, and since this relationship is inverse and significant, in the long run, oil prices rise in international markets during periods in which the value of the US dollar falls against the euro, and for the short run, there is an inverse and non-significant relationship between the variables.

The present research is devoted to the study of the socio-economic valuation of the development of the hydro-agricultural site of the Tchakalakou water reservoir in the Commune of Toucountouna. The data used is obtained through desk research and field surveys. The yield and production cost of the activities carried out on the agricultural site of Tchakalakou and those collected from the farmers of the district made it possible to process the data collected from the heads of households and local authorities in order to analyze the results obtained.Analysis of the results of our investigations indicate that the hydro-agricultural site of Tchakalakou is favorable to the production of all crops in all seasons. Unfortunately farmers do not attach importance to activities on the site where the relaxation of agricultural and fishing activities in recent years. Over the entire area of the irrigation area, only 23.7 % of rice production and 33.8 % of market garden produce are produced in the rainy season. Two land acquisition modes dominated the study environment. Inheritance (48.6 %) and 37.1 % for donation.