Nowadays, more than 80% of the world population is depending on medicinal plants based medicines to satisfy their healthcare needs. Medicinal plants have served as valuable starting materials for drug development. The general objective of the present work was to exploit the strong experience, developed since the antiquity on medicinal plants uses in Cameroon, for their future valorization by the scientific community. The accustomed medicinal plants are species known by traditional healers for the treatment of given diseases. The species which successfully treats or relieved patients are known to be convinced medicinal plants. Those known as suspected medicinal plants are plants used to treat diseases indirectly from their signs, their symptoms or their complications.

We propose here a new theory of the cosmic evolution of the universe, giving its name as the "oscillating theory of the universe". In this theory we have an endless universe having different epochs in its continuing endless process, an epoch being equal to one complete oscillation starting from a big bang like event and undergoing through different phases until it arrives at a pseudo crunch to be followed by another big bang like event, of course, after a bounce. This moment of time is the end of an epoch and the beginning of another new epoch, which happens after a complete oscillation. In this oscillating theory the length of an epoch need not be equal to the length of another epoch. And interestingly, it is found that there exists the significance of negative time at some point during the cosmic evolution of the universe.

The study presented in this paper deals with an optimization control station keeping box manoeuvers for geostationary satellites equipped with electric propulsion. The station keeping box (SKBOX) represented the maximum permitted values of the excursion of the satellite in longitude and latitude. It can be represented as a pyramidal solid angle, whose vertex is at the centre of the earth, within which the satellite must remain at all times. In this work, the station keeping box is defined by the two half angles at the vertex, one within the plan of the equator (E-W width), and the other in the plan of the satellite meridian (N-S width). A number of different techniques are available for the numerical solution of the station keeping box problem. In this work we will consider the direct method for solution of continuous optimal control problem. Simulation results have demonstrated that the spacecraft can be tightly controlled within station keeping box.

Economic growth and social welfare have very important correlation with all countries. History has shown that some nations have fast economic growth but weak social welfare or vice versa. However, there are also economic developments that couple with very strong growth of social welfare. Therefore, the relationship between economic growth and social welfare is strategically economic - social issue for each country. Rhythmic handling the relationship between economic growth and social welfare is a very difficult problem for all countries. Thus, the study of economic growth and progress, social justice has always been one of the requirements and interests.

Over the years, finance has posed great challenge to government at all levels in Nigeria and this has translated into truncated efforts in infrastructure delivery. Today however, there is a paradigm shift from the conventional ways of delivering infrastructure to PPP. This study highlights the infrastructural facilities brought forth by the Lagos State government via PPP. Using qualitative method, information needed for the study was sourced from the Lagos State Public-Private Partnership Office, validated with personal observation. The study revealed that the Lagos State Government has been thriving in the embrace of PPP having procured infrastructure like Lekki-Ikoyi Link Bridge, Island Power, Alausa Power, Mainland Power, CG-EKO Ventures LLP, Akute Power Project, Lagos State Bus Rapid Transit scheme (BRT), Gbagada Renal & Cardiac Centre, amongst others. It is recommended that Lagos State government should not relent in bringing on board more of private investors to increasingly propel the delivery of infrastructural facilities. For other states in Nigeria yet to adopt PPP for infrastructure procurement, it is recommended that they do so without further delay. Also, developing countries the world over, that are yet to adopt PPP for infrastructure provision should take the bold step to embrace PPP.

Nowadays, English language is one of the most important languages in the world. It is spoken not only in English speaking countries, but also in other countries of the world. It is the official language of huge countries. However, it has several variations. So, sometimes it causes difficulties for linguists, interpreters and other researches. In linguistics, dialect is the language that is used in certain area. Even when two people speak the same language, they may not speak it in the same way. In linguistics, we use the terms dialect and variety to describe the particularities of the speech of any regional or social group. Although all speech (and all language) belongs to one variety or another, the speech of the dominant class is popularly referred to as the standard and the speech of minority groups are labeled as dialects. Knowing the history of the different varieties of a language can tell us a lot about the history of a language, a region, and a people. English language is not only the language of 300 million people who live in America, it is also the native language of England, Canada, New Zealand and so on. The main thought of linguists about the variations of English is as following. Despite that the English is the official language of the countries above, there are several ethnic groups who live in these countries. They have their own language and dialects. And such difference forms this or another variation of English language. This article deals with the social and regional variations of English language. The main purpose of the research paper is to classify all the regional dialects and social variations of English language in different regions.

Women contain half of the total population of Bangladesh and as in the situation in most developing countries or lower middle income countries are reflected the less important sex, getting discriminatory action in the household and workstation. Though, the position and influence of women have enhanced radically as Grameen Bank unlocked its doors before thirty years. In spite of some critics, the vast mainstream of scholars comes to the decision that microcredit loans stimulated poor women and considerably improved their self-respect and confidence, and in this manner, they are empowered. Not only have Bangladeshi women achieved an upper position in the society because of microcredit, then besides the Bangladesh’s financial condition has aided from the attachment of so many other people and businesses into the national economy.

Health monitoring, nowadays become very crucial to tackle huge populations health hazards as technological development is ever upbringing that gives opportunity to help people catering for many health risks in easy way. Nowadays health monitoring is a very crucial research field to address huge population health hazards in effective ways using technologies because availability of human health care personnel are inadequate and costly. Accidental fall is one of the common health risk which leads to severe health injuries, even some cases results in death especially for elderly people (> 65 years old). With the help of wearable sensor system (WSS) many fall detection studies take place to minimize the health injuries; however the studies cannot provide expected efficient result. In this study we have proposed a novel technique to identify successfully fall detection and avoid misclassification using accelerometer and ECG sensors. Analyzing both critical physical movement and mental stress, which are evaluated from the signals of accelerometer and ECG sensors respectively, fall detection process can be greatly enhanced.

This study has focused particularly on assessing the loan repayment performance of female headed households on Oromiya Credit and Saving Share Company (OCSSCO) of Jimma Zone Ethiopia. Primary data were collected from 205 female headed households in the study area. With the help of Logit model the study found that family size of the household, health status of the respondent, loan diversion, time of loan application and distance from credit source variables are statistically significant and negatively affect the loan repayment performance of borrowers. While, the age of the borrower, education level of the respondent, experience of the borrower, celebrating of social ceremony, monthly expenditure, application of machinery, installment period and loan seize variables are statistically insignificant in affecting the loan repayment performance of borrowers however their sign was positive.

Wireless sensor network comprises of a set of sensor nodes that communicate among each other using wireless links and work in an open and distributed manner due to which wireless sensor networks are highly prone to attacks. This is difficult to determine the position of the sensor nodes; therefore the sensor network protocols must inculcate self-organizing competence. Location awareness is one of the important concern in WSN because for a network mostly data collection is grounded on location, so this is imperative for all the nodes to know their position whenever it is required and it is also helpful in calculating the distance between two particular nodes to deal with energy consumption issues. This paper focuses on the three location based routing multicast protocols: HGMR, HRMP, GMR and their comparison is done on the basis of different metrics like latency, PDP, encoding overhead etc.